Submissions

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Introduction

A repository to keep track of problem solving practice, containing solutions from platforms:

• Codeforces  
• AtCoder  

Contents

#	Title	Solution	Tags	Submitted
796	E - Nearest Black Vertex	C++ (GCC 9.2.1)	AtCoder *500	Apr/22/2023 05:49
795	D - Find by Query	C++ (GCC 9.2.1)	AtCoder *400	Apr/22/2023 05:17
794	B - Trick Taking	C++ (GCC 9.2.1)	AtCoder *200	Apr/22/2023 05:08
793	C - Dango	C++ (GCC 9.2.1)	AtCoder *300	Apr/22/2023 05:05
792	A - Treasure Chest	C++ (GCC 9.2.1)	AtCoder *100	Apr/22/2023 05:01
791	B - Sum Graph	GNU C++14	brute force constructive algorithms graphs implementation interactive shortest paths trees *2000	Apr/09/2023 09:40
790	A - Ian and Array Sorting	GNU C++14	greedy math *1300	Apr/09/2023 07:58
789	D - Counting Factorizations	GNU C++14	combinatorics divide and conquer dp math number theory *1900	Mar/04/2023 10:56
788	C - Scoring Subsequences	GNU C++14	binary search greedy math two pointers *1300	Mar/04/2023 09:56
787	B - Not Dividing	GNU C++14	constructive algorithms greedy math *900	Mar/04/2023 09:43
786	A - Prefix and Suffix Array	GNU C++14	strings *800	Mar/04/2023 09:40
785	C - Serval and Toxel's Arrays	GNU C++14	combinatorics dp implementation math *1500	Feb/25/2023 07:02
784	B - Serval and Inversion Magic	GNU C++14	brute force implementation strings two pointers *800	Feb/25/2023 06:26
783	A - Serval and Mocha's Array	GNU C++14	brute force math number theory *800	Feb/25/2023 06:22
782	D - Strange Housing	GNU C++14	constructive algorithms dfs and similar graph matchings graphs greedy *2200	Feb/14/2023 18:34
781	B - Cake Assembly Line	GNU C++14	brute force sortings *1300	Feb/05/2023 04:37
780	C - Monsters (easy version)	GNU C++14	greedy sortings *1000	Feb/05/2023 04:17
779	A2 - Alternating Deck (hard version)	GNU C++14	implementation *800	Feb/05/2023 04:11
778	A1 - Non-alternating Deck (easy version)	GNU C++14	implementation *800	Feb/05/2023 04:11
777	C - Remove the Bracket	GNU C++14	dp greedy math *1600	Jan/29/2023 09:07
776	E - The Harmonization of XOR	GNU C++14	bitmasks constructive algorithms greedy math *2100	Jan/29/2023 07:08
775	B - Number Factorization	GNU C++14	greedy math number theory *1100	Jan/29/2023 06:45
774	A - Exponential Equation	GNU C++14	constructive algorithms math *800	Jan/29/2023 06:36
773	C - Quiz Master	GNU C++17	binary search math number theory sortings two pointers *1700	Jan/21/2023 08:06
772	B - Emordnilap	GNU C++14	combinatorics greedy math *900	Jan/21/2023 06:47
771	A - Everybody Likes Good Arrays!	GNU C++14	greedy math *800	Jan/21/2023 06:38
770	B - Sum	GNU C++14	math *1500	Jan/11/2023 15:48
769	E - Game of the Year	GNU C++14	brute force data structures math number theory *2300	Jan/08/2023 08:14
768	C - Yet Another Tournament	GNU C++14	binary search greedy sortings *1700	Jan/08/2023 07:16
767	B - Matrix of Differences	GNU C++14	constructive algorithms math *1100	Jan/08/2023 06:48
766	A - Make it Beautiful	GNU C++14	constructive algorithms math sortings *800	Jan/08/2023 06:43
765	C - Virus	GNU C++14	greedy implementation sortings *1200	Jul/31/2022 07:52
764	A - Two 0-1 Sequences	GNU C++14	constructive algorithms greedy *800	Jul/31/2022 07:15
763	B - Luke is a Foodie	GNU C++14	brute force greedy implementation *1000	Jul/31/2022 07:15
762	D1 - Chopping Carrots (Easy Version)	GNU C++14	binary search brute force constructive algorithms greedy number theory *1700	Jul/18/2022 08:57
761	C - Qpwoeirut And The City	GNU C++14	dp flows greedy implementation *1400	Jul/18/2022 07:59
760	B - Making Towers	GNU C++14	dp greedy math *1100	Jul/18/2022 07:44
759	A - Another String Minimization Problem	GNU C++14	2-sat constructive algorithms greedy string suffix structures strings *800	Jul/18/2022 07:37
758	C - Pie or die	GNU C++14	games *1900	Jul/17/2022 16:21
757	C - Doremy's IQ	GNU C++14	binary search greedy *1600	Jul/16/2022 10:15
756	B - Difference of GCDs	GNU C++14	constructive algorithms math *1100	Jul/16/2022 07:44
755	A - Difference Operations	GNU C++14	greedy math *800	Jul/16/2022 07:37
754	F - Mark and the Online Exam	GNU C++14	bitmasks constructive algorithms interactive probabilities *2900	Jul/15/2022 08:45
753	B - Mark the Dust Sweeper	GNU C++14	constructive algorithms greedy implementation *900	Jul/15/2022 06:54
752	A - Mark the Photographer	GNU C++14	greedy sortings *800	Jul/15/2022 06:37
751	E - Split Into Two Sets	GNU C++14	dfs and similar dsu graphs *1600	Jul/10/2022 09:28
750	B - Counterclockwise Rotation	C++ (GCC 9.2.1)	AtCoder *200	Jul/09/2022 09:22
749	C - The Third Problem	GNU C++14	combinatorics constructive algorithms math *1700	Jul/04/2022 07:55
748	B - Almost Ternary Matrix	GNU C++14	bitmasks constructive algorithms matrices *900	Jul/04/2022 07:40
747	A - The Third Three Number Problem	GNU C++14	constructive algorithms math *800	Jul/04/2022 07:36
746	B - Different Rules	GNU C++14	constructive algorithms greedy implementation math *1700	Jun/30/2022 15:11
745	C1 - Skyscrapers (easy version)	GNU C++14	brute force data structures dp greedy *1500	Jun/30/2022 14:49
744	A - Fast Food Restaurant	GNU C++14	brute force greedy implementation *900	Jun/30/2022 14:35
743	D - Fixed Point Guessing	GNU C++14	binary search constructive algorithms interactive *1600	Jun/28/2022 10:39
742	E - PermutationForces II	GNU C++14	brute force combinatorics greedy sortings trees two pointers *2300	Jun/28/2022 10:39
741	F - Equal Reversal	GNU C++14	constructive algorithms graphs implementation math *2800	Jun/28/2022 10:39
740	G - Long Binary String	GNU C++14	bitmasks math matrices meet-in-the-middle number theory *2900	Jun/28/2022 10:39
739	B - Rising Sand	GNU C++14	constructive algorithms greedy implementation *800	Jun/28/2022 10:38
738	C - 3SUM Closure	GNU C++14	brute force data structures *1300	Jun/28/2022 10:38
737	A - XOR Mixup	GNU C++14	bitmasks brute force *800	Jun/28/2022 10:37
736	C - Fishingprince Plays With Array	GNU C++14	constructive algorithms greedy implementation math *1400	Jun/25/2022 08:01
735	B - NIT Destroys the Universe	GNU C++14	greedy *900	Jun/25/2022 07:40
734	A - NIT orz!	GNU C++14	bitmasks greedy *800	Jun/25/2022 07:37
733	F - Equalizing Two Strings	GNU C++14	constructive algorithms sortings strings *2000	Jun/20/2022 13:40
732	C - Helping the Nature	GNU C++14	constructive algorithms data structures greedy *1700	Jun/19/2022 15:46
731	B - Palindromic Numbers	GNU C++14	constructive algorithms implementation math *1100	Jun/19/2022 14:38
730	A - Optimal Path	GNU C++14	constructive algorithms greedy math *800	Jun/19/2022 14:26
729	C - Zero Path	GNU C++14	brute force data structures dp graphs greedy shortest paths *1700	Jun/18/2022 09:30
728	B - Circle Game	GNU C++14	games greedy *1000	Jun/18/2022 07:52
727	A - Subrectangle Guess	GNU C++14	games *800	Jun/18/2022 07:42
726	E - Number of Simple Paths	GNU C++14	combinatorics dfs and similar graphs trees *2000	Jun/17/2022 11:49
725	B - Fake Plastic Trees	GNU C++14	dfs and similar dp greedy trees *1700	Jun/16/2022 08:40
724	A - Directional Increase	GNU C++14	greedy *1300	Jun/16/2022 07:51
723	D - Guess The String	GNU C++14	binary search constructive algorithms interactive *1900	Jun/12/2022 09:30
722	C - awoo's Favorite Problem	GNU C++14	binary search constructive algorithms data structures greedy implementation strings two pointers *1400	Jun/12/2022 08:01
721	B - Promo	GNU C++14	greedy sortings *900	Jun/12/2022 07:41
720	A - Parkway Walk	GNU C++14	greedy implementation *800	Jun/12/2022 07:37
719	C - Infected Tree	GNU C++14	dfs and similar dp trees *1600	Jun/10/2022 11:19
718	D - Lena and Matrix	GNU C++14	data structures dp geometry shortest paths *1900	Jun/10/2022 11:04
717	B - Mystic Permutation	GNU C++14	data structures greedy *900	Jun/10/2022 09:46
716	A - Lex String	GNU C++14	brute force greedy implementation sortings two pointers *800	Jun/10/2022 09:40
715	C - Restoring the Duration of Tasks	GNU C++14	data structures greedy implementation *800	Jun/07/2022 08:21
714	A - Print a Pedestal (Codeforces logo?)	GNU C++14	constructive algorithms greedy *800	Jun/07/2022 07:59
713	F - Shifting String	GNU C++14	graphs math number theory strings *1700	Jun/07/2022 07:54
712	D - Black and White Stripe	GNU C++14	implementation two pointers *1000	Jun/07/2022 07:45
711	B - Array Decrements	GNU C++14	greedy implementation *800	Jun/07/2022 07:39
710	A - Consecutive Sum Riddle	GNU C++14	math *800	Jun/06/2022 15:43
709	E - Permutation Shift	GNU C++14	brute force combinatorics constructive algorithms dfs and similar dsu graphs math *2100	Jun/03/2022 14:03
708	C - Manipulating History	GNU C++14	constructive algorithms greedy strings *1700	Jun/03/2022 11:05
707	B - Railway System	GNU C++14	constructive algorithms graphs greedy interactive sortings *1700	Jun/03/2022 08:16
706	A - The Enchanted Forest	GNU C++14	brute force greedy *1600	Jun/03/2022 07:52
705	D - The Number of Pairs	GNU C++14	dp math number theory *2100	Jun/02/2022 12:15
704	E - Yet Another Division Into Teams	GNU C++14	dp greedy sortings *2000	Jun/01/2022 17:43
703	D - Max GEQ Sum	GNU C++14	binary search constructive algorithms data structures divide and conquer implementation two pointers *1800	May/31/2022 09:26
702	C - Sum of Substrings	GNU C++14	brute force constructive algorithms greedy math strings *1400	May/31/2022 07:50
701	B - Shoe Shuffling	GNU C++14	constructive algorithms greedy implementation two pointers *1000	May/31/2022 07:39
700	A - Beat The Odds	GNU C++14	brute force greedy math *800	May/31/2022 07:35
699	C - Compression and Expansion	GNU C++14	brute force data structures greedy implementation trees *1600	May/29/2022 11:54
698	C - Grandma Capa Knits a Scarf	GNU C++14	brute force data structures greedy strings two pointers *1200	May/29/2022 11:38
697	C - Dominant Character	GNU C++14	brute force greedy implementation strings *1400	May/29/2022 10:51
696	H - Delete Them	GNU C++14	constructive algorithms implementation *1300	May/29/2022 10:50
695	B - Same Parity Summands	GNU C++14	constructive algorithms math *1200	May/29/2022 10:38
694	B - Update Files	GNU C++14	greedy implementation math *1100	May/29/2022 10:33
693	A - Little Artem	GNU C++14	constructive algorithms *1000	May/29/2022 10:28
692	A - Display The Number	GNU C++14	greedy *900	May/29/2022 10:26
691	A - Construct a Rectangle	GNU C++14	geometry math *800	May/29/2022 10:22
690	G - Unusual Minesweeper	GNU C++14	binary search dfs and similar dsu greedy sortings *2000	May/29/2022 09:07
689	D - Linguistics	GNU C++14	constructive algorithms greedy sortings strings two pointers *2000	May/25/2022 12:27
688	C - Circular Local MiniMax	GNU C++14	constructive algorithms greedy sortings *1100	May/25/2022 10:48
687	B - Odd Subarrays	GNU C++14	dp greedy *800	May/25/2022 10:40
686	A - Everything Everywhere All But One	GNU C++14	greedy *800	May/25/2022 10:37
685	D - Circular Spanning Tree	GNU C++14	constructive algorithms implementation trees *2000	May/22/2022 09:16
684	C - LIS or Reverse LIS?	GNU C++14	constructive algorithms greedy implementation math *1400	May/22/2022 08:35
683	B - AND Sorting	GNU C++14	bitmasks constructive algorithms sortings *1100	May/22/2022 07:42
682	A - Palindromic Indices	GNU C++14	greedy strings *800	May/22/2022 07:39
681	D2 - Prefix-Suffix Palindrome (Hard version)	GNU C++14	binary search greedy hashing string suffix structures strings *1800	May/20/2022 23:55
680	D - Traps	GNU C++14	constructive algorithms greedy sortings *1700	May/19/2022 11:28
679	B - Z mod X = C	GNU C++14	constructive algorithms math *800	May/19/2022 11:27
678	A - Digit Minimization	GNU C++14	constructive algorithms games math strings *800	May/19/2022 11:26
677	B - A Determined Cleanup	GNU C++14	math *2000	May/15/2022 15:58
676	D - Nearest Excluded Points	GNU C++14	binary search data structures dfs and similar graphs shortest paths *1900	May/14/2022 22:30
675	D - Omkar and the Meaning of Life	GNU C++14	constructive algorithms greedy interactive *1800	May/14/2022 22:16
674	E - K Balanced Teams	GNU C++14	dp sortings two pointers *1800	May/14/2022 13:22
673	C - BA-String	GNU C++14	brute force dp greedy implementation math *1800	May/12/2022 22:05
672	B - Labyrinth	GNU C++14	graphs shortest paths *1800	May/12/2022 18:50
671	A - Tokitsukaze and Strange Inequality	GNU C++14	brute force data structures dp *1600	May/08/2022 11:51
670	C - Tokitsukaze and Strange Inequality	GNU C++14	brute force data structures *1600	May/08/2022 11:23
669	F1 - Array Shuffling	GNU C++14	constructive algorithms graphs greedy *2000	Apr/23/2022 09:53
668	D - Cyclic Rotation	GNU C++14	constructive algorithms greedy implementation two pointers *1700	Apr/23/2022 08:29
667	C - Unequal Array	GNU C++14	constructive algorithms greedy implementation *1100	Apr/23/2022 07:34
666	B - I love AAAB	GNU C++14	constructive algorithms implementation *800	Apr/23/2022 07:24
665	A - Log Chopping	GNU C++14	games implementation math *800	Apr/23/2022 07:07
664	D - Insert a Progression	GNU C++14	brute force constructive algorithms greedy *1600	Apr/22/2022 08:39
663	C - Dolce Vita	GNU C++14	binary search brute force greedy math *1200	Apr/22/2022 08:31
662	B - Consecutive Points Segment	GNU C++14	brute force math sortings *1000	Apr/22/2022 07:49
661	A - String Building	GNU C++14	implementation *800	Apr/22/2022 07:37
660	A - Make it Increasing	GNU C++14	brute force greedy math *1300	Apr/19/2022 13:42
659	D - Dr. Evil Underscores	GNU C++14	bitmasks brute force dfs and similar divide and conquer dp greedy strings trees *1900	Apr/18/2022 08:22
658	D - Reverse Sort Sum	GNU C++14	constructive algorithms data structures greedy implementation math two pointers *1900	Apr/17/2022 09:07
657	C - Line Empire	GNU C++14	binary search brute force dp greedy implementation math *1500	Apr/17/2022 08:41
656	B - Bit Flipping	GNU C++14	bitmasks constructive algorithms greedy strings *1300	Apr/17/2022 08:10
655	A - Red Versus Blue	GNU C++14	constructive algorithms greedy implementation math *1000	Apr/17/2022 07:57
654	C - Water the Trees	GNU C++14	binary search greedy math *1700	Apr/09/2022 08:07
653	B - Getting Zero	GNU C++14	bitmasks brute force dfs and similar dp graphs greedy shortest paths *1300	Apr/09/2022 07:51
652	A - Array Balancing	GNU C++14	greedy math *800	Apr/09/2022 07:37
651	D - Is it rated - 3	GNU C++14	*special problem combinatorics dp math	Apr/01/2022 08:31
650	C - Pōja Verdon	GNU C++14	*special problem implementation math	Apr/01/2022 08:07
649	B - Mike's Sequence	GNU C++14	*special problem divide and conquer implementation math	Apr/01/2022 08:03
648	A - Who Tested?	GNU C++14	*special problem expression parsing trees	Apr/01/2022 08:03
647	E - Equal Tree Sums	GNU C++14	constructive algorithms dfs and similar math trees *2200	Mar/24/2022 15:50
646	D - K-good	GNU C++14	constructive algorithms math number theory *1900	Mar/24/2022 08:32
645	C - Make Equal With Mod	GNU C++14	constructive algorithms math number theory sortings *1200	Mar/24/2022 07:56
644	B - Subtract Operation	GNU C++14	data structures greedy math two pointers *1100	Mar/24/2022 07:40
643	A - Good Pairs	GNU C++14	math sortings *800	Mar/24/2022 07:37
642	D - Bouncing Boomerangs	GNU C++14	constructive algorithms greedy implementation *1900	Feb/27/2022 14:48
641	C1 - Power Transmission (Easy Edition)	GNU C++14	brute force geometry *1900	Feb/26/2022 15:07
640	C2 - Power Transmission (Hard Edition)	GNU C++14	data structures geometry implementation math *1900	Feb/26/2022 15:03
639	C - Mortal Kombat Tower	GNU C++14	dp graphs greedy shortest paths *1500	Feb/24/2022 18:12
638	E - Cars	GNU C++14	2-sat constructive algorithms dfs and similar dsu graphs greedy sortings *2200	Feb/20/2022 08:25
637	D - Infinite Set	GNU C++14	bitmasks dp math matrices number theory strings *1800	Feb/20/2022 07:38
636	C - Differential Sorting	GNU C++14	constructive algorithms greedy *1200	Feb/20/2022 06:57
635	B - Avoid Local Maximums	GNU C++14	greedy *800	Feb/20/2022 06:48
634	A - Min Or Sum	GNU C++14	bitmasks greedy *800	Feb/20/2022 06:36
633	D - Backspace	GNU C++14	dp greedy strings two pointers *1500	Feb/13/2022 17:35
632	D - Divisible by Twenty-Five	GNU C++14	brute force dfs and similar dp *1800	Feb/10/2022 22:37
631	D - Minimum Euler Cycle	GNU C++14	constructive algorithms graphs greedy implementation *1800	Feb/10/2022 22:20
630	D - Finding Zero	GNU C++14	constructive algorithms greedy interactive	Feb/06/2022 10:01
629	C - OKEA	GNU C++14	constructive algorithms	Feb/06/2022 06:52
628	B - Fortune Telling	GNU C++14	bitmasks math	Feb/06/2022 06:43
627	A - Reverse and Concatenate	GNU C++14	greedy strings	Feb/06/2022 06:38
626	B - Ania and Minimizing	GNU C++14	greedy implementation *1000	Feb/02/2022 13:34
625	C - Kicker	GNU C++14	implementation *1700	Feb/02/2022 13:32
624	C - Ball in Berland	GNU C++14	combinatorics graphs math *1400	Feb/02/2022 13:20
623	D - Vasya And The Matrix	GNU C++14	constructive algorithms flows math *1800	Feb/01/2022 14:28
622	C - Socks	GNU C++14	dfs and similar dsu graphs greedy *1600	Feb/01/2022 14:18
621	A - Keanu Reeves	GNU C++14	strings *800	Feb/01/2022 13:34
620	A - Three Friends	GNU C++14	brute force greedy math sortings *900	Feb/01/2022 11:38
619	C - Strange Test	GNU C++14	binary search bitmasks brute force dp math *1600	Jan/30/2022 09:34
618	B - Roof Construction	GNU C++14	bitmasks constructive algorithms *1000	Jan/30/2022 06:42
617	A - ABC	GNU C++14	implementation *800	Jan/30/2022 06:36
616	B - Bear and Different Names	GNU C++14	constructive algorithms greedy *1500	Jan/28/2022 12:21
615	A - Chess Tourney	GNU C++14	implementation sortings *1100	Jan/26/2022 08:45
614	A - Alyona and copybooks	GNU C++14	brute force implementation *1300	Jan/26/2022 08:37
613	F - Array Stabilization (AND version)	GNU C++14	brute force graphs math number theory shortest paths *1700	Jan/26/2022 08:31
612	A - Counting Kangaroos is Fun	GNU C++14	binary search greedy sortings two pointers *1600	Jan/26/2022 08:19
611	C - New Year and the Sphere Transmission	GNU C++14	math number theory *1400	Jan/26/2022 08:13
610	A - Not Shading	GNU C++14	constructive algorithms implementation *800	Jan/15/2022 09:08
609	F - Not Splitting	GNU C++17	geometry graphs greedy implementation shortest paths *2700	Jan/15/2022 09:07
608	A - Vacations	GNU C++14	dp *1400	Jan/07/2022 23:21
607	E1 - Numerical Sequence (easy version)	GNU C++14	binary search brute force math *1900	Jan/05/2022 00:13
606	C - The Intriguing Obsession	GNU C++14	combinatorics dp math *1800	Jan/04/2022 23:30
605	C - Representative Edges	GNU C++14	brute force geometry implementation math *1500	Dec/29/2021 10:01
604	B - Mirror in the String	GNU C++14	greedy strings *1100	Dec/29/2021 07:46
603	A - Integer Diversity	GNU C++14	implementation *800	Dec/29/2021 07:37
602	F - Moving Points	GNU C++14	data structures divide and conquer implementation sortings *1900	Dec/24/2021 17:36
601	B - Chemical table	GNU C++14	constructive algorithms dfs and similar dsu graphs matrices *1900	Dec/24/2021 16:52
600	C - Menorah	GNU C++14	brute force graphs greedy math *1600	Dec/24/2021 07:38
599	B - And It's Non-Zero	GNU C++14	bitmasks greedy math *1300	Dec/24/2021 07:05
598	A - Closing The Gap	GNU C++14	greedy math *800	Dec/24/2021 06:36
597	G - Privatization of Roads in Treeland	GNU C++14	binary search constructive algorithms dfs and similar graphs greedy trees *1900	Dec/22/2021 19:17
596	D - Array Splitting	GNU C++14	greedy sortings *1900	Dec/22/2021 18:50
595	E - Replace the Numbers	GNU C++14	constructive algorithms data structures dsu implementation *1900	Dec/21/2021 18:45
594	D - Inconvenient Pairs	GNU C++14	binary search data structures implementation sortings two pointers *1900	Dec/21/2021 18:35
593	B - Mashmokh and ACM	GNU C++14	combinatorics dp number theory *1400	Dec/10/2021 17:49
592	D - Social Network	GNU C++14	dsu graphs greedy implementation trees *1600	Nov/28/2021 07:57
591	C - Complex Market Analysis	GNU C++14	binary search dp implementation number theory schedules two pointers *1400	Nov/28/2021 07:00
590	B - William the Vigilant	GNU C++14	implementation strings *1100	Nov/28/2021 06:48
589	A - Divide and Multiply	GNU C++14	greedy implementation math number theory *900	Nov/28/2021 06:41
588	E - Unsolvable	GNU C++14	math number theory *2100	Nov/26/2021 22:32
587	D - Not Quite Lee	GNU C++14	combinatorics dp math number theory *2000	Nov/23/2021 08:32
586	B - Kalindrome Array	GNU C++14	greedy two pointers *1100	Nov/23/2021 06:57
585	A - Anti Light's Cell Guessing	GNU C++14	math *900	Nov/23/2021 06:39
584	B - Restaurant	GNU C++14	dp greedy sortings *1600	Nov/15/2021 13:21
583	B - Guess the Permutation	GNU C++14	binary search combinatorics implementation interactive *2000	Nov/14/2021 09:42
582	A - Two Arrays	GNU C++14	graph matchings greedy math sortings *900	Nov/13/2021 22:13
581	D - Treelabeling	GNU C++14	bitmasks constructive algorithms dfs and similar games greedy implementation trees *2100	Nov/12/2021 11:03
580	D - Winter Is Coming	GNU C++14	dp greedy sortings *1800	Nov/08/2021 13:46
579	E - Robot on the Board 1	GNU C++14	implementation *1600	Nov/02/2021 09:12
578	D - Blue-Red Permutation	GNU C++14	greedy math sortings *1300	Nov/02/2021 08:49
577	C - Minimum Extraction	GNU C++14	brute force sortings *1000	Nov/02/2021 08:44
576	B - Odd Grasshopper	GNU C++14	math *900	Nov/02/2021 08:37
575	A - Linear Keyboard	GNU C++14	implementation strings *800	Nov/02/2021 08:34
574	A - Era	GNU C++14	greedy *800	Oct/30/2021 10:30
573	B - XOR Specia-LIS-t	GNU C++14	*1100	Oct/30/2021 10:30
572	A - Di-visible Confusion	GNU C++14	constructive algorithms math number theory *1300	Oct/30/2021 10:30
571	B - Moderate Modular Mode	GNU C++14	constructive algorithms math number theory *1600	Oct/30/2021 10:30
570	A - About Bacteria	GNU C++14	implementation math *1700	Oct/20/2021 09:18
569	B - Lost Numbers	GNU C++14	brute force divide and conquer interactive math *1400	Oct/14/2021 15:50
568	F - Ideal Farm	GNU C++14	constructive algorithms math *2400	Oct/08/2021 13:36
567	E1 - Rubik's Cube Coloring (easy version)	GNU C++14	combinatorics math *1300	Oct/08/2021 13:17
566	B - Special Numbers	GNU C++14	bitmasks math *1100	Oct/08/2021 13:16
565	C - Make Them Equal	GNU C++14	brute force greedy math strings *1200	Oct/08/2021 13:16
564	D - The Number of Imposters	GNU C++14	constructive algorithms dfs and similar dp dsu graphs *1700	Oct/08/2021 13:16
563	A - Sequence of Comparisons	Kotlin 1.4	*special problem *800	Oct/07/2021 08:03
562	C - Bakry and Partitioning	GNU C++14	bitmasks constructive algorithms dfs and similar dp graphs trees *1700	Oct/03/2021 08:55
561	B - Hemose Shopping	GNU C++14	constructive algorithms dsu math sortings *1200	Oct/03/2021 07:45
560	A - Gamer Hemose	GNU C++14	binary search greedy math sortings *800	Oct/03/2021 07:38
559	B - Hills And Valleys	GNU C++14	brute force implementation *1700	Oct/02/2021 17:15
558	C - Manhattan Subarrays	GNU C++14	brute force geometry greedy implementation *1700	Oct/02/2021 16:55
557	E1 - Three Blocks Palindrome (easy version)	GNU C++14	binary search brute force data structures dp two pointers *1700	Oct/02/2021 16:45
556	C - Posterized	GNU C++14	games greedy *1700	Oct/01/2021 23:06
555	A - A+B (Trial Problem)	Kotlin 1.4	*special problem	Oct/01/2021 20:46
554	C1 - Heidi and the Turing Test (Easy)	GNU C++14	implementation *1600	Oct/01/2021 17:48
553	E2 - Array Optimization by Deque	GNU C++14	data structures greedy *1700	Sep/28/2021 09:26
552	B - Shifting Sort	GNU C++14	implementation sortings *1100	Sep/28/2021 08:52
551	C - Ticks	GNU C++14	greedy implementation *1500	Sep/28/2021 08:52
550	D - Productive Meeting	GNU C++14	constructive algorithms graphs greedy *1400	Sep/28/2021 08:52
549	E1 - Permutation Minimization by Deque	GNU C++14	constructive algorithms greedy math *1000	Sep/28/2021 08:52
548	A - Casimir's String Solitaire	GNU C++14	math strings *800	Sep/28/2021 08:51
547	C - Serval and Parenthesis Sequence	GNU C++14	greedy strings *1700	Sep/26/2021 10:44
546	C1 - Guessing the Greatest (easy version)	GNU C++14	binary search interactive *1600	Sep/24/2021 20:05
545	C2 - Guessing the Greatest (hard version)	GNU C++14	binary search interactive *1900	Sep/24/2021 20:05
544	M - Ancient Language	GNU C++14	graphs sortings *2200	Sep/23/2021 17:35
543	D - Stars	GNU C++14	constructive algorithms geometry *2300	Sep/14/2021 10:03
542	D - Santa's Bot	GNU C++14	combinatorics math probabilities *1700	Sep/14/2021 08:52
541	D - Power Products	GNU C++14	hashing math number theory *1800	Sep/14/2021 08:22
540	C - Diluc and Kaeya	GNU C++14	data structures dp hashing number theory *1500	Sep/13/2021 22:12
539	E - Buds Re-hanging	GNU C++14	constructive algorithms dfs and similar dp greedy trees *2000	Sep/12/2021 10:00
538	D2 - Seating Arrangements (hard version)	GNU C++14	data structures greedy implementation sortings two pointers *1600	Sep/12/2021 08:36
537	C - MAX-MEX Cut	GNU C++14	bitmasks constructive algorithms dp greedy *1000	Sep/12/2021 08:12
536	D1 - Seating Arrangements (easy version)	GNU C++14	data structures greedy sortings *1100	Sep/12/2021 07:58
535	B - MIN-MEX Cut	GNU C++14	bitmasks constructive algorithms dp greedy *800	Sep/12/2021 07:42
534	A - Median Maximization	GNU C++14	binary search greedy math *800	Sep/12/2021 07:36
533	A - Domino Disaster	GNU C++14	implementation strings *800	Sep/05/2021 11:55
532	B - MEXor Mixup	GNU C++14	bitmasks greedy *1000	Sep/05/2021 11:55
531	C - Carrying Conundrum	GNU C++14	bitmasks combinatorics dp math *1600	Sep/05/2021 11:55
530	D - Expression Evaluation Error	GNU C++14	constructive algorithms greedy implementation math *2000	Sep/05/2021 11:55
529	E - Non-Decreasing Dilemma	GNU C++14	data structures divide and conquer math *2200	Sep/05/2021 11:55
528	F - One-Four Overload	GNU C++14	2-sat constructive algorithms dfs and similar dsu graphs implementation *2700	Sep/05/2021 11:55
527	D - Take a Guess	GNU C++14	bitmasks constructive algorithms interactive math *1800	Aug/29/2021 09:32
526	C - Compressed Bracket Sequence	GNU C++14	brute force implementation *1800	Aug/29/2021 09:17
525	B - Take Your Places!	GNU C++14	implementation *1300	Aug/29/2021 07:45
524	A - A Variety of Operations	GNU C++14	math *800	Aug/29/2021 07:37
523	E - Bottom-Tier Reversals	GNU C++14	constructive algorithms *2000	Aug/24/2021 09:39
522	C - Deep Down Below	GNU C++14	binary search greedy sortings *1300	Aug/24/2021 08:28
521	B - Charmed by the Game	GNU C++14	brute force math *1300	Aug/24/2021 08:20
520	A - Simply Strange Sort	GNU C++14	brute force implementation sortings *800	Aug/24/2021 07:40
519	A - Mr. Kitayuta's Gift	GNU C++14	brute force implementation strings *1100	Aug/22/2021 11:42
518	A - Local Extrema	GNU C++14	brute force implementation *800	Aug/22/2021 11:37
517	A - Contest for Robots	GNU C++14	greedy *900	Aug/22/2021 11:15
516	A - New Bus Route	GNU C++14	implementation sortings *1100	Aug/22/2021 11:08
515	E - Polycarp and String Transformation	GNU C++14	binary search implementation sortings strings *1800	Aug/18/2021 09:24
514	F1 - Nearest Beautiful Number (easy version)	GNU C++14	binary search bitmasks brute force constructive algorithms dfs and similar greedy *1900	Aug/18/2021 09:04
513	D - Make a Power of Two	GNU C++14	greedy math strings *1300	Aug/18/2021 08:22
512	C - Infinity Table	GNU C++14	implementation math *800	Aug/18/2021 07:58
511	B - Who's Opposite?	GNU C++14	math *800	Aug/18/2021 07:46
510	A - Dislike of Threes	GNU C++14	implementation *800	Aug/18/2021 07:36
509	D2 - Domino (hard version)	GNU C++14	constructive algorithms implementation math *2100	Aug/17/2021 10:35
508	D1 - Domino (easy version)	GNU C++14	constructive algorithms math *1700	Aug/17/2021 10:08
507	D1 - Mocha and Diana (Easy Version)	GNU C++14	brute force constructive algorithms dsu graphs greedy trees *1400	Aug/15/2021 08:19
506	C - Mocha and Hiking	GNU C++14	constructive algorithms graphs *1200	Aug/15/2021 07:56
505	B - Mocha and Red and Blue	GNU C++14	dp greedy *900	Aug/15/2021 07:47
504	A - Mocha and Math	GNU C++14	bitmasks constructive algorithms math *900	Aug/15/2021 07:38
503	B - Intersection	GNU C++14	implementation math *2000	Aug/13/2021 12:20
502	C - Industrial Nim	GNU C++14	games *2000	Aug/13/2021 11:34
501	C - Digital Root	GNU C++14	number theory *2000	Aug/13/2021 11:16
500	B - Equation	GNU C++14	math *2000	Aug/13/2021 10:45
499	A - Odd Divisor	GNU C++14	math number theory *900	Aug/13/2021 10:10
498	C - Mirror Box	GNU C++14	geometry implementation *2000	Aug/12/2021 09:22
497	E - Intercity Travelling	GNU C++14	combinatorics math probabilities *2000	Aug/10/2021 13:39
496	A - Ezzat and Two Subsequences	GNU C++14	brute force math sortings *800	Aug/09/2021 10:49
495	C - Moamen and XOR	GNU C++14	bitmasks combinatorics dp math matrices *1700	Aug/09/2021 08:50
494	B - Moamen and k-subarrays	GNU C++14	greedy sortings *1100	Aug/09/2021 07:51
493	D - Restoration of string	GNU C++14	constructive algorithms graphs implementation *2000	Aug/08/2021 13:24
492	B - Wrong Answer	GNU C++14	constructive algorithms *2000	Aug/07/2021 17:16
491	E - Petya and Construction Set	GNU C++14	constructive algorithms graphs math sortings trees *2000	Aug/07/2021 16:03
490	D - Kilani and the Game	GNU C++14	dfs and similar graphs implementation shortest paths *1900	Aug/06/2021 18:15
489	C - Ayoub and Lost Array	GNU C++14	combinatorics dp math *1500	Aug/06/2021 16:58
488	B - Zuhair and Strings	GNU C++14	brute force implementation strings *1100	Aug/06/2021 16:47
487	A - Salem and Sticks	GNU C++14	brute force implementation *1100	Aug/06/2021 16:42
486	D - Integers Have Friends	GNU C++14	binary search data structures math two pointers *1800	Aug/01/2021 14:25
485	C - Web of Lies	GNU C++14	graphs greedy *1400	Aug/01/2021 08:07
484	B - Gregor and the Pawn Game	GNU C++14	dfs and similar dp flows graph matchings graphs greedy implementation *800	Aug/01/2021 07:51
483	A - Gregor and Cryptography	GNU C++14	math number theory *800	Aug/01/2021 07:36
482	D - Say No to Palindromes	GNU C++14	brute force constructive algorithms dp strings *1600	Jul/30/2021 08:29
481	C - Coin Rows	GNU C++14	brute force constructive algorithms dp implementation *1300	Jul/30/2021 07:56
480	B - Two Tables	GNU C++14	brute force *1300	Jul/30/2021 07:50
479	A - PizzaForces	GNU C++14	brute force math *900	Jul/30/2021 07:37
478	D - Diane	GNU C++14	constructive algorithms greedy strings *1800	Jul/29/2021 10:36
477	B - Cobb	GNU C++14	bitmasks brute force greedy math *1700	Jul/29/2021 10:35
476	C - Mikasa	GNU C++14	binary search bitmasks greedy implementation *1800	Jul/29/2021 10:35
475	A - Cherry	GNU C++14	greedy *800	Jul/29/2021 07:38
474	A - Anton and Letters	GNU C++14	constructive algorithms implementation *800	Jul/27/2021 09:58
473	A - Coder	GNU C++14	implementation *800	Jul/27/2021 09:58
472	A - Collecting Beats is Fun	GNU C++14	implementation *900	Jul/27/2021 09:58
471	B - Fox and Cross	GNU C++14	greedy implementation *1100	Jul/27/2021 09:58
470	B - Archer	GNU C++14	math probabilities *1300	Jul/27/2021 09:58
469	D - Array Differentiation	GNU C++14	bitmasks brute force constructive algorithms dfs and similar dp graphs math *1800	Jul/25/2021 10:58
468	C - Maximize the Intersections	GNU C++14	combinatorics constructive algorithms geometry greedy sortings *1800	Jul/25/2021 10:09
467	B - Running for Gold	GNU C++14	combinatorics graphs greedy sortings *1500	Jul/25/2021 07:47
466	A - Subsequence Permutation	GNU C++14	sortings strings *800	Jul/25/2021 07:39
465	D - Unshuffling a Deck	GNU C++14	constructive algorithms implementation *2000	Jul/24/2021 08:58
464	B - Chess Cheater	GNU C++14	greedy implementation sortings *1400	Jul/23/2021 22:44
463	C - Penalty	GNU C++14	bitmasks brute force dp greedy *1200	Jul/22/2021 08:15
462	B - Reverse String	GNU C++14	brute force dp hashing implementation strings *1300	Jul/22/2021 08:05
461	A - Digits Sum	GNU C++14	math number theory *800	Jul/22/2021 07:36
460	B - Blocks	GNU C++14	greedy math *1300	Jul/18/2021 09:16
459	C - Shawarma Tent	GNU C++14	brute force geometry greedy implementation *1300	Jul/18/2021 09:12
458	A - Suits	GNU C++14	brute force greedy math *800	Jul/18/2021 08:58
457	D - Secret Santa	GNU C++14	constructive algorithms flows graphs greedy math *1600	Jul/17/2021 15:14
456	C - Pursuit	GNU C++14	binary search brute force greedy sortings *1200	Jul/17/2021 08:32
455	B - Putting Plates	GNU C++14	constructive algorithms implementation *800	Jul/17/2021 08:06
454	A - Binary Decimal	GNU C++14	greedy math *800	Jul/17/2021 07:36
453	B - Navigation System	GNU C++14	dfs and similar graphs shortest paths *1700	Jul/10/2021 18:42
452	A - Journey Planning	GNU C++14	data structures dp greedy math sortings *1400	Jul/10/2021 17:35
451	E - Down or Right	GNU C++14	constructive algorithms interactive matrices *2100	Jul/04/2021 17:14
450	D - Array Restoration	GNU C++14	constructive algorithms data structures *1700	Jul/04/2021 16:39
449	C - Bracket Subsequence	GNU C++14	greedy *1200	Jul/04/2021 16:21
448	B - Pair of Toys	GNU C++14	math *1000	Jul/04/2021 16:02
447	A - Single Wildcard Pattern Matching	GNU C++14	brute force implementation strings *1200	Jul/04/2021 15:51
446	A - Prefix Sum Primes	GNU C++14	constructive algorithms greedy math number theory *1200	Jul/04/2021 12:37
445	B1 - Send Boxes to Alice (Easy Version)	GNU C++14	constructive algorithms greedy math number theory ternary search two pointers *1800	Jul/03/2021 17:26
444	A - Feeding Chicken	GNU C++14	constructive algorithms greedy implementation *1700	Jul/03/2021 16:49
443	D - Fafa and Ancient Alphabet	GNU C++14	math probabilities *1900	Jul/01/2021 22:35
442	A - Great Graphs	GNU C++14	constructive algorithms graphs greedy shortest paths sortings *1400	Jun/25/2021 08:49
441	D - Equalize the Remainders	GNU C++14	data structures greedy implementation *1900	Jun/24/2021 14:49
440	D - Dreamoon and Sets	GNU C++14	constructive algorithms greedy math *1900	Jun/21/2021 17:00
439	E - Subsequences (easy version)	GNU C++14	dp graphs implementation shortest paths *2000	Jun/21/2021 16:46
438	H - Subsequences (hard version)	GNU C++14	dp strings *1900	Jun/21/2021 16:40
437	C1 - Balanced Removals (Easier)	GNU C++14	constructive algorithms geometry greedy *1700	Jun/20/2021 22:58
436	C2 - Balanced Removals (Harder)	GNU C++14	binary search constructive algorithms divide and conquer greedy implementation sortings *1900	Jun/20/2021 22:56
435	C - Insertion Sort	GNU C++14	data structures dp implementation math *1900	Jun/20/2021 10:24
434	E - Tree Reconstruction	GNU C++14	constructive algorithms data structures graphs greedy *1900	Jun/19/2021 19:37
433	D - Cow and Fields	GNU C++14	binary search data structures dfs and similar graphs greedy shortest paths sortings *1900	Jun/19/2021 18:40
432	E - XOR Guessing	GNU C++14	bitmasks interactive math *1900	Jun/18/2021 16:03
431	E1 - Erase and Extend (Easy Version)	GNU C++14	binary search brute force dp greedy hashing implementation string suffix structures strings two pointers *1600	Jun/18/2021 08:19
430	D - Deleting Divisors	GNU C++14	games math number theory *1700	Jun/18/2021 08:05
429	C - Challenging Cliffs	GNU C++14	constructive algorithms greedy implementation math *1200	Jun/18/2021 07:54
428	B - Bad Boy	GNU C++14	constructive algorithms greedy math *900	Jun/18/2021 07:46
427	A - Arithmetic Array	GNU C++14	greedy math *800	Jun/18/2021 07:38
426	C - Tic-tac-toe	GNU C++14	brute force games implementation *1800	Jun/15/2021 18:26
425	D - Colored Rectangles	GNU C++14	dp greedy sortings *1800	Jun/15/2021 17:31
424	C - Garland	GNU C++14	dp greedy sortings *1800	Jun/14/2021 18:11
423	A - Multicolored Marbles	GNU C++14	dp math *1600	Jun/14/2021 11:14
422	D - Lost Tree	GNU C++14	constructive algorithms interactive trees *1800	Jun/13/2021 09:12
421	C - Little Alawn's Puzzle	GNU C++14	combinatorics dp dsu graphs math *1300	Jun/13/2021 08:49
420	B - Histogram Ugliness	GNU C++14	greedy implementation math *1100	Jun/13/2021 08:44
419	A - Colour the Flag	GNU C++14	brute force implementation *800	Jun/13/2021 08:39
418	D - Anton and Chess	GNU C++14	implementation *1700	Jun/06/2021 13:10
417	E - Omkar and Forest	GNU C++14	combinatorics graphs math shortest paths *2300	Jun/06/2021 12:08
416	C - Unstable String	GNU C++14	binary search dp greedy implementation strings two pointers *1400	Jun/04/2021 11:43
415	D - Playoff Tournament	GNU C++14	data structures dfs and similar dp implementation trees *1800	Jun/04/2021 11:43
414	B - Array Reodering	GNU C++14	brute force greedy math number theory sortings *900	Jun/04/2021 07:41
413	A - Fair Playoff	GNU C++14	brute force implementation *800	Jun/04/2021 07:37
412	D - Toy Sum	GNU C++14	greedy implementation math *1700	Jun/03/2021 10:35
411	A - Karen and Game	GNU C++14	brute force greedy implementation *1700	Jun/03/2021 10:14
410	B - Game of the Rows	GNU C++14	brute force greedy implementation *1900	May/26/2021 08:22
409	B - Products of Min-Max	C++ (GCC 9.2.1)	AtCoder *400	May/11/2021 09:18
408	C - Coprime Set	C++ (GCC 9.2.1)	AtCoder *500	May/11/2021 09:12
407	A - Odd vs Even	C++ (GCC 9.2.1)	AtCoder *300	May/10/2021 22:36
406	A - Ilya and a Colorful Walk	GNU C++14	greedy implementation *1100	May/10/2021 22:14
405	H - ZS Shuffles Cards	GNU C++14	combinatorics dp math probabilities *3000	May/10/2021 21:53
404	E - Arranging The Sheep	GNU C++14	greedy math *1400	May/05/2021 08:26
403	B - Ordinary Numbers	GNU C++14	brute force math number theory *800	May/05/2021 08:20
402	D - Same Differences	GNU C++14	data structures hashing math *1200	May/05/2021 08:15
401	C - Not Adjacent Matrix	GNU C++14	constructive algorithms *1000	May/05/2021 08:11
400	A - Do Not Be Distracted!	GNU C++14	brute force implementation *800	May/05/2021 08:08
399	C - Phoenix and Towers	GNU C++14	constructive algorithms data structures greedy *1400	May/02/2021 09:38
398	A - Phoenix and Gold	GNU C++14	constructive algorithms greedy math *800	May/02/2021 08:11
397	B - Phoenix and Puzzle	GNU C++14	brute force geometry math number theory *1000	May/02/2021 07:50
396	C - Berland Regional	GNU C++14	brute force data structures greedy number theory sortings *1400	Apr/29/2021 10:06
395	C - Pipes	GNU C++14	dp implementation *1500	Apr/28/2021 08:04
394	C - Journey	GNU C++14	dfs and similar dp graphs probabilities trees *1500	Apr/27/2021 21:49
393	E1 - Stars Drawing (Easy Edition)	GNU C++14	brute force dp greedy *1700	Apr/27/2021 09:35
392	B - Minimal Cost	GNU C++14	brute force math *1200	Apr/26/2021 21:15
391	A - K-th Largest Value	GNU C++14	brute force greedy implementation *800	Apr/26/2021 21:08
390	E - Binary Numbers AND Sum	GNU C++14	data structures implementation math *1700	Apr/26/2021 14:24
389	A - Tit for Tat	GNU C++14	greedy *800	Apr/21/2021 09:16
388	C - Baby Ehab Partitions Again	GNU C++14	bitmasks constructive algorithms dp math *1700	Apr/21/2021 09:02
387	B - AGAGA XOOORRR	GNU C++14	bitmasks brute force dp greedy *1500	Apr/21/2021 09:02
386	D - Three Logos	GNU C++14	bitmasks brute force constructive algorithms geometry implementation math *1700	Apr/20/2021 12:01
385	C - Product 1 Modulo N	GNU C++14	greedy number theory *1600	Apr/19/2021 09:39
384	B - Almost Sorted	GNU C++14	binary search combinatorics constructive algorithms implementation *1800	Apr/16/2021 10:16
383	C - Floor and Mod	GNU C++14	binary search brute force math number theory *1700	Apr/13/2021 22:24
382	D - Min Cost String	GNU C++14	brute force constructive algorithms graphs greedy strings *1600	Apr/12/2021 09:44
381	B - AND Sequences	GNU C++14	bitmasks combinatorics constructive algorithms math *1400	Apr/11/2021 08:53
380	C - Add One	GNU C++14	dp matrices *1600	Apr/11/2021 08:23
379	A - Array and Peaks	GNU C++14	constructive algorithms implementation *800	Apr/11/2021 07:41
378	C - Balance the Bits	GNU C++14	constructive algorithms greedy	Apr/03/2021 09:03
377	D - 3-Coloring	GNU C++14	constructive algorithms games graphs interactive	Apr/03/2021 08:42
376	B - Flip the Bits	GNU C++14	greedy implementation math math	Apr/03/2021 07:50
375	A - Déjà Vu	GNU C++14	constructive algorithms	Apr/03/2021 07:39
374	C - Fibonacci Words	GNU C++14	constructive algorithms implementation	Apr/01/2021 09:25
373	F - Math	GNU C++14	constructive algorithms math	Apr/01/2021 08:40
372	B - DMCA	GNU C++14	constructive algorithms implementation number theory	Apr/01/2021 08:26
371	A - Is it rated - 2	GNU C++14	implementation interactive	Apr/01/2021 08:01
370	E - Tetrahedron	GNU C++14	dp math matrices *1500	Mar/30/2021 18:30
369	B - Box Fitting	GNU C++14	binary search bitmasks data structures greedy	Mar/29/2021 08:19
368	A - GCD Sum	GNU C++14	brute force math	Mar/29/2021 07:38
367	D - Genius's Gambit	GNU C++14	bitmasks constructive algorithms greedy math *1900	Mar/28/2021 17:03
366	B - Card Deck	GNU C++14	data structures greedy math *1100	Mar/28/2021 16:35
365	A - Three swimmers	GNU C++14	math *800	Mar/28/2021 15:57
364	F - Make It Connected	GNU C++14	dsu graphs greedy *1900	Mar/20/2021 11:24
363	C - Problem for Nazar	GNU C++14	constructive algorithms math *1800	Feb/21/2021 09:49
362	C - Uncle Bogdan and Country Happiness	GNU C++14	dfs and similar greedy math trees *1800	Feb/19/2021 11:10
361	D - Multiples and Power Differences	GNU C++14	constructive algorithms math number theory *2200	Feb/12/2021 07:32
360	B - Replace and Keep Sorted	GNU C++14	dp implementation math *1200	Feb/12/2021 07:21
359	A - Add and Divide	GNU C++14	brute force greedy math ternary search *1000	Feb/12/2021 07:09
358	G - Path Queries	GNU C++14	divide and conquer dsu graphs sortings trees *1800	Feb/10/2021 08:55
357	C - Table Decorations	GNU C++14	greedy *1800	Feb/07/2021 17:37
356	C - Searching Local Minimum	GNU C++14	binary search interactive math ternary search *1700	Feb/07/2021 07:14
355	B - The Great Hero	GNU C++14	greedy implementation sortings *900	Feb/07/2021 06:58
354	A - Yet Another String Game	GNU C++14	games greedy strings *800	Feb/07/2021 06:37
353	D - Polyline	GNU C++14	constructive algorithms implementation *1700	Jan/31/2021 13:41
352	A - Save Energy!	GNU C++14	binary search implementation math *1700	Jan/31/2021 12:24
351	D - Artsem and Saunders	GNU C++14	constructive algorithms dsu math *1700	Jan/30/2021 22:54
350	A - Alyona and mex	GNU C++14	constructive algorithms greedy *1700	Jan/30/2021 09:08
349	D - Div Game	C++ (GCC 9.2.1)	AtCoder *400	Jan/23/2021 21:34
348	A - Cows and Sequence	GNU C++14	constructive algorithms data structures implementation *1600	Jan/19/2021 17:31
347	E - Military Problem	GNU C++14	dfs and similar graphs trees *1600	Jan/19/2021 16:51
346	E - Squares and not squares	GNU C++14	constructive algorithms greedy *1600	Jan/19/2021 14:19
345	C - Fox And Names	GNU C++14	dfs and similar graphs sortings *1600	Jan/19/2021 12:46
344	C - Andryusha and Colored Balloons	GNU C++14	dfs and similar graphs greedy trees *1600	Jan/18/2021 23:14
343	C - Nastya and a Wardrobe	GNU C++14	math *1600	Jan/13/2021 16:18
342	C - Quiz	GNU C++14	binary search greedy math matrices number theory *1600	Jan/13/2021 09:34
341	B - Three-level Laser	GNU C++14	binary search greedy two pointers *1600	Jan/12/2021 20:16
340	E - Sequence Matching	C++ (GCC 9.2.1)	AtCoder *500	Jan/08/2021 22:43
339	D - Stamp	C++ (GCC 9.2.1)	AtCoder *400	Jan/08/2021 21:43
338	C - Duodecim Ferra	C++ (GCC 9.2.1)	AtCoder *300	Jan/08/2021 21:28
337	B - Smartphone Addiction	C++ (GCC 9.2.1)	AtCoder *200	Jan/08/2021 21:25
336	A - ABC Preparation	C++ (GCC 9.2.1)	AtCoder *100	Jan/08/2021 21:20
335	D - Strange Definition	GNU C++14	bitmasks graphs hashing math number theory *1900	Jan/05/2021 09:45
334	C - Strange Birthday Party	GNU C++14	brute force greedy sortings *1300	Jan/05/2021 07:14
333	B - Strange List	GNU C++14	brute force greedy implementation math *1100	Jan/05/2021 06:59
332	A - Strange Partition	GNU C++14	greedy math number theory *900	Jan/05/2021 06:41
331	D - Even-Odd Game	GNU C++14	dp games greedy sortings *1200	Jan/04/2021 07:38
330	C - Long Jumps	GNU C++14	dp graphs *1100	Jan/04/2021 06:50
329	B - Fair Division	GNU C++14	dp greedy math *800	Jan/04/2021 06:43
328	A - Cards for Friends	GNU C++14	greedy math *800	Jan/04/2021 06:38
327	D1 - Prefix-Suffix Palindrome (Easy version)	GNU C++14	hashing string suffix structures strings *1500	Jan/03/2021 09:42
326	D - 13th Labour of Heracles	GNU C++14	data structures greedy sortings trees *1500	Jan/03/2021 09:30
325	A - Nauuo and Cards	GNU C++14	greedy implementation *1800	Jan/02/2021 13:10
324	E - Apollo versus Pan	GNU C++14	bitmasks brute force math *1800	Dec/30/2020 09:01
323	B - Last minute enhancements	GNU C++14	dp greedy *800	Dec/30/2020 06:43
322	A - Bovine Dilemma	GNU C++14	brute force geometry math *800	Dec/30/2020 06:37
321	F - Integer Game	GNU C++14	constructive algorithms games interactive math *2600	Dec/29/2020 18:34
320	C - Building a Fence	GNU C++14	dp greedy implementation two pointers *1600	Dec/28/2020 08:25
319	B - Red and Blue	GNU C++14	dp greedy *1000	Dec/28/2020 06:46
318	A - Regular Bracket Sequence	GNU C++14	constructive algorithms greedy *1000	Dec/28/2020 06:36
317	C - Peaceful Rooks	GNU C++14	dfs and similar dsu greedy implementation *1700	Dec/20/2020 08:44
316	B - Fair Numbers	GNU C++14	brute force math number theory *1000	Dec/20/2020 07:19
315	A - In-game Chat	GNU C++14	implementation strings *800	Dec/20/2020 07:07
314	D - Swaps in Permutation	GNU C++14	dfs and similar dsu math *1700	Dec/19/2020 10:12
313	F1 - Spanning Tree with Maximum Degree	GNU C++14	graphs *1600	Dec/18/2020 12:26
312	A - LCM Challenge	GNU C++14	number theory *1600	Dec/18/2020 11:52
311	A - Rectangle Puzzle	GNU C++14	geometry *2000	Dec/17/2020 19:35
310	C - Perfect Keyboard	GNU C++14	dfs and similar greedy implementation *1600	Dec/17/2020 16:35
309	B - pSort	GNU C++14	dfs and similar dsu graphs *1600	Dec/17/2020 14:45
308	D - Road Map	GNU C++14	dfs and similar graphs *1600	Dec/17/2020 14:16
307	B - New Year Permutation	GNU C++14	dfs and similar dsu graphs greedy math sortings *1600	Dec/17/2020 13:50
306	C - Valera and Tubes	GNU C++14	constructive algorithms dfs and similar implementation *1500	Dec/17/2020 13:26
305	C - Minimum Value Rectangle	GNU C++14	greedy *1600	Dec/17/2020 12:58
304	C - Hamburgers	GNU C++14	binary search brute force *1600	Dec/09/2020 11:21
303	C - Bugged	C++ (GCC 9.2.1)	AtCoder *300	Dec/08/2020 21:19
302	C - Sentou	C++ (GCC 9.2.1)	AtCoder *300	Dec/08/2020 21:14
301	D - Ticket Game	GNU C++14	games greedy math *1700	Dec/08/2020 08:22
300	C2 - Errich-Tac-Toe (Hard Version)	GNU C++14	constructive algorithms math *2300	Dec/06/2020 12:09
299	C1 - Errich-Tac-Toe (Easy Version)	GNU C++14	constructive algorithms math *2100	Dec/06/2020 06:50
298	B - Balls of Steel	GNU C++14	brute force geometry greedy *1000	Dec/06/2020 06:41
297	A - Avoid Trygub	GNU C++14	constructive algorithms sortings *800	Dec/06/2020 06:36
296	C - The Smallest String Concatenation	GNU C++14	sortings strings *1700	Dec/05/2020 17:35
295	E - Cover it!	GNU C++14	dfs and similar dsu graphs shortest paths trees *1700	Dec/04/2020 12:16
294	G - Special Permutation	GNU C++14	constructive algorithms *1600	Dec/03/2020 21:26
293	C - Digits in Multiplication	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 18:12
292	C - Go Home	C++ (GCC 9.2.1)	AtCoder *200	Dec/02/2020 17:54
291	C - X: Yet Another Die Game	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 17:40
290	C - Factors of Factorial	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 17:33
289	C - One-stroke Path	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 14:15
288	C - Back and Forth	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 12:55
287	C - Lining Up	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 12:47
286	C - Big Array	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 12:41
285	C - Dubious Document	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 11:23
284	C - Ubiquity	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 09:39
283	C - Sum of product of pairs	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 09:23
282	C - H and V	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 09:09
281	C - Step	C++ (GCC 9.2.1)	AtCoder *300	Dec/02/2020 08:54
280	C - Find Pair	GNU C++14	implementation math sortings *1700	Dec/01/2020 21:19
279	E - Yet Another Task with Queens	GNU C++14	sortings *1700	Nov/29/2020 22:36
278	C - Bargain	GNU C++14	combinatorics dp math *1700	Nov/29/2020 21:07
277	B - Masha and geometric depression	GNU C++14	brute force implementation math *1700	Nov/28/2020 11:38
276	G - Circular Dungeon	GNU C++14	greedy math probabilities *2600	Nov/27/2020 22:58
275	C - Trailing Loves (or L'oeufs?)	GNU C++14	brute force implementation math number theory *1700	Nov/27/2020 22:07
274	C - Little Girl and Maximum Sum	GNU C++14	data structures greedy implementation sortings *1500	Nov/27/2020 12:06
273	B - Karen and Coffee	GNU C++14	binary search data structures implementation *1400	Nov/27/2020 11:53
272	A - Greg and Array	GNU C++14	data structures implementation *1400	Nov/27/2020 11:36
271	D1 - Coffee and Coursework (Easy version)	GNU C++14	brute force greedy *1700	Nov/26/2020 12:24
270	C - Annoying Present	GNU C++14	greedy math *1700	Nov/26/2020 12:07
269	E - Two Arrays and Sum of Functions	GNU C++14	greedy math sortings *1600	Nov/25/2020 11:49
268	A - Divisible by Seven	GNU C++14	math number theory *1600	Nov/25/2020 11:22
267	A - Special Permutation	GNU C++14	constructive algorithms probabilities *800	Nov/24/2020 22:36
266	C - Sequence Transformation	GNU C++14	greedy implementation *1200	Nov/24/2020 22:28
265	C - Palindromic Matrix	GNU C++14	constructive algorithms implementation *1700	Nov/24/2020 20:44
264	D - Statistics of Recompressing Videos	GNU C++14	*special problem data structures implementation *1600	Nov/24/2020 12:41
263	C - Engineer Artem	GNU C++14	2-sat chinese remainder theorem constructive algorithms fft flows *2000	Nov/24/2020 09:22
262	C - Palindrome Transformation	GNU C++14	brute force greedy implementation *1700	Nov/23/2020 18:11
261	A - Long Beautiful Integer	GNU C++14	constructive algorithms greedy implementation strings *1700	Nov/22/2020 12:26
260	C - System Administrator	GNU C++14	graphs *1700	Nov/21/2020 17:41
259	C - Polo the Penguin and XOR operation	GNU C++14	implementation math *1700	Nov/21/2020 16:29
258	D - Dasha and Very Difficult Problem	GNU C++14	binary search brute force constructive algorithms greedy sortings *1700	Nov/21/2020 15:57
257	B - Volatile Kite	GNU C++14	geometry *1800	Nov/21/2020 15:34
256	B - Non-Substring Subsequence	GNU C++14	dp greedy implementation strings *900	Nov/21/2020 07:11
255	A - Subtract or Divide	GNU C++14	greedy math *800	Nov/21/2020 06:53
254	C - Ayoub's function	GNU C++14	binary search combinatorics greedy math strings *1700	Nov/18/2020 10:31
253	A - Even Subset Sum Problem	GNU C++14	brute force dp greedy implementation *800	Nov/18/2020 08:32
252	A - QAQ	GNU C++14	brute force dp *800	Nov/18/2020 08:24
251	C - Knapsack	GNU C++14	constructive algorithms greedy math sortings *1300	Nov/15/2020 07:16
250	B - Numbers Box	GNU C++14	greedy math *1000	Nov/15/2020 06:52
249	A - Add Candies	GNU C++14	constructive algorithms math *800	Nov/15/2020 06:39
248	D - Taxes	GNU C++14	math number theory *1600	Nov/14/2020 17:04
247	B - Well-known Numbers	GNU C++14	binary search greedy number theory *1600	Nov/14/2020 16:45
246	A - Bachgold Problem	GNU C++14	greedy implementation math number theory *800	Nov/14/2020 16:09
245	C - Eugene and an array	GNU C++14	binary search data structures implementation two pointers *1700	Nov/06/2020 20:30
244	C - View Angle	GNU C++14	brute force geometry math *1800	Nov/05/2020 13:11
243	C - The Delivery Dilemma	GNU C++14	binary search greedy sortings *1400	Nov/05/2020 10:54
242	D - International Olympiad	GNU C++14	constructive algorithms greedy implementation math *2000	Nov/04/2020 22:16
241	A - Black-and-White Cube	GNU C++14	combinatorics constructive algorithms *1600	Nov/04/2020 21:55
240	B - Party	GNU C++14	constructive algorithms graphs math *1600	Nov/04/2020 21:46
239	D - Extreme Subtraction	GNU C++14	dp greedy math *1800	Nov/02/2020 11:34
238	B - Saving the City	GNU C++14	dp greedy math sortings *1300	Nov/02/2020 09:58
237	A - Kids Seating	GNU C++14	constructive algorithms math *800	Nov/02/2020 09:41
236	C - Division	GNU C++14	math number theory *1500	Nov/01/2020 12:26
235	B - Elimination	GNU C++14	greedy math *900	Nov/01/2020 12:16
234	A - Array Rearrangment	GNU C++14	greedy sortings *800	Nov/01/2020 12:14
233	D1 - Optimal Subsequences (Easy Version)	GNU C++14	data structures greedy *1600	Oct/31/2020 11:56
232	C - Polygon for the Angle	GNU C++14	brute force geometry *1600	Oct/30/2020 10:04
231	C - Permutation Cycle	GNU C++14	brute force constructive algorithms *1600	Oct/29/2020 22:38
230	C - Binary Search	GNU C++14	binary search combinatorics *1500	Oct/24/2020 10:42
229	B - Prime Square	GNU C++14	constructive algorithms math *900	Oct/24/2020 07:19
228	A - Reorder	GNU C++14	math *800	Oct/24/2020 07:07
227	C - Unfair Poll	GNU C++14	binary search constructive algorithms implementation math *1700	Oct/22/2020 14:15
226	D - Strange town	GNU C++14	constructive algorithms math *2300	Oct/19/2020 20:49
225	D - Iterated Linear Function	GNU C++14	math number theory *1700	Oct/18/2020 11:55
224	D - Petya and His Friends	GNU C++14	constructive algorithms math number theory *1700	Oct/18/2020 11:41
223	A - XORwice	GNU C++14	bitmasks greedy math *800	Oct/18/2020 04:40
222	D - Hexagons	GNU C++14	brute force constructive algorithms greedy implementation math shortest paths *1900	Oct/18/2020 04:38
221	C - Palindromifier	GNU C++14	constructive algorithms strings *1400	Oct/18/2020 03:55
220	B - Putting Bricks in the Wall	GNU C++14	constructive algorithms implementation *1100	Oct/18/2020 02:38
219	C - Chessboard Billiard	GNU C++14	dfs and similar dsu graphs number theory *2100	Oct/17/2020 15:03
218	D - Almost All Divisors	GNU C++14	math number theory *1600	Oct/14/2020 22:45
217	A - Plus and Square Root	GNU C++14	constructive algorithms math *1600	Oct/14/2020 21:48
216	A - Points and Segments (easy)	GNU C++14	constructive algorithms sortings *1600	Oct/11/2020 22:39
215	D - Dima and Two Sequences	GNU C++14	combinatorics math sortings *1600	Oct/11/2020 22:29
214	C - Magic Formulas	GNU C++14	math *1600	Oct/11/2020 22:12
213	A - Mafia	GNU C++14	binary search math sortings *1600	Oct/11/2020 21:55
212	D - String Deletion	GNU C++14	binary search data structures greedy two pointers *1700	Oct/11/2020 14:11
211	C - Numbers on Whiteboard	GNU C++14	constructive algorithms data structures greedy implementation math *1000	Oct/11/2020 13:20
210	B - Barrels	GNU C++14	greedy implementation sortings *800	Oct/11/2020 13:12
209	A - Number of Apartments	GNU C++14	brute force constructive algorithms math *900	Oct/11/2020 13:09
208	A - Avoiding Zero	GNU C++14	math sortings *900	Oct/10/2020 07:54
207	D - Love Rescue	GNU C++14	dfs and similar dsu graphs greedy strings *1600	Oct/09/2020 22:36
206	D1 - Remove the Substring (easy version)	GNU C++14	greedy implementation *1600	Oct/09/2020 21:59
205	D - Relatively Prime Graph	GNU C++14	brute force constructive algorithms graphs greedy math *1700	Oct/08/2020 22:27
204	D - Prime Graph	GNU C++14	constructive algorithms greedy math number theory *1500	Oct/08/2020 13:11
203	B - Nice Matrix	GNU C++14	greedy implementation math *1300	Oct/04/2020 09:50
202	A - Fence	GNU C++14	geometry math *800	Oct/04/2020 09:06
201	C - Connect Three	GNU C++14	implementation math *1600	Oct/02/2020 16:05
200	D - Make Them Equal	GNU C++14	constructive algorithms greedy math *2000	Sep/27/2020 10:46
199	C - k-Amazing Numbers	GNU C++14	data structures *1500	Sep/27/2020 09:37
198	B - Two Arrays	GNU C++14	greedy math sortings *1100	Sep/27/2020 08:20
197	A - Copy-paste	GNU C++14	greedy math *800	Sep/27/2020 08:09
196	A - Orac and LCM	GNU C++14	data structures math number theory *1600	Sep/26/2020 14:25
195	E - Sum of Digits	GNU C++14	brute force constructive algorithms dp greedy *2200	Sep/23/2020 21:38
194	B - RPG Protagonist	GNU C++14	brute force greedy math *1700	Sep/23/2020 21:28
193	B - Diagonal Walking v.2	GNU C++14	math *1600	Sep/23/2020 13:12
192	B - Rocket	GNU C++14	binary search interactive *1800	Sep/22/2020 21:49
191	B - Vova and Trophies	GNU C++14	greedy *1600	Sep/21/2020 19:11
190	B - Alternating Current	GNU C++14	data structures greedy implementation *1600	Sep/21/2020 10:49
189	C - Chocolate Bunny	GNU C++14	constructive algorithms interactive math two pointers *1600	Sep/21/2020 09:52
188	C - Hamsters and Tigers	GNU C++14	two pointers *1600	Sep/21/2020 09:36
187	B2 - Cat Party (Hard Edition)	GNU C++14	data structures implementation *1600	Sep/21/2020 09:14
186	D - Coins and Queries	GNU C++14	greedy *1600	Sep/20/2020 23:00
185	C - Killjoy	GNU C++14	greedy implementation math *1500	Sep/19/2020 08:21
184	D1 - Sage's Birthday (easy version)	GNU C++14	binary search constructive algorithms greedy sortings *1000	Sep/19/2020 08:06
183	B - Stairs	GNU C++14	brute force constructive algorithms greedy implementation math *1200	Sep/19/2020 07:48
182	A - Digit Game	GNU C++14	games greedy implementation *900	Sep/19/2020 07:38
181	D - Ehab the Xorcist	GNU C++14	bitmasks constructive algorithms greedy number theory *1700	Sep/18/2020 08:59
180	D - Minimum Diameter Tree	GNU C++14	constructive algorithms implementation trees *1700	Sep/18/2020 08:48
179	B - 4-point polyline	GNU C++14	brute force constructive algorithms geometry trees *1800	Sep/17/2020 22:10
178	C - Wet Shark and Flowers	GNU C++14	combinatorics math number theory probabilities *1700	Sep/17/2020 21:27
177	E - Thanos Nim	GNU C++14	games *2000	Sep/16/2020 21:12
176	A - Plate Game	GNU C++14	constructive algorithms games math *1600	Sep/16/2020 11:06
175	A - Alice and Bob	GNU C++14	games math number theory *1600	Sep/16/2020 10:57
174	C - Thanos Nim	GNU C++14	games *2000	Sep/16/2020 10:46
173	C - A Mist of Florescence	GNU C++14	constructive algorithms graphs *1800	Sep/16/2020 10:41
172	A - Matrix	GNU C++14	combinatorics data structures implementation *1600	Sep/12/2020 12:40
171	C - Link Cut Centroids	GNU C++14	constructive algorithms dfs and similar graphs trees *1700	Sep/12/2020 08:07
170	B - Maximum Product	GNU C++14	brute force dp greedy implementation sortings *1200	Sep/12/2020 07:21
169	A - Subset Mex	GNU C++14	greedy implementation math *900	Sep/12/2020 06:51
168	C - Four Segments	GNU C++14	brute force constructive algorithms geometry implementation math *1700	Sep/11/2020 16:37
167	E - Mahmoud and Ehab and the xor-MST	GNU C++14	bitmasks dp graphs implementation math *1900	Sep/10/2020 21:58
166	A - New Year Table	GNU C++14	geometry math *1700	Sep/09/2020 13:11
165	D - Knight	C++ (GCC 9.2.1)	AtCoder *400	Aug/27/2020 22:31
164	C - Average Length	C++ (GCC 9.2.1)	AtCoder *300	Aug/27/2020 21:58
163	B - Echo	C++ (GCC 9.2.1)	AtCoder *200	Aug/27/2020 21:50
162	A - Circle	C++ (GCC 9.2.1)	AtCoder *100	Aug/27/2020 21:49
161	D - Knapsack 1	C++ (GCC 9.2.1)	AtCoder *100	Aug/27/2020 21:21
160	C - Vacation	C++ (GCC 9.2.1)	AtCoder *100	Aug/26/2020 16:07
159	B - Frog 2	C++ (GCC 9.2.1)	AtCoder *100	Aug/23/2020 15:52
158	A - Frog 1	C++ (GCC 9.2.1)	AtCoder *100	Aug/23/2020 15:32
157	D - Alter Altar	C++ (GCC 9.2.1)	AtCoder *400	Aug/03/2020 11:05
156	C - Repsept	C++ (GCC 9.2.1)	AtCoder *300	Aug/03/2020 11:01
155	B - Distance	C++ (GCC 9.2.1)	AtCoder *200	Aug/03/2020 10:46
154	A - Air Conditioner	C++ (GCC 9.2.1)	AtCoder *100	Aug/03/2020 10:44
153	B - Judge Status Summary	C++ (GCC 9.2.1)	AtCoder *200	Jul/06/2020 16:39
152	A - Payment	C++ (GCC 9.2.1)	AtCoder *100	Jul/06/2020 16:36
151	C - Tsundoku	C++ (GCC 9.2.1)	AtCoder *300	Jun/27/2020 18:51
150	D - Sum of Divisors	C++ (GCC 9.2.1)	AtCoder *400	Jun/27/2020 18:08
149	B - Minor Change	C++ (GCC 9.2.1)	AtCoder *200	Jun/27/2020 17:59
148	A - Calc	C++ (GCC 9.2.1)	AtCoder *100	Jun/27/2020 17:58
147	F - Three Variables Game	C++ (GCC 9.2.1)	AtCoder *600	Jun/24/2020 14:35
146	E - This Message Will Self-Destruct in 5s	C++ (GCC 9.2.1)	AtCoder *500	Jun/24/2020 14:24
145	D - I hate Factorization	C++ (GCC 9.2.1)	AtCoder *400	Jun/24/2020 13:59
144	C - Peaks	C++ (GCC 9.2.1)	AtCoder *300	Jun/24/2020 13:29
143	B - Trick or Treat	C++ (GCC 9.2.1)	AtCoder *200	Jun/24/2020 13:21
142	A - A?C	C++ (GCC 9.2.1)	AtCoder *100	Jun/24/2020 13:18
141	B - Easy Linear Programming	C++ (GCC 9.2.1)	AtCoder *200	Jun/23/2020 22:51
140	A - Registration	C++ (GCC 9.2.1)	AtCoder *100	Jun/23/2020 22:45
139	C - One Quadrillion and One Dalmatians	C++ (GCC 9.2.1)	AtCoder *300	Jun/23/2020 19:07
138	B - Mix Juice	C++ (GCC 9.2.1)	AtCoder *200	Jun/23/2020 18:28
137	A - αlphabet	C++ (GCC 9.2.1)	AtCoder *100	Jun/23/2020 18:25
136	C - Forbidden List	C++ (GCC 9.2.1)	AtCoder *300	Jun/16/2020 20:34
135	B - Crane and Turtle	C++ (GCC 9.2.1)	AtCoder *200	Jun/16/2020 20:26
134	A - Five Variables	C++ (GCC 9.2.1)	AtCoder *100	Jun/16/2020 20:24
133	C - : (Colon)	C++ (GCC 9.2.1)	AtCoder *300	Jun/01/2020 16:12
132	B - ... (Triple Dots)	C++ (GCC 9.2.1)	AtCoder *200	Jun/01/2020 14:40
131	A - ∴ (Therefore)	C++ (GCC 9.2.1)	AtCoder *100	Jun/01/2020 14:38
130	B - Multiplication 2	C++ (GCC 9.2.1)	AtCoder *200	Jun/01/2020 13:44
129	A - Multiplication 1	C++ (GCC 9.2.1)	AtCoder *100	Jun/01/2020 13:35
128	A1 - Add on a Tree	GNU C++14	trees *1600	May/26/2020 18:41
127	C - Celex Update	GNU C++14	math *1600	May/26/2020 09:03
126	B - Maria Breaks the Self-isolation	GNU C++14	greedy sortings *1000	May/26/2020 08:07
125	A - Park Lighting	GNU C++14	greedy math *800	May/26/2020 07:38
124	A - New Year Transportation	GNU C++14	dfs and similar graphs implementation *1000	May/25/2020 22:43
123	D - Secret Passwords	GNU C++14	dfs and similar dsu graphs *1500	May/25/2020 22:16
122	A - String Task	GNU C++14	implementation strings *1000	May/25/2020 21:45
121	B - Buttons	GNU C++14	implementation math *1000	May/25/2020 21:36
120	A - Dreamoon and Stairs	GNU C++14	implementation math *1000	May/25/2020 21:27
119	A - Mahmoud and Ehab and the even-odd game	GNU C++14	games math *800	May/25/2020 21:21
118	A - Save Luke	GNU C++14	math *800	May/25/2020 18:23
117	B - Lovely Palindromes	GNU C++14	constructive algorithms math *1000	May/25/2020 18:02
116	A - Equalize Prices Again	GNU C++14	math *800	May/25/2020 14:29
115	B - Lecture	GNU C++14	implementation strings *1000	May/25/2020 14:07
114	A - EhAb AnD gCd	GNU C++14	constructive algorithms greedy number theory *800	May/25/2020 14:00
113	A - Even Odds	GNU C++14	math *900	May/25/2020 13:55
112	A - Magnets	GNU C++14	implementation *800	May/25/2020 13:48
111	B - Kolya and Tanya	GNU C++14	combinatorics *1500	May/25/2020 13:38
110	A - Ehab and another construction problem	GNU C++14	brute force constructive algorithms *800	May/24/2020 15:51
109	A - Playing with Dice	GNU C++14	brute force *800	May/23/2020 23:12
108	A - Tanya and Stairways	GNU C++14	implementation *800	May/23/2020 23:07
107	A - Chips Moving	GNU C++14	math *900	May/23/2020 21:23
106	A - Two Regular Polygons	GNU C++14	geometry greedy math number theory *800	May/23/2020 09:24
105	A - Arpa’s hard exam and Mehrdad’s naive cheat	GNU C++14	implementation math number theory *1000	May/23/2020 09:22
104	C - K-th Not Divisible by n	GNU C++14	binary search math *1200	May/22/2020 22:55
103	B - Worms	GNU C++14	binary search implementation *1200	May/22/2020 22:21
102	C - Kefa and Park	GNU C++14	dfs and similar graphs trees *1500	May/22/2020 21:09
101	A - Elephant	GNU C++14	math *800	May/22/2020 19:59
100	B - Anton and Digits	GNU C++14	brute force greedy implementation math *800	May/22/2020 13:18
99	A - Design Tutorial: Learn from Math	GNU C++14	math number theory *800	May/22/2020 12:52
98	A - Insomnia cure	GNU C++14	constructive algorithms implementation math *800	May/22/2020 11:51
97	A - Boy or Girl	GNU C++14	brute force implementation strings *800	May/22/2020 11:41
96	B - The Number of Products	GNU C++14	combinatorics dp implementation *1400	May/15/2020 16:22
95	C - Songs Compression	GNU C++14	sortings *1100	May/10/2020 18:10
94	C - Skier	GNU C++14	data structures implementation *1400	May/07/2020 15:13
93	C - Hilbert's Hotel	GNU C++14	math sortings *1600	May/06/2020 08:40
92	B - Card Constructions	GNU C++14	binary search brute force dp math *1100	May/06/2020 08:28
91	A - Puzzle Pieces	GNU C++14	math *800	May/06/2020 07:40
90	B - Dreamoon and WiFi	GNU C++14	bitmasks brute force combinatorics dp math probabilities *1300	May/04/2020 23:17
89	A - Football	GNU C++14	strings *1000	May/04/2020 22:29
88	A - Hit the Lottery	GNU C++14	dp greedy *800	May/04/2020 22:24
87	A - Kefa and First Steps	GNU C++14	brute force dp implementation *900	May/04/2020 22:11
86	A - cAPS lOCK	GNU C++14	implementation strings *1000	May/04/2020 22:01
85	A - Drinks Choosing	GNU C++14	greedy math *1000	May/04/2020 18:47
84	A - Choose Two Numbers	GNU C++14	math sortings *800	May/04/2020 18:30
83	B - Maximums	GNU C++14	implementation math *900	May/04/2020 17:51
82	A - I'm bored with life	GNU C++14	implementation math number theory *800	May/04/2020 16:25
81	A - Soft Drinking	GNU C++14	implementation math *800	May/04/2020 16:16
80	A - Olesya and Rodion	GNU C++14	math *1000	May/04/2020 16:08
79	A - The New Year: Meeting Friends	GNU C++14	implementation math sortings *800	May/04/2020 16:02
78	A - Vasya and Socks	GNU C++14	brute force implementation math *900	May/04/2020 15:36
77	B - Interesting drink	GNU C++14	binary search dp implementation *1100	May/03/2020 07:34
76	A - Soldier and Bananas	GNU C++14	brute force implementation math *800	May/02/2020 16:12
75	A - Domino piling	GNU C++14	greedy math *800	May/02/2020 16:06
74	C - Phoenix and Distribution	GNU C++14	constructive algorithms greedy sortings strings *1600	May/01/2020 09:57
73	A - Phoenix and Balance	GNU C++14	greedy math *800	May/01/2020 07:41
72	A - Boredom	GNU C++14	dp *1500	Apr/30/2020 20:12
71	A - Maximum Increase	GNU C++14	dp greedy implementation *800	Apr/30/2020 16:56
70	A - Night at the Museum	GNU C++14	implementation strings *800	Apr/30/2020 16:15
69	A - Dubstep	PyPy 3	strings *900	Apr/30/2020 09:44
68	A - Anton and Danik	GNU C++14	implementation strings *800	Apr/30/2020 09:32
67	B - Quasi Binary	GNU C++14	constructive algorithms dp greedy implementation *1400	Apr/29/2020 20:16
66	A - Cow and Haybales	GNU C++14	greedy implementation *800	Apr/29/2020 20:01
65	B - Sereja and Suffixes	GNU C++14	data structures dp *1100	Apr/29/2020 19:26
64	A - Brain's Photos	GNU C++14	implementation *800	Apr/29/2020 18:36
63	A - Word	GNU C++14	implementation strings *800	Apr/27/2020 12:20
62	A - Word Capitalization	GNU C++14	implementation strings *800	Apr/27/2020 12:16
61	A - Sasha and Sticks	GNU C++14	games math *800	Apr/27/2020 12:13
60	A - Again Twenty Five!	GNU C++14	number theory *800	Apr/27/2020 11:59
59	A - Vasya the Hipster	GNU C++14	implementation math *800	Apr/27/2020 10:38
58	A - Wrong Subtraction	GNU C++14	implementation *800	Apr/26/2020 22:38
57	B - Ilya and Queries	GNU C++14	dp implementation *1100	Apr/26/2020 22:26
56	A - Road To Zero	GNU C++14	greedy math *1000	Apr/26/2020 08:22
55	B - Nastya and Door	GNU C++14	greedy implementation *1300	Apr/25/2020 21:22
54	A - Flipping Game	GNU C++14	brute force dp implementation *1200	Apr/24/2020 18:00
53	B - A and B and Compilation Errors	GNU C++14	data structures implementation sortings *1100	Apr/24/2020 16:59
52	B - Two Buttons	GNU C++14	dfs and similar graphs greedy implementation math shortest paths *1400	Apr/24/2020 16:45
51	A - Fancy Fence	GNU C++14	geometry implementation math *1100	Apr/23/2020 22:54
50	B - BerSU Ball	GNU C++14	dfs and similar dp graph matchings greedy sortings two pointers *1200	Apr/23/2020 22:48
49	C - Given Length and Sum of Digits...	GNU C++14	dp greedy implementation *1400	Apr/23/2020 20:10
48	A - Cheap Travel	GNU C++14	implementation *1200	Apr/23/2020 17:27
47	B - T-primes	GNU C++14	binary search implementation math number theory *1300	Apr/23/2020 09:49
46	A - Cut Ribbon	GNU C++14	brute force dp *1300	Apr/23/2020 09:10
45	B - Vanya and Lanterns	GNU C++14	binary search implementation math sortings *1200	Apr/23/2020 08:43
44	A - IQ test	GNU C++14	brute force *1300	Apr/22/2020 22:39
43	A - Theatre Square	GNU C++14	math *1000	Apr/22/2020 22:30
42	B - Kana and Dragon Quest game	GNU C++14	greedy implementation math *900	Apr/22/2020 20:05
41	A - Ichihime and Triangle	GNU C++14	constructive algorithms math *800	Apr/22/2020 20:00
40	C - Alternating Subsequence	GNU C++14	dp greedy two pointers *1200	Apr/22/2020 09:41
39	B - Balanced Array	GNU C++14	constructive algorithms math *800	Apr/22/2020 09:24
38	A - Candies	GNU C++14	brute force math *900	Apr/22/2020 09:17
37	C - Product of Three Numbers	GNU C++14	greedy math number theory *1300	Apr/20/2020 17:06
36	B - Collecting Packages	GNU C++14	implementation sortings *1200	Apr/20/2020 17:00
35	A - Collecting Coins	GNU C++14	math *800	Apr/20/2020 16:02
34	B - Two-gram	GNU C++14	implementation strings *900	Apr/19/2020 18:07
33	A - Amusing Joke	GNU C++14	implementation sortings strings *800	Apr/19/2020 17:49
32	A - Pangram	GNU C++14	implementation strings *800	Apr/19/2020 15:55
31	A - Cards	GNU C++14	implementation sortings strings *800	Apr/19/2020 15:30
30	A - Anton and Polyhedrons	GNU C++14	implementation strings *800	Apr/19/2020 15:21
29	C - Two Teams Composing	GNU C++14	binary search greedy implementation sortings *1100	Apr/13/2020 09:02
28	D - Anti-Sudoku	GNU C++14	constructive algorithms implementation *1300	Apr/13/2020 08:09
27	B - Construct the String	GNU C++14	constructive algorithms *900	Apr/13/2020 07:46
26	A - Candies and Two Sisters	GNU C++14	math *800	Apr/13/2020 07:38
25	A - Filling Diamonds	GNU C++14	brute force dp implementation math *900	Apr/12/2020 21:52
24	B - Middle Class	GNU C++14	greedy sortings *1100	Apr/10/2020 09:24
23	A - Level Statistics	GNU C++14	implementation math *1200	Apr/10/2020 08:46
22	A - Chat room	GNU C++14	greedy strings *1000	Apr/09/2020 18:00
21	A - Young Physicist	GNU C++14	implementation math *1000	Apr/09/2020 17:55
20	A - Football	GNU C++14	implementation strings *900	Apr/09/2020 17:51
19	A - Is it rated?	GNU C++14		Apr/09/2020 12:18
18	B - Food Buying	GNU C++14	math *900	Apr/08/2020 18:08
17	A - Array with Odd Sum	GNU C++14	math *800	Apr/08/2020 18:00
16	A - Translation	GNU C++14	implementation strings *800	Apr/08/2020 16:37
15	B - Queue at the School	GNU C++14	constructive algorithms graph matchings implementation shortest paths *800	Apr/08/2020 16:34
14	A - HQ9+	GNU C++14	implementation *900	Apr/08/2020 16:29
13	A - Twins	GNU C++14	greedy sortings *900	Apr/08/2020 16:24
12	A - Lucky Division	GNU C++14	brute force number theory *1000	Apr/08/2020 15:58
11	A - Helpful Maths	GNU C++14	greedy implementation sortings strings *800	Apr/08/2020 15:54
10	A - Petya and Strings	GNU C++14	implementation strings *800	Apr/08/2020 11:29
9	A - Bit++	GNU C++14	implementation *800	Apr/07/2020 12:12
8	A - Series of Crimes	GNU C++14	brute force geometry implementation *800	Apr/07/2020 11:57
7	A - Pasha and Hamsters	GNU C++14	constructive algorithms implementation *800	Apr/06/2020 22:45
6	A - Buy a Shovel	GNU C++14	brute force constructive algorithms implementation math *800	Apr/06/2020 22:32
5	A - New Year and Hurry	GNU C++14	binary search brute force implementation math *800	Apr/06/2020 20:06
4	A - Divisibility Problem	GNU C++14	math *800	Apr/06/2020 19:58
3	A - Watermelon	GNU C++14	brute force math *800	Mar/25/2020 21:21
2	B - WeirdSort	PyPy 3	dfs and similar sortings *1200	Mar/25/2020 19:05
1	A - Add Odd or Subtract Even	GNU C++14	greedy implementation math *800	Mar/25/2020 18:12