func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, w, b;     int a[100];     cin >> n >> w >> b;     for (int i = 0; i < n; i++) cin >> a[i];     int mini, maxi;     if (w <= b) {       mini = w;       maxi = b;     } else {       mini = b;       maxi = w;     }     int st = 0, endi = n - 1, cost = 0;     while (st <= endi) {       if (a[st] == a[endi] && a[st] == 2) {         if (st != endi)           cost += 2 * mini;         else           cost += mini;       }       if (a[st] != a[endi]) {         if (a[st] != 2 && a[endi] != 2) {           cout <<  -1  << endl;           return 0;         }         if (a[st] == 0 || a[endi] == 0)           cost += w;         else if (a[st] == 1 || a[endi] == 1)           cost += b;       }       st++;       endi--;     }     cout << cost << endl;   }   