func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 1e4 + 5;   int n, a[N], m, k;   long long ans;   int main() {     scanf( %d%d%d , &n, &m, &k);     for (int i = 1; i <= n; i++) scanf( %d , &a[i]);     if (n % 2 == 0) {       puts( 0 );       return 0;     }     int mn = N * 100;     for (int i = 1; i <= n; i += 2) mn = min(mn, a[i]);     long long ans = min((long long)mn, 1ll * (m / ((n + 1) / 2)) * k);     cout << ans;     return 0;   }   