func_code_string: #include <bits/stdc++.h>   long long n, i, res;   using namespace std;   int main() {     cin >> n;     long long a[n];     for (i = 0; i < n; i++) cin >> a[i];     int l = 0, r = n - 1;     long long suma = 0, sumb = 0;     while (l <= r) {       if (suma < sumb) {         suma += a[l];         l++;       } else {         if (suma == sumb) {           res = max(res, suma);           suma += a[l];           l++;         } else {           sumb += a[r];           r--;         }       }     }     if (suma == sumb) res = max(res, suma);     cout << res;     return 0;   }   