func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MOD = (int)1e9;   long double sqr(long double a) { return a * a; }   long long gcd(long long a, long long b) {     if (b == 0)       return a;     else       return gcd(b, a % b);   }   int main() {     ios_base::sync_with_stdio(0);     cout.tie(0);     cin.tie(0);     long long k;     cin >> k;     map<long long, pair<long long, long long> > sm;     for (auto i = 0; i < k; ++i) {       long long n, sum = 0;       cin >> n;       vector<long long> a(n);       for (auto &it : a) {         cin >> it;         sum += it;       }       for (auto j = 0; j < n; ++j) {         if (sm.find(sum - a[j]) != sm.end()) {           cout <<  YES n                 << sm[sum - a[j]].first <<     << sm[sum - a[j]].second <<   n                 << i + 1 <<     << j + 1;           return 0;         }       }       for (auto j = 0; j < n; ++j) {         sm[sum - a[j]] = {i + 1, j + 1};       }     }     cout <<  NO ;     return 0;   }   