func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = 1e9;   int main() {     int n;     cin >> n;     int arr[n + 1];     for (int i = 1; i <= n; i++) cin >> arr[i];     int long long ans = 0;     for (int mx = 0; mx < 31; mx++) {       int long long cur = 0;       int long long best = 0;       for (int i = 1; i < n + 1; i++) {         int val = (arr[i] > mx ? -INF : arr[i]);         cur += val;         best = min(best, cur);         ans = max(ans, (cur - best) - mx);       }     }     cout << ans <<   n ;     return 0;   }   