func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, mn = 200, c = 0, x, y, i;   int main() {     cin >> n;     for (i = 0; i < n; i++) {       cin >> x >> y;       mn = min(mn, y);       c += x * mn;     }     cout << c;   }   