Untitled
unknown
c_cpp
6 months ago
444 B
9
Indexable
#include <bits/stdc++.h> using namespace std; int32_t main() { cout.setf(ios::fixed); cout.precision(15); int C, M, F; cin >> C >> M >>F; if (M > C) { cout << 1.0; return 0; } if (M <= 1e6) { long double ans= 1; for (int k = 0; k < M; ++k) ans *= 2 * (C - k) / (long double)(2 * C - k); cout << 1 - ans; } else { cout << 1.0; } }
Editor is loading...
Leave a Comment