Sanalista

input/code.cpp: In function 'int main()':
input/code.cpp:22:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(j = 0; j < strlen(str); j++) {
              ~~^~~~~~~~~~~~~

#include <iostream>
#include <cstring>

using namespace std;


int main(void) {
	int n, i, j, l, x, y;
	int cs[26];
	char str[31];

	cin >> n;

	l = 0;
	for(i = 0; i < n; i++) {
		cin >> str;

		for(y = 0; y < 26; y++) {
			cs[y] = 0;
		}

		for(j = 0; j < strlen(str); j++) {
			cs[str[j] - 'a']++;
		}

		x = 0;
		for(j = 0; j < 26; j++) {
			if((cs[j] % 2) == 0) {
				x++;
			}
		}

		if(x == 26)
			l++;
	}

	cout << l << endl;

	return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED