ID	Title	Difficulty	Note	Java	Python	Ruby	JavaScript	C++
001	Two Sum	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/001. Two Sum/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/001. Two Sum/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/001. Two Sum/Solution.rb)	[JavaScript](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/001. Two Sum/Solution.js)	no
002	Add Two Numbers	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/002. Add Two Numbers/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/002. Add Two Numbers/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/002. Add Two Numbers/Solution.rb)	[JavaScript](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/002. Add Two Numbers/Solution.js)	no
003	Longest Substring Without Repeating Characters	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/003. Longest Substring Without Repeating Characters/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/003. Longest Substring Without Repeating Characters/Solution.py)	no	no	no
004	Median of Two Sorted Arrays	Hard	noNote	no	no	no	no	no
005	Longest Palindromic Substring	Medium	noNote	no	no	no	no	no
006	ZigZag Conversion	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/006. ZigZag Conversion/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/006. ZigZag Conversion/Solution.py)	no	no	no
007	Reverse Integer	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/007. Reverse Integer/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/007. Reverse Integer/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/007. Reverse Integer/Solution.rb)	no	no
008	String to Integer (atoi)	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/008. String to Integer (atoi)/Solution.java)	no	no	no	no
009	Palindrome Number	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/009. Palindrome Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/009. Palindrome Number/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/009. Palindrome Number/Solution.rb)	no	no
010	Regular Expression Matching	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/010. Regular Expression Matching/Solution.java)	no	no	no	no
011	Container With Most Water	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/011. Container With Most Water/Solution.java)	no	no	no	no
012	Integer to Roman	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/012. Integer to Roman/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/012. Integer to Roman/Solution.py)	no	no	no
013	Roman to Integer	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/013. Roman to Integer/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/013. Roman to Integer/Solution.py)	no	no	no
014	Longest Common Prefix	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/014. Longest Common Prefix/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/014. Longest Common Prefix/Solution.py)	no	no	no
015	3Sum	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/015. 3Sum/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/015. 3Sum/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/015. 3Sum/Solution.rb)	[JavaScript](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/015. 3Sum/Solution.js)	no
016	3Sum Closest	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/016. 3Sum Closest/Solution.java)	no	no	no	no
017	Letter Combinations of a Phone Number	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/017. Letter Combinations of a Phone Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/017. Letter Combinations of a Phone Number/Solution.py)	no	no	no
018	4Sum	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/018. 4Sum/Solution.java)	no	no	no	no
019	Remove Nth Node From End of List	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/019. Remove Nth Node From End of List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/019. Remove Nth Node From End of List/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/019. Remove Nth Node From End of List/Solution.rb)	no	no
020	Valid Parentheses	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/020. Valid Parentheses/Solution.java)	no	no	no	no
021	Merge Two Sorted Lists	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/021. Merge Two Sorted Lists/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/021. Merge Two Sorted Lists/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/021. Merge Two Sorted Lists/Solution.rb)	no	no
022	Generate Parentheses	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/022. Generate Parentheses/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/022. Generate Parentheses/Solution.py)	no	no	no
023	Merge k Sorted Lists	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/023. Merge k Sorted Lists/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/023. Merge k Sorted Lists/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/023. Merge k Sorted Lists/Solution.rb)	no	no
024	Swap Nodes in Pairs	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/024. Swap Nodes in Pairs/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/024. Swap Nodes in Pairs/Solution.py)	no	no	no
025	Reverse Nodes in k-Group	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/025. Reverse Nodes in k-Group/Solution.java)	no	no	no	no
026	Remove Duplicates from Sorted Array	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/026. Remove Duplicates from Sorted Array/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/026. Remove Duplicates from Sorted Array/Solution.py)	no	no	no
027	Remove Element	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/027. Remove Element/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/027. Remove Element/Solution.py)	no	no	no
028	Implement strStr()	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/028. Implement strStr()/Solution.java)	no	no	no	no
029	Divide Two Integers	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/029. Divide Two Integers/Solution.java)	no	no	no	no
030	Substring with Concatenation of All Words	Hard	noNote	no	no	no	no	no
031	Next Permutation	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/031. Next Permutation/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/031. Next Permutation/Solution.py)	no	no	no
032	Longest Valid Parentheses	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/032. Longest Valid Parentheses/Solution.java)	no	no	no	no
033	Search in Rotated Sorted Array	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/033. Search in Rotated Sorted Array/Solution.java)	no	no	no	no
034	Search for a Range	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/034. Search for a Range/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/034. Search for a Range/Solution.py)	no	no	no
035	Search Insert Position	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/035. Search Insert Position/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/035. Search Insert Position/Solution.py)	no	no	no
036	Valid Sudoku	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/036. Valid Sudoku/Solution.java)	no	no	no	no
037	Sudoku Solver	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/037. Sudoku Solver/Solution.java)	no	no	no	no
038	Count and Say	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/038. Count and Say/Solution.java)	no	no	no	no
039	Combination Sum	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/039. Combination Sum/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/039. Combination Sum/Solution.py)	no	no	no
040	Combination Sum II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/040. Combination Sum II/Solution.java)	no	no	no	no
041	First Missing Positive	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/041. First Missing Positive/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/041. First Missing Positive/Solution.py)	no	no	no
042	Trapping Rain Water	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/042. Trapping Rain Water/Solution.java)	no	no	no	no
043	Multiply Strings	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/043. Multiply Strings/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/043. Multiply Strings/Solution.py)	no	no	no
044	Wildcard Matching	Hard	noNote	no	no	no	no	no
045	Jump Game II	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/045. Jump Game II/Solution.java)	no	no	no	no
046	Permutations	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/046. Permutations/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/046. Permutations/Solution.py)	no	no	no
047	Permutations II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/047. Permutations II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/047. Permutations II/Solution.py)	no	no	no
048	Rotate Image	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/048. Rotate Image/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/048. Rotate Image/Solution.py)	no	no	no
049	Group Anagrams	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/049. Group Anagrams/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/049. Group Anagrams/Solution.py)	no	no	no
050	Pow(x, n)	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/050. Pow(x, n)/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/050. Pow(x, n)/Solution.py)	no	no	no
051	N-Queens	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/051. N-Queens/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/051. N-Queens/Solution.py)	no	no	no
052	N-Queens II	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/052. N-Queens II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/052. N-Queens II/Solution.py)	no	no	no
053	Maximum Subarray	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/053. Maximum Subarray/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/053. Maximum Subarray/Solution.py)	no	no	no
054	Spiral Matrix	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/054. Spiral Matrix/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/054. Spiral Matrix/Solution.py)	no	no	no
055	Jump Game	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/055. Jump Game/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/055. Jump Game/Solution.py)	no	[JavaScript](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/055. Jump Game/Solution.js)	no
056	Merge Intervals	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/056. Merge Intervals/Solution.java)	no	no	no	no
057	Insert Interval	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/057. Insert Interval/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/057. Insert Interval/Solution.py)	no	no	no
058	Length of Last Word	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/058. Length of Last Word/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/058. Length of Last Word/Solution.py)	no	no	no
059	Spiral Matrix II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/059. Spiral Matrix II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/059. Spiral Matrix II/Solution.py)	no	no	no
060	Permutation Sequence	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/060. Permutation Sequence/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/060. Permutation Sequence/Solution.py)	no	no	no
061	Rotate List	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/061. Rotate List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/061. Rotate List/Solution.py)	no	no	no
062	Unique Paths	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/062. Unique Paths/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/062. Unique Paths/Solution.py)	no	no	no
063	Unique Paths II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/063. Unique Paths II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/063. Unique Paths II/Solution.py)	no	no	no
064	Minimum Path Sum	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/064. Minimum Path Sum/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/064. Minimum Path Sum/Solution.py)	no	no	no
065	Valid Number	Hard	noNote	no	no	no	no	no
066	Plus One	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/066. Plus One/Solution.java)	no	no	no	no
067	Add Binary	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/067. Add Binary/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/067. Add Binary/Solution.py)	no	no	no
068	Text Justification	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/068. Text Justification/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/068. Text Justification/Solution.py)	no	no	no
069	Sqrt(x)	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/069. Sqrt(x)/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/069. Sqrt(x)/Solution.py)	no	no	no
070	Climbing Stairs	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/070. Climbing Stairs/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/070. Climbing Stairs/Solution.py)	no	no	no
071	Simplify Path	Medium	noNote	no	no	no	no	no
072	Edit Distance	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/072. Edit Distance/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/072. Edit Distance/Solution.py)	no	no	no
073	Set Matrix Zeroes	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/073. Set Matrix Zeroes/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/073. Set Matrix Zeroes/Solution.py)	no	no	no
074	Search a 2D Matrix	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/074. Search a 2D Matrix/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/074. Search a 2D Matrix/Solution.py)	no	no	no
075	Sort Colors	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/075. Sort Colors/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/075. Sort Colors/Solution.py)	no	no	no
076	Minimum Window Substring	Hard	noNote	no	no	no	no	no
077	Combinations	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/077. Combinations/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/077. Combinations/Solution.py)	no	no	no
078	Subsets	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/078. Subsets/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/078. Subsets/Solution.py)	no	no	no
079	Word Search	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/079. Word Search/Solution.java)	no	no	no	no
080	Remove Duplicates from Sorted Array II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/080. Remove Duplicates from Sorted Array II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/080. Remove Duplicates from Sorted Array II/Solution.py)	no	no	no
081	Search in Rotated Sorted Array II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/081. Search in Rotated Sorted Array II/Solution.java)	no	no	no	no
082	Remove Duplicates from Sorted List II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/082. Remove Duplicates from Sorted List II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/082. Remove Duplicates from Sorted List II/Solution.py)	no	no	no
083	Remove Duplicates from Sorted List	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/083. Remove Duplicates from Sorted List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/083. Remove Duplicates from Sorted List/Solution.py)	no	no	no
084	Largest Rectangle in Histogram	Hard	noNote	no	no	no	no	no
085	Maximal Rectangle	Hard	noNote	no	no	no	no	no
086	Partition List	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/086. Partition List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/086. Partition List/Solution.py)	no	no	no
087	Scramble String	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/087. Scramble String/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/087. Scramble String/Solution.py)	no	no	no
088	Merge Sorted Array	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/088. Merge Sorted Array/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/088. Merge Sorted Array/Solution.py)	no	no	no
089	Gray Code	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/089. Gray Code/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/089. Gray Code/Solution.py)	no	no	no
090	Subsets II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/090. Subsets II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/090. Subsets II/Solution.py)	no	no	no
091	Decode Ways	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/091. Decode Ways/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/091. Decode Ways/Solution.py)	no	no	no
092	Reverse Linked List II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/092. Reverse Linked List II/Solution.java)	no	no	no	no
093	Restore IP Addresses	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/093. Restore IP Addresses/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/093. Restore IP Addresses/Solution.py)	no	no	no
094	Binary Tree Inorder Traversal	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/094. Binary Tree Inorder Traversal/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/094. Binary Tree Inorder Traversal/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/094. Binary Tree Inorder Traversal/Solution.rb)	no	no
095	Unique Binary Search Trees II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/095. Unique Binary Search Trees II/Solution.java)	no	no	no	no
096	Unique Binary Search Trees	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/096. Unique Binary Search Trees/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/096. Unique Binary Search Trees/Solution.py)	no	no	no
097	Interleaving String	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/097. Interleaving String/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/097. Interleaving String/Solution.py)	no	no	no
098	Validate Binary Search Tree	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/098. Validate Binary Search Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/098. Validate Binary Search Tree/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/098. Validate Binary Search Tree/Solution.rb)	no	no
099	Recover Binary Search Tree	Hard	noNote	no	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/099. Recover Binary Search Tree/Solution.py)	no	no	no
100	Same Tree	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/100. Same Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/100. Same Tree/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/100. Same Tree/Solution.rb)	no	no
101	Symmetric Tree	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/101. Symmetric Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/101. Symmetric Tree/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/101. Symmetric Tree/Solution.rb)	no	no
102	Binary Tree Level Order Traversal	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/102. Binary Tree Level Order Traversal/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/102. Binary Tree Level Order Traversal/Solution.py)	no	no	no
103	Binary Tree Zigzag Level Order Traversal	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/103. Binary Tree Zigzag Level Order Traversal/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/103. Binary Tree Zigzag Level Order Traversal/Solution.py)	no	no	no
104	Maximum Depth of Binary Tree	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/104. Maximum Depth of Binary Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/104. Maximum Depth of Binary Tree/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/104. Maximum Depth of Binary Tree/Solution.rb)	no	no
105	Construct Binary Tree from Preorder and Inorder Traversal	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/105. Construct Binary Tree from Preorder and Inorder Traversal/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/105. Construct Binary Tree from Preorder and Inorder Traversal/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/105. Construct Binary Tree from Preorder and Inorder Traversal/Solution.rb)	no	no
106	Construct Binary Tree from Inorder and Postorder Traversal	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/106. Construct Binary Tree from Inorder and Postorder Traversal/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/106. Construct Binary Tree from Inorder and Postorder Traversal/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/106. Construct Binary Tree from Inorder and Postorder Traversal/Solution.rb)	no	no
107	Binary Tree Level Order Traversal II	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/107. Binary Tree Level Order Traversal II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/107. Binary Tree Level Order Traversal II/Solution.py)	no	no	no
108	Convert Sorted Array to Binary Search Tree	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/108. Convert Sorted Array to Binary Search Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/108. Convert Sorted Array to Binary Search Tree/Solution.py)	no	no	no
109	Convert Sorted List to Binary Search Tree	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/109. Convert Sorted List to Binary Search Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/109. Convert Sorted List to Binary Search Tree/Solution.py)	no	no	no
110	Balanced Binary Tree	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/110. Balanced Binary Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/110. Balanced Binary Tree/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/110. Balanced Binary Tree/Solution.rb)	no	no
111	Minimum Depth of Binary Tree	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/111. Minimum Depth of Binary Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/111. Minimum Depth of Binary Tree/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/111. Minimum Depth of Binary Tree/Solution.rb)	no	no
112	Path Sum	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/112. Path Sum/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/112. Path Sum/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/112. Path Sum/Solution.rb)	no	no
113	Path Sum II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/113. Path Sum II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/113. Path Sum II/Solution.py)	no	no	no
114	Flatten Binary Tree to Linked List	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/114. Flatten Binary Tree to Linked List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/114. Flatten Binary Tree to Linked List/Solution.py)	no	no	no
115	Distinct Subsequences	Hard	noNote	no	no	no	no	no
116	Populating Next Right Pointers in Each Node	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/116. Populating Next Right Pointers in Each Node/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/116. Populating Next Right Pointers in Each Node/Solution.py)	no	no	no
117	Populating Next Right Pointers in Each Node II	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/117. Populating Next Right Pointers in Each Node II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/117. Populating Next Right Pointers in Each Node II/Solution.py)	no	no	no
118	Pascal's Triangle	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/118. Pascal's Triangle/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/118. Pascal's Triangle/Solution.py)	no	no	no
119	Pascal's Triangle II	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/119. Pascal's Triangle II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/119. Pascal's Triangle II/Solution.py)	no	no	no
120	Triangle	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/120. Triangle/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/120. Triangle/Solution.py)	no	no	no
121	Best Time to Buy and Sell Stock	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/121. Best Time to Buy and Sell Stock/Solution.java)	no	no	no	no
122	Best Time to Buy and Sell Stock II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/122. Best Time to Buy and Sell Stock II/Solution.java)	no	no	no	no
123	Best Time to Buy and Sell Stock III	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/123. Best Time to Buy and Sell Stock III/Solution.java)	no	no	no	no
124	Binary Tree Maximum Path Sum	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/124. Binary Tree Maximum Path Sum/Solution.java)	no	no	no	no
125	Valid Palindrome	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/125. Valid Palindrome/Solution.java)	no	no	no	no
126	Word Ladder II	Hard	noNote	no	no	no	no	no
127	Word Ladder	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/127. Word Ladder/Solution.java)	no	no	no	no
128	Longest Consecutive Sequence	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/128. Longest Consecutive Sequence/Solution.java)	no	no	no	no
129	Sum Root to Leaf Numbers	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/129. Sum Root to Leaf Numbers/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/129. Sum Root to Leaf Numbers/Solution.py)	no	no	no
130	Surrounded Regions	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/130. Surrounded Regions/Solution.java)	no	no	no	no
131	Palindrome Partitioning	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/131. Palindrome Partitioning/Solution.java)	no	no	no	no
132	Palindrome Partitioning II	Hard	noNote	no	no	no	no	no
133	Clone Graph	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/133. Clone Graph/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/133. Clone Graph/Solution.py)	no	no	no
134	Gas Station	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/134. Gas Station/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/134. Gas Station/Solution.py)	no	no	no
135	Candy	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/135. Candy/Solution.java)	no	no	no	no
136	Single Number	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/136. Single Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/136. Single Number/Solution.py)	no	no	no
137	Single Number II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/137. Single Number II/Solution.java)	no	no	no	no
138	Copy List with Random Pointer	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/138. Copy List with Random Pointer/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/138. Copy List with Random Pointer/Solution.py)	no	no	no
139	Word Break	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/139. Word Break/Solution.java)	no	no	no	no
140	Word Break II	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/140. Word Break II/Solution.java)	no	no	no	no
141	Linked List Cycle	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/141. Linked List Cycle/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/141. Linked List Cycle/Solution.py)	no	no	no
142	Linked List Cycle II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/142. Linked List Cycle II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/142. Linked List Cycle II/Solution.py)	no	no	no
143	Reorder List	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/143. Reorder List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/143. Reorder List/Solution.py)	no	no	no
144	Binary Tree Preorder Traversal	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/144. Binary Tree Preorder Traversal/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/144. Binary Tree Preorder Traversal/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/144. Binary Tree Preorder Traversal/Solution.rb)	no	no
145	Binary Tree Postorder Traversal	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/145. Binary Tree Postorder Traversal/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/145. Binary Tree Postorder Traversal/Solution.py)	no	no	no
146	LRU Cache	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/146. LRU Cache/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/146. LRU Cache/Solution.py)	no	no	no
147	Insertion Sort List	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/147. Insertion Sort List/Solution.java)	no	no	no	no
148	Sort List	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/148. Sort List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/148. Sort List/Solution.py)	no	no	no
149	Max Points on a Line	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/149. Max Points on a Line/Solution.java)	no	no	no	no
150	Evaluate Reverse Polish Notation	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/150. Evaluate Reverse Polish Notation/Solution.java)	no	no	no	no
151	Reverse Words in a String	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/151. Reverse Words in a String/Solution.java)	no	no	no	no
152	Maximum Product Subarray	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/152. Maximum Product Subarray/Solution.java)	no	no	no	no
153	Find Minimum in Rotated Sorted Array	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/153. Find Minimum in Rotated Sorted Array/Solution.java)	no	no	no	no
154	Find Minimum in Rotated Sorted Array II	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/154. Find Minimum in Rotated Sorted Array II/Solution.java)	no	no	no	no
155	Min Stack	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/155. Min Stack/Solution.java)	no	no	no	no
156	Binary Tree Upside Down	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/156. Binary Tree Upside Down/Solution.java)	no	no	no	no
157	Read N Characters Given Read4	Easy	noNote	no	no	no	no	no
158	Read N Characters Given Read4 II - Call multiple times	Hard	noNote	no	no	no	no	no
159	Longest Substring with At Most Two Distinct Characters	Hard	noNote	no	no	no	no	no
160	Intersection of Two Linked Lists	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/160. Intersection of Two Linked Lists/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/160. Intersection of Two Linked Lists/Solution.py)	no	no	no
161	One Edit Distance	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/161. One Edit Distance/Solution.java)	no	no	no	no
162	Find Peak Element	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/162. Find Peak Element/Solution.java)	no	no	no	no
163	Missing Ranges	Medium	noNote	no	no	no	no	no
164	Maximum Gap	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/164. Maximum Gap/Solution.java)	no	no	no	no
165	Compare Version Numbers	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/165. Compare Version Numbers/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/165. Compare Version Numbers/Solution.py)	no	no	no
166	Fraction to Recurring Decimal	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/166. Fraction to Recurring Decimal/Solution.java)	no	no	no	no
167	Two Sum II - Input array is sorted	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/167. Two Sum II - Input array is sorted/Solution.java)	no	no	no	no
168	Excel Sheet Column Title	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/168. Excel Sheet Column Title/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/168. Excel Sheet Column Title/Solution.py)	no	no	no
169	Majority Element	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/169. Majority Element/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/169. Majority Element/Solution.py)	no	no	no
170	Two Sum III - Data structure design	Easy	noNote	no	no	no	no	no
171	Excel Sheet Column Number	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/171. Excel Sheet Column Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/171. Excel Sheet Column Number/Solution.py)	no	no	no
172	Factorial Trailing Zeroes	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/172. Factorial Trailing Zeroes/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/172. Factorial Trailing Zeroes/Solution.py)	no	no	no
173	Binary Search Tree Iterator	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/173. Binary Search Tree Iterator/Solution.java)	no	no	no	no
174	Dungeon Game	Hard	noNote	no	no	no	no	no
179	Largest Number	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/179. Largest Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/179. Largest Number/Solution.py)	no	no	no
186	Reverse Words in a String II	Medium	noNote	no	no	no	no	no
187	Repeated DNA Sequences	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/187. Repeated DNA Sequences/Solution.java)	no	no	no	no
188	Best Time to Buy and Sell Stock IV	Hard	noNote	no	no	no	no	no
189	Rotate Array	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/189. Rotate Array/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/189. Rotate Array/Solution.py)	no	no	no
190	Reverse Bits	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/190. Reverse Bits/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/190. Reverse Bits/Solution.py)	no	no	no
191	Number of 1 Bits	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/191. Number of 1 Bits/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/191. Number of 1 Bits/Solution.py)	no	no	no
198	House Robber	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/198. House Robber/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/198. House Robber/Solution.py)	no	no	no
199	Binary Tree Right Side View	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/199. Binary Tree Right Side View/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/199. Binary Tree Right Side View/Solution.py)	no	no	no
200	Number of Islands	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/200. Number of Islands/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/200. Number of Islands/Solution.py)	no	no	no
201	Bitwise AND of Numbers Range	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/201. Bitwise AND of Numbers Range/Solution.java)	no	no	no	no
202	Happy Number	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/202. Happy Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/202. Happy Number/Solution.py)	no	no	no
203	Remove Linked List Elements	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/203. Remove Linked List Elements/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/203. Remove Linked List Elements/Solution.py)	no	no	no
204	Count Primes	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/204. Count Primes/Solution.java)	no	no	no	no
205	Isomorphic Strings	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/205. Isomorphic Strings/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/205. Isomorphic Strings/Solution.py)	no	no	no
206	Reverse Linked List	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/206. Reverse Linked List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/206. Reverse Linked List/Solution.py)	no	no	no
207	Course Schedule	Medium	noNote	no	no	no	no	no
208	Implement Trie (Prefix Tree)	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/208. Implement Trie (Prefix Tree)/Solution.java)	no	no	no	no
209	Minimum Size Subarray Sum	Medium	noNote	no	no	no	no	no
210	Course Schedule II	Medium	noNote	no	no	no	no	no
211	Add and Search Word - Data structure design	Medium	noNote	no	no	no	no	no
212	Word Search II	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/212. Word Search II/Solution.java)	no	no	no	no
213	House Robber II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/213. House Robber II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/213. House Robber II/Solution.py)	no	no	no
214	Shortest Palindrome	Hard	noNote	no	no	no	no	no
215	Kth Largest Element in an Array	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/215. Kth Largest Element in an Array/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/215. Kth Largest Element in an Array/Solution.py)	no	no	no
216	Combination Sum III	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/216. Combination Sum III/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/216. Combination Sum III/Solution.py)	no	no	no
217	Contains Duplicate	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/217. Contains Duplicate/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/217. Contains Duplicate/Solution.py)	no	no	no
218	The Skyline Problem	Hard	noNote	no	no	no	no	no
219	Contains Duplicate II	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/219. Contains Duplicate II/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/219. Contains Duplicate II/Solution.py)	no	no	no
220	Contains Duplicate III	Medium	noNote	no	no	no	no	no
221	Maximal Square	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/221. Maximal Square/Solution.java)	no	no	no	no
222	Count Complete Tree Nodes	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/222. Count Complete Tree Nodes/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/222. Count Complete Tree Nodes/Solution.py)	no	no	no
223	Rectangle Area	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/223. Rectangle Area/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/223. Rectangle Area/Solution.py)	no	no	no
224	Basic Calculator	Hard	noNote	no	no	no	no	no
225	Implement Stack using Queues	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/225. Implement Stack using Queues/Solution.java)	no	no	no	no
226	Invert Binary Tree	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/226. Invert Binary Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/226. Invert Binary Tree/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/226. Invert Binary Tree/Solution.rb)	no	no
227	Basic Calculator II	Medium	noNote	no	no	no	no	no
228	Summary Ranges	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/228. Summary Ranges/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/228. Summary Ranges/Solution.py)	no	no	no
229	Majority Element II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/229. Majority Element II/Solution.java)	no	no	no	no
230	Kth Smallest Element in a BST	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/230. Kth Smallest Element in a BST/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/230. Kth Smallest Element in a BST/Solution.py)	[Ruby](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/230. Kth Smallest Element in a BST/Solution.rb)	no	no
231	Power of Two	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/231. Power of Two/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/231. Power of Two/Solution.py)	no	no	no
232	Implement Queue using Stacks	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/232. Implement Queue using Stacks/Solution.java)	no	no	no	no
233	Number of Digit One	Hard	noNote	no	no	no	no	no
234	Palindrome Linked List	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/234. Palindrome Linked List/Solution.java)	no	no	no	no
235	Lowest Common Ancestor of a Binary Search Tree	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/235. Lowest Common Ancestor of a Binary Search Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/235. Lowest Common Ancestor of a Binary Search Tree/Solution.py)	no	no	no
236	Lowest Common Ancestor of a Binary Tree	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/236. Lowest Common Ancestor of a Binary Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/236. Lowest Common Ancestor of a Binary Tree/Solution.py)	no	no	no
237	Delete Node in a Linked List	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/237. Delete Node in a Linked List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/237. Delete Node in a Linked List/Solution.py)	no	no	no
238	Product of Array Except Self	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/238. Product of Array Except Self/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/238. Product of Array Except Self/Solution.py)	no	no	no
239	Sliding Window Maximum	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/239. Sliding Window Maximum/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/239. Sliding Window Maximum/Solution.py)	no	no	no
240	Search a 2D Matrix II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/240. Search a 2D Matrix II/Solution.java)	no	no	no	no
241	Different Ways to Add Parentheses	Medium	noNote	no	no	no	no	no
242	Valid Anagram	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/242. Valid Anagram/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/242. Valid Anagram/Solution.py)	no	no	no
243	Shortest Word Distance	Easy	noNote	no	no	no	no	no
244	Shortest Word Distance II	Medium	noNote	no	no	no	no	no
245	Shortest Word Distance III	Medium	noNote	no	no	no	no	no
246	Strobogrammatic Number	Easy	noNote	no	no	no	no	no
247	Strobogrammatic Number II	Medium	noNote	no	no	no	no	no
248	Strobogrammatic Number III	Hard	noNote	no	no	no	no	no
249	Group Shifted Strings	Easy	noNote	no	no	no	no	no
250	Count Univalue Subtrees	Medium	noNote	no	no	no	no	no
251	Flatten 2D Vector	Medium	noNote	no	no	no	no	no
252	Meeting Rooms	Easy	noNote	no	no	no	no	no
253	Meeting Rooms II	Medium	noNote	no	no	no	no	no
254	Factor Combinations	Medium	noNote	no	no	no	no	no
255	Verify Preorder Sequence in Binary Search Tree	Medium	noNote	no	no	no	no	no
256	Paint House	Medium	noNote	no	no	no	no	no
257	Binary Tree Paths	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/257. Binary Tree Paths/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/257. Binary Tree Paths/Solution.py)	no	no	no
258	Add Digits	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/258. Add Digits/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/258. Add Digits/Solution.py)	no	no	no
259	3Sum Smaller	Medium	noNote	no	no	no	no	no
260	Single Number III	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/260. Single Number III/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/260. Single Number III/Solution.py)	no	no	no
261	Graph Valid Tree	Medium	noNote	no	no	no	no	no
263	Ugly Number	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/263. Ugly Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/263. Ugly Number/Solution.py)	no	no	no
264	Ugly Number II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/264. Ugly Number II/Solution.java)	no	no	no	no
265	Paint House II	Hard	noNote	no	no	no	no	no
266	Palindrome Permutation	Easy	noNote	no	no	no	no	no
267	Palindrome Permutation II	Medium	noNote	no	no	no	no	no
268	Missing Number	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/268. Missing Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/268. Missing Number/Solution.py)	no	no	no
269	Alien Dictionary	Hard	noNote	no	no	no	no	no
270	Closest Binary Search Tree Value	Easy	noNote	no	no	no	no	no
271	Encode and Decode Strings	Medium	noNote	no	no	no	no	no
272	Closest Binary Search Tree Value II	Hard	noNote	no	no	no	no	no
273	Integer to English Words	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/273. Integer to English Words/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/273. Integer to English Words/Solution.py)	no	no	no
274	H-Index	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/274. H-Index/Solution.java)	no	no	no	no
275	H-Index II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/275. H-Index II/Solution.java)	no	no	no	no
276	Paint Fence	Easy	noNote	no	no	no	no	no
277	Find the Celebrity	Medium	noNote	no	no	no	no	no
278	First Bad Version	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/278. First Bad Version/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/278. First Bad Version/Solution.py)	no	no	no
279	Perfect Squares	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/279. Perfect Squares/Solution.java)	no	no	no	no
280	Wiggle Sort	Medium	noNote	no	no	no	no	no
281	Zigzag Iterator	Medium	noNote	no	no	no	no	no
282	Expression Add Operators	Hard	noNote	no	no	no	no	no
283	Move Zeroes	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/283. Move Zeroes/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/283. Move Zeroes/Solution.py)	no	no	no
284	Peeking Iterator	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/284. Peeking Iterator/Solution.java)	no	no	no	no
285	Inorder Successor in BST	Medium	noNote	no	no	no	no	no
286	Walls and Gates	Medium	noNote	no	no	no	no	no
287	Find the Duplicate Number	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/287. Find the Duplicate Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/287. Find the Duplicate Number/Solution.py)	no	no	no
288	Unique Word Abbreviation	Easy	noNote	no	no	no	no	no
289	Game of Life	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/289. Game of Life/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/289. Game of Life/Solution.py)	no	no	no
290	Word Pattern	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/290. Word Pattern/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/290. Word Pattern/Solution.py)	no	no	no
291	Word Pattern II	Hard	noNote	no	no	no	no	no
292	Nim Game	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/292. Nim Game/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/292. Nim Game/Solution.py)	no	no	no
293	Flip Game	Easy	noNote	no	no	no	no	no
294	Flip Game II	Medium	noNote	no	no	no	no	no
295	Find Median from Data Stream	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/295. Find Median from Data Stream/Solution.java)	no	no	no	no
296	Best Meeting Point	Hard	noNote	no	no	no	no	no
297	Serialize and Deserialize Binary Tree	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/297. Serialize and Deserialize Binary Tree/Solution.java)	no	no	no	no
298	Binary Tree Longest Consecutive Sequence	Medium	noNote	no	no	no	no	no
299	Bulls and Cows	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/299. Bulls and Cows/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/299. Bulls and Cows/Solution.py)	no	no	no
300	Longest Increasing Subsequence	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/300. Longest Increasing Subsequence/Solution.java)	no	no	no	no
301	Remove Invalid Parentheses	Hard	noNote	no	no	no	no	no
302	Smallest Rectangle Enclosing Black Pixels	Hard	noNote	no	no	no	no	no
303	Range Sum Query - Immutable	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/303. Range Sum Query - Immutable/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/303. Range Sum Query - Immutable/Solution.py)	no	no	no
304	Range Sum Query 2D - Immutable	Medium	noNote	no	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/304. Range Sum Query 2D - Immutable/Solution.py)	no	no	no
305	Number of Islands II	Hard	noNote	no	no	no	no	no
306	Additive Number	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/306. Additive Number/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/306. Additive Number/Solution.py)	no	no	no
307	Range Sum Query - Mutable	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/307. Range Sum Query - Mutable/Solution.java)	no	no	no	no
308	Range Sum Query 2D - Mutable	Hard	noNote	no	no	no	no	no
309	Best Time to Buy and Sell Stock with Cooldown	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/309. Best Time to Buy and Sell Stock with Cooldown/Solution.java)	no	no	no	no
310	Minimum Height Trees	Medium	noNote	no	no	no	no	no
311	Sparse Matrix Multiplication	Medium	noNote	no	no	no	no	no
312	Burst Balloons	Hard	noNote	no	no	no	no	no
313	Super Ugly Number	Medium	noNote	no	no	no	no	no
314	Binary Tree Vertical Order Traversal	Medium	noNote	no	no	no	no	no
315	Count of Smaller Numbers After Self	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/315. Count of Smaller Numbers After Self/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/315. Count of Smaller Numbers After Self/Solution.py)	no	no	no
316	Remove Duplicate Letters	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/316. Remove Duplicate Letters/Solution.java)	no	no	no	no
317	Shortest Distance from All Buildings	Hard	noNote	no	no	no	no	no
318	Maximum Product of Word Lengths	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/318. Maximum Product of Word Lengths/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/318. Maximum Product of Word Lengths/Solution.py)	no	no	no
319	Bulb Switcher	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/319. Bulb Switcher/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/319. Bulb Switcher/Solution.py)	no	no	no
320	Generalized Abbreviation	Medium	noNote	no	no	no	no	no
321	Create Maximum Number	Hard	noNote	no	no	no	no	no
322	Coin Change	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/322. Coin Change/Solution.java)	no	no	no	no
323	Number of Connected Components in an Undirected Graph	Medium	noNote	no	no	no	no	no
324	Wiggle Sort II	Medium	noNote	no	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/324. Wiggle Sort II/Solution.py)	no	no	no
325	Maximum Size Subarray Sum Equals k	Medium	noNote	no	no	no	no	no
326	Power of Three	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/326. Power of Three/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/326. Power of Three/Solution.py)	no	no	no
327	Count of Range Sum	Hard	noNote	no	no	no	no	no
328	Odd Even Linked List	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/328. Odd Even Linked List/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/328. Odd Even Linked List/Solution.py)	no	no	no
329	Longest Increasing Path in a Matrix	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/329. Longest Increasing Path in a Matrix/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/329. Longest Increasing Path in a Matrix/Solution.py)	no	no	no
330	Patching Array	Hard	noNote	no	no	no	no	no
331	Verify Preorder Serialization of a Binary Tree	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/331. Verify Preorder Serialization of a Binary Tree/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/331. Verify Preorder Serialization of a Binary Tree/Solution.py)	no	no	no
332	Reconstruct Itinerary	Medium	noNote	no	no	no	no	no
333	Largest BST Subtree	Medium	noNote	no	no	no	no	no
334	Increasing Triplet Subsequence	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/334. Increasing Triplet Subsequence/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/334. Increasing Triplet Subsequence/Solution.py)	no	no	no
335	Self Crossing	Hard	noNote	no	no	no	no	no
336	Palindrome Pairs	Hard	noNote	no	no	no	no	no
337	House Robber III	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/337. House Robber III/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/337. House Robber III/Solution.py)	no	no	no
338	Counting Bits	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/338. Counting Bits/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/338. Counting Bits/Solution.py)	no	no	no
339	Nested List Weight Sum	Easy	noNote	no	no	no	no	no
340	Longest Substring with At Most K Distinct Characters	Hard	noNote	no	no	no	no	no
341	Flatten Nested List Iterator	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/341. Flatten Nested List Iterator/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/341. Flatten Nested List Iterator/Solution.py)	no	no	no
342	Power of Four	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/342. Power of Four/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/342. Power of Four/Solution.py)	no	no	no
343	Integer Break	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/343. Integer Break/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/343. Integer Break/Solution.py)	no	no	no
344	Reverse String	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/344. Reverse String/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/344. Reverse String/Solution.py)	no	no	no
345	Reverse Vowels of a String	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/345. Reverse Vowels of a String/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/345. Reverse Vowels of a String/Solution.py)	no	no	no
346	Moving Average from Data Stream	Easy	noNote	no	no	no	no	no
347	Top K Frequent Elements	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/347. Top K Frequent Elements/Solution.java)	[Python](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/347. Top K Frequent Elements/Solution.py)	no	no	no
348	Design Tic-Tac-Toe	Medium	noNote	no	no	no	no	no
349	Intersection of Two Arrays	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/349. Intersection of Two Arrays/Solution.java)	no	no	no	no
350	Intersection of Two Arrays II	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/350. Intersection of Two Arrays II/Solution.java)	no	no	no	no
351	Android Unlock Patterns	Medium	noNote	no	no	no	no	no
352	Data Stream as Disjoint Intervals	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/352. Data Stream as Disjoint Intervals/Solution.java)	no	no	no	no
353	Design Snake Game	Medium	noNote	no	no	no	no	no
354	Russian Doll Envelopes	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/354. Russian Doll Envelopes/Solution.java)	no	no	no	no
355	Design Twitter	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/355. Design Twitter/Solution.java)	no	no	no	no
356	Line Reflection	Medium	noNote	no	no	no	no	no
357	Count Numbers with Unique Digits	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/357. Count Numbers with Unique Digits/Solution.java)	no	no	no	no
358	Rearrange String k Distance Apart	Hard	noNote	no	no	no	no	no
359	Logger Rate Limiter	Easy	noNote	no	no	no	no	no
360	Sort Transformed Array	Medium	noNote	no	no	no	no	no
361	Bomb Enemy	Medium	noNote	no	no	no	no	no
362	Design Hit Counter	Medium	noNote	no	no	no	no	no
363	Max Sum of Rectangle No Larger Than K	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/363. Max Sum of Rectangle No Larger Than K/Solution.java)	no	no	no	no
364	Nested List Weight Sum II	Medium	noNote	no	no	no	no	no
365	Water and Jug Problem	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/365. Water and Jug Problem/Solution.java)	no	no	no	no
366	Find Leaves of Binary Tree	Medium	noNote	no	no	no	no	no
367	Valid Perfect Square	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/367. Valid Perfect Square/Solution.java)	no	no	no	no
368	Largest Divisible Subset	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/368. Largest Divisible Subset/Solution.java)	no	no	no	no
369	Plus One Linked List	Medium	noNote	no	no	no	no	no
370	Range Addition	Medium	noNote	no	no	no	no	no
371	Sum of Two Integers	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/371. Sum of Two Integers/Solution.java)	no	no	no	no
372	Super Pow	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/372. Super Pow/Solution.java)	no	no	no	no
373	Find K Pairs with Smallest Sums	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/373. Find K Pairs with Smallest Sums/Solution.java)	no	no	no	no
374	Guess Number Higher or Lower	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/374. Guess Number Higher or Lower/Solution.java)	no	no	no	no
375	Guess Number Higher or Lower II	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/375. Guess Number Higher or Lower II/Solution.java)	no	no	no	no
376	Wiggle Subsequence	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/376. Wiggle Subsequence/Solution.java)	no	no	no	no
377	Combination Sum IV	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/377. Combination Sum IV/Solution.java)	no	no	no	no
378	Kth Smallest Element in a Sorted Matrix	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/378. Kth Smallest Element in a Sorted Matrix/Solution.java)	no	no	no	no
379	Design Phone Directory	Medium	noNote	no	no	no	no	no
380	Insert Delete GetRandom O(1)	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/380. Insert Delete GetRandom O(1)/Solution.java)	no	no	no	no
381	Insert Delete GetRandom O(1) - Duplicates allowed	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/381. Insert Delete GetRandom O(1) - Duplicates allowed/Solution.java)	no	no	no	no
382	Linked List Random Node	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/382. Linked List Random Node/Solution.java)	no	no	no	no
383	Ransom Note	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/383. Ransom Note/Solution.java)	no	no	no	no
384	Shuffle an Array	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/384. Shuffle an Array/Solution.java)	no	no	no	no
385	Mini Parser	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/385. Mini Parser/Solution.java)	no	no	no	no
386	Lexicographical Numbers	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/386. Lexicographical Numbers/Solution.java)	no	no	no	no
387	First Unique Character in a String	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/387. First Unique Character in a String/Solution.java)	no	no	no	no
388	Longest Absolute File Path	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/388. Longest Absolute File Path/Solution.java)	no	no	no	no
389	Find the Difference	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/389. Find the Difference/Solution.java)	no	no	no	no
390	Elimination Game	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/390. Elimination Game/Solution.java)	no	no	no	no
391	Perfect Rectangle	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/391. Perfect Rectangle/Solution.java)	no	no	no	no
392	Is Subsequence	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/392. Is Subsequence/Solution.java)	no	no	no	no
393	UTF-8 Validation	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/393. UTF-8 Validation/Solution.java)	no	no	no	no
394	Decode String	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/394. Decode String/Solution.java)	no	no	no	no
395	Longest Substring with At Least K Repeating Characters	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/395. Longest Substring with At Least K Repeating Characters/Solution.java)	no	no	no	no
396	Rotate Function	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/396. Rotate Function/Solution.java)	no	no	no	no
397	Integer Replacement	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/397. Integer Replacement/Solution.java)	no	no	no	no
398	Random Pick Index	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/398. Random Pick Index/Solution.java)	no	no	no	no
399	Evaluate Division	Medium	noNote	no	no	no	no	no
400	Nth Digit	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/400. Nth Digit/Solution.java)	no	no	no	no
401	Binary Watch	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/401. Binary Watch/Solution.java)	no	no	no	no
402	Remove K Digits	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/402. Remove K Digits/Solution.java)	no	no	no	no
403	Frog Jump	Hard	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/403. Frog Jump/Solution.java)	no	no	no	no
404	Sum of Left Leaves	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/404. Sum of Left Leaves/Solution.java)	no	no	no	no
405	Convert a Number to Hexadecimal	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/405. Convert a Number to Hexadecimal/Solution.java)	no	no	no	no
406	Queue Reconstruction by Height	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/406. Queue Reconstruction by Height/Solution.java)	no	no	no	no
407	Trapping Rain Water II	Hard	noNote	no	no	no	no	no
408	Valid Word Abbreviation	Easy	noNote	no	no	no	no	no
409	Longest Palindrome	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/409. Longest Palindrome/Solution.java)	no	no	no	no
410	Split Array Largest Sum	Hard	noNote	no	no	no	no	no
411	Minimum Unique Word Abbreviation	Hard	noNote	no	no	no	no	no
415	Add Strings	Easy	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/415. Add Strings/Solution.java)	no	no	no	no
416	Partition Equal Subset Sum	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/416. Partition Equal Subset Sum/Solution.java)	no	no	no	no
417	Pacific Atlantic Water Flow	Medium	noNote	[Java](https://github.com/corpsepiges/leetcode/blob/master/Algorithms/417. Pacific Atlantic Water Flow/Solution.java)	no	no	no	no
418	Sentence Screen Fitting	Medium	noNote	no	no	no	no	no