func_code_string: #include <bits/stdc++.h>   using namespace std;   int64_t pre[200001];   int64_t dp[200001];   int n;   int main() {     cin >> n;     for (int i = 1; i <= n; ++i) {       cin >> pre[i];       pre[i] += pre[i - 1];     }     int64_t mx = -1e15;     for (int i = n - 1; i >= 1; --i) {       dp[i] = max(pre[n], mx);       mx = max(mx, pre[i] - dp[i]);     }     cout << dp[1] <<   n ;     return 0;   }   