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1551B1.cpp
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1551B1.cpp
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//🎃🎃🎃😎😎😁🤓☣☣☣☣☣dark_coder☣☣☣☣☣😎😎😁🤓🎃🎃🎃
#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(x) (x).begin(), (x).end()
#define li long long int
#define pi pair<int,int>
int main()
{
IOS
int t;
cin>>t;
while(t--)
{
string inp,s="";
cin>>inp;
sort(all(inp));
int n=inp.length();
int freq[n]={0},k=-1;
for (int i = 0; i < n; i++)
{
if(inp[i]!=s.back()){
k++;
s.push_back(inp[i]);
freq[k]++;
}else{
freq[k]++;
}
}//o{n}
int m=0,u=0;
for (int i = 0; i < s.length(); i++)
{
/* code */
if(freq[i]>1)m++;
else u++;
}
cout<<u/2+m<<endl;
}
return 0;
}