func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, r = 0, l = 0;     vector<int> d;     cin >> n;     d.resize(n);     for (int i = 0; i < n; ++i) {       int x, y;       cin >> x >> y;       l += x;       r += y;       d[i] = x - y;     }     int maxx = abs(r - l), n_max = -1;     for (int i = 0; i < n; ++i) {       int dl = l - d[i], dr = r + d[i];       if (abs(dr - dl) > maxx) {         maxx = abs(dr - dl);         n_max = i + 1;       }     }     if (n_max == -1)       cout << 0 << endl;     else       cout << n_max;     return 0;   }   