题解 | 自由落体

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double h, s, v, l, k, n, t1, t2, x1, x2;
        int count = 0;

        h = scanner.nextDouble();
        s = scanner.nextDouble();
        v = scanner.nextDouble();
        l = scanner.nextDouble();
        k = scanner.nextDouble();
        n = scanner.nextDouble();

        t1 = Math.sqrt((h - k) / 5.0);
        t2 = Math.sqrt(h / 5.0);
        x1 = s - v * t2;
        x2 = s + l - v * t1;

        int minn = (int) Math.max(x1, 0.0);
        int maxn = (int) Math.min(x2, n);

        System.out.println(maxn - minn);
    }
}