func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[55], b[55];   int main() {     int n, m;     scanf( %d%d , &n, &m);     for (int i = 1; i <= n; i++) scanf( %d , a + i);     for (int i = 1; i <= m; i++) scanf( %d , b + i);     long long ans = 1ll << 62;     for (int x = 1; x <= n; x++) {       long long maxv = -(1ll << 62);       for (int y = 1; y <= n; y++) {         if (x == y) continue;         for (int z = 1; z <= m; z++) {           maxv = max(maxv, (long long)a[y] * b[z]);         }       }       ans = min(ans, maxv);     }     printf( %lld n , ans);     return 0;   }   