func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 100;   int main() {     long long a[maxn], b[maxn];     int n, m;     while (cin >> n >> m) {       for (int i = 1; i <= n; ++i) {         cin >> a[i];       }       for (int i = 1; i <= m; ++i) {         cin >> b[i];       }       sort(a + 1, a + n + 1);       sort(b + 1, b + m + 1);       long long ans1 = a[1] * b[1], ans2 = a[n] * b[m], ans3 = a[1] * b[m],                 ans4 = a[n] * b[1];       long long maxx = max(ans1, max(ans2, max(ans3, ans4)));       if (maxx == ans1)         cout << max(a[2] * b[1], max(ans2, max(a[2] * b[m], ans4))) << endl;       else if (maxx == ans2)         cout << max(a[n - 1] * b[m], max(ans1, max(ans3, a[n - 1] * b[1])))              << endl;       else if (maxx == ans3)         cout << max(a[2] * b[1], max(ans2, max(a[2] * b[m], ans4))) << endl;       else         cout << max(ans1, max(a[n - 1] * b[m], max(ans3, a[n - 1] * b[1])))              << endl;     }     return 0;   }   