func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     int n;     cin >> n;     int arr[n];     for (int i = 0; i < n; ++i) {       cin >> arr[i];     }     for (int i = 0; i < n; i++) {       for (int j = 0; j < n; ++j) {         if (j == i) continue;         for (int k = 0; k < n; ++k) {           if (j == k)             continue;           else if (i == k)             continue;           if (arr[j] + arr[k] == arr[i]) {             cout << i + 1 <<     << k + 1 <<     << j + 1;             return 0;           }         }       }     }     cout << -1;     return 0;   }   