func_code_string: #include <bits/stdc++.h>   using namespace std;   long long n, arr[55] = {}, sm = 0, dp[55][2] = {};   long long rec(int ind, bool dt) {     if (ind == n - 1) {       if (dt)         return 0;       else         return arr[ind];     }     if (dp[ind][dt] != -1) return dp[ind][dt];     if (dt)       return dp[ind][dt] = min(rec(ind + 1, dt) + arr[ind], rec(ind + 1, !dt));     else       return dp[ind][dt] = max(rec(ind + 1, dt), rec(ind + 1, !dt) + arr[ind]);   }   int main() {     cin >> n;     for (int i = 0; i < 55; i++) {       dp[i][0] = -1;       dp[i][1] = -1;     }     for (int i = 0; i < n; i++) {       cin >> arr[i];       sm += arr[i];     }     long long ans = rec(0, 0);     cout << (sm - ans) <<     << ans <<   n ;     return 0;   }   