Sanalista

input/code.cpp: In function 'int main()':
input/code.cpp:11:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int ii = 0; ii < a.size(); ii++) {
                    ~~~^~~~~~~~~~

#include <bits/stdc++.h>

int main() {
	int n, res = 0;
	std::cin>> n;
	for (int i = 0; i < n; i++) {
		std::string a;
		std::cin>> a;
		std::multiset<bool> divisible;
		std::multiset<char> asort;
		for (int ii = 0; ii < a.size(); ii++) {
			asort.insert(a[ii]);
		}
		//for (auto x: asort) { std::cerr<< x << std::endl; }
		// now characters are sorted

		// ascii range: 97 - 122 (a-z)
		for (int ii = 97; ii <= 122; ii++) {
			int count = asort.count((char)ii);
			divisible.insert(count%2==0 ? true : false);
		}
		if (divisible.count(false) == 0) res++;
	}
	std::cout<< res;
	return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED