func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     int n, m, k, A, B;     cin >> n;     int r1 = -1, p2 = 100000, p1 = -1;     for (int(i) = 0; (i) < (n); (i)++) {       int x;       cin >> x;       r1 = max(x, r1);     }     cin >> m;     for (int(i) = 0; (i) < (m); (i)++) {       int x;       cin >> x;       p1 = max(p1, x);     }     cin >> k;     for (int(i) = 0; (i) < (k); (i)++) {       int x;       cin >> x;       p2 = min(p2, x);     }     cin >> A >> B;     double a = r1, b = p1, c = p2;     double ans = (a * a * B * b) / (B * b + A * c);     cout << fixed << setprecision(10) << sqrt(ans) <<   n ;   }   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int t = 1;     while (t--) {       solve();     }   }   