func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     int n, r1 = -1, p1 = -1, p2 = INT_MAX, x, a, b;     cin >> n;     while (n--) cin >> x, r1 = max(r1, x);     cin >> n;     while (n--) cin >> x, p1 = max(p1, x);     cin >> n;     while (n--) cin >> x, p2 = min(p2, x);     cin >> a >> b;     long double q = ((long long)(b * p1) / (long double)(a * p2 + b * p1));     q = sqrt(q);     q *= r1;     printf( %.12Lf n , q);     return 0;   }   