Sanalista

#include <bits/stdc++.h>

using namespace std;

int n,t,a;
int main(){
	cin >> n;a='\x1A';
	for(int i = 0; i < n; i++){
		char l[a] = {0};
		string str;
		cin >> str;
		for(char c : str)l[c-97]++;
		bool r = true;
		for(int p = 0; p < a; p++)
			if(l[p]&1){
				r = false;
				break;
			}

		if(r) t++;
	}
	cout << t << endl;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED