Help me in solving LCH15JAB problem

help
,
1

My issue

I am getting wrong answer for this questions please help me in solving this question

My code

#include <bits/stdc++.h> 
using namespace std;

int main() {
	// your code goes here 
	int i,j,k,l,m,n; 
	int max; 
	max=INT_MIN;
	l=1;
	cin>>i; 
	for (j=0;j<i;j++)
	{ 
	    string s;
	    cin>>s;
	    sort(s.begin(),s.end());
	    for (k=0;k<s.size();k++)
	    {
	        if (s[k]==s[k+1])
	        {
	            l=l+1; 
	            if (l>max)
	            {
	                max=l;
	            }
	        } 
	        else 
	        {
	            l=1;
	        }
	    }
	    n=s.size()-max;
	    if (max==n)
	    {
	        cout<<"YES"<<"\n";
	    }
	    else 
	    {
	        cout<<"NO"<<"\n";
	    } 
	    max=INT_MIN; 
	    l=1;
	}
	return 0;
}

Problem Link: LCH15JAB Problem - CodeChef