Sanalista

input/code.cpp: In function 'int main()':
input/code.cpp:13:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j = 0; j < sana.length(); j++) {
                        ~~^~~~~~~~~~~~~~~

#include <iostream>
 
using namespace std;
 
int main() {
    bool kirjaimet[26] = {false};
    int sanamaara;
    cin >> sanamaara;
    int tulos = 0;
    for(int i = 0; i < sanamaara; i++) {
        string sana;
        cin >> sana;
        for(int j = 0; j < sana.length(); j++) {
            kirjaimet[sana.at(j)-97] = !kirjaimet[sana.at(j)-97];
        }
        bool a = true;
        for(int j = 0; j < 26; j++) {
            if(kirjaimet[j]) {
                a = false;
                break;
            }
        }
        if(a)
            tulos++;
        for(int j = 0; j < 26; j++) {
            kirjaimet[j] = false;
        }
    }
    cout << tulos << endl;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED