func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   using pii = pair<int, int>;   using vi = vector<int>;   struct ele {     int value, jj, index;   };   bool ordena(ele a, ele b) { return a.value < b.value; }   int main() {     ios::sync_with_stdio(false);     cin.tie(NULL);     int k, n;     cin >> k;     vector<ele> arr;     for (int i = 0; i < k; i++) {       int v[200010], sum = 0;       cin >> n;       for (int j = 0; j < n; j++) {         cin >> v[j];         sum += v[j];       }       for (int j = 0; j < n; j++) {         ele myele;         myele.value = sum - v[j];         myele.jj = j;         myele.index = i;         arr.push_back(myele);       }     }     sort(arr.begin(), arr.end(), ordena);     for (int i = 0; i < arr.size() - 1; i++) {       if (arr[i].value == arr[i + 1].value && arr[i].index != arr[i + 1].index) {         cout <<  YES  <<   n ;         cout << arr[i].index + 1 <<     << arr[i].jj + 1 <<   n ;         cout << arr[i + 1].index + 1 <<     << arr[i + 1].jj + 1 <<   n ;         return 0;       }     }     cout <<  NO  <<   n ;     return 0;   }   