Sanalista

#include <iostream>
#include <string>
using namespace std;
 
int main()
{
    int words_amount;
    int wweaol = 0;
    cin >> words_amount;
 
    for (int i=0; i<words_amount; i++) {
        string current_word;
        cin >> current_word;
 
        bool even_amount = false;
 
        if (current_word.length() % 2 == 0) {
            for (unsigned int j=0; j<current_word.length(); j++) {
                char current_character = current_word[j];
                int chars_found = 0;
 
                for (unsigned int k=j++; k<current_word.length(); k++) {
                    if (current_word[k] == current_character) {
                        chars_found++;
                    }
                }
 
                if (chars_found % 2 == 0) {
                    even_amount = true;
                }
            }
 
            if (even_amount) {
                wweaol++;
            }
        }
    }
 
    cout << wweaol << endl;
    return 0;
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER