Alien Invasion II

#include <iostream>
#include <vector>
#include <cmath>

using namespace std;

vector<int> solve(int n) {
    int sum = 0;
    int i = 0;
    while(n>0) {
        int m = n % 10;
        sum += m;
        n /= 10;
        i++;
    }
    return {sum, i};
}

int main() {
    int n;
    cin >> n;
    vector<int> g = solve(n);
    int r = 3-g[0] % 3;
    int q = pow(r, g[1]) + n;
    cout << q << endl << 3 << q / 3;
    return 0;
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER