Counting ones

input/code.cpp: In function 'int main()':
input/code.cpp:35:32: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |     cout << v[a] <<  ' ' << v[b] << endl;
      |                                ^
input/code.cpp:35:16: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |     cout << v[a] <<  ' ' << v[b] << endl;
      |                ^

#include <algorithm>
#include <iostream>
#include <queue>
#include <vector>

using namespace std;

int main() {
    int n;
    cin >> n;
    vector<int> v(n);
    for (int i = 0; i < n; i++)
    {
        cin >> v[i];
    }

    int max = -1;

    int a, b;
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            int x = v[i] * v[j];
            if (i != j and __builtin_popcount(x) > max) {
                a = i; b = j; max = __builtin_popcount(x);
            }
        }
        
    }


    cout << max << endl;
    cout << v[a] <<  ' ' << v[b] << endl;
    
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER