func_code_string: #include <bits/stdc++.h>   using namespace std;   int n;   pair<int, int> arr[100000 + 5];   int main() {     cin >> n;     int L = 0, R = 0;     for (int i = 1; i <= n; i++) {       cin >> arr[i].first >> arr[i].second;       L += arr[i].first;       R += arr[i].second;     }     int ans = abs(L - R);     int id = 0;     for (int i = 1; i <= n; i++) {       if (ans < abs(L - R + 2 * (arr[i].second - arr[i].first))) {         ans = abs(L - R + 2 * (arr[i].second - arr[i].first));         id = i;       }     }     cout << id << endl;   }   