洛谷P1033 自由落体

#include <iostream> #include <cmath> using namespace std; double H, S1, V, L, K, n; double e = 0.0001; int num = 0; int main() { cin >> H >> S1 >> V >> L >> K >> n; double t1 = sqrt(H / 5), t2 = sqrt((H - K) / 5); double t3, t4; for (int i = 0; i < n; i++) { t3 = (S1 - i - e) / V; t4 = (S1 + L - i + e) / V; if ((t3 <= t1 && t3 >= t2) || (t4 <= t1 && t4 >= t2) || (t3 <= t2 && t1 <= t4)) num++; } cout << num << endl; }