func_code_string: #include <bits/stdc++.h>   using namespace std;   int n;   int t = 0, x = 0, ans = 0;   int a, b;   int main() {     scanf( %d , &n);     for (int i = 1; i <= n; ++i) {       scanf( %d%d , &a, &b);       x -= a - t;       if (x < 0) x = 0;       x += b;       ans = max(ans, x);       t = a;     }     printf( %d %d , t + x, ans);     return 0;   }   