Submission #181455

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Source Code Expand

using System;
using System.Collections;
using System.Collections.Generic;

class Myon
{
    public Myon() { }
    public static int Main()
    {
        new Myon().calc();
        return 0;
    }

    void calc()
    {
        string[] st = splitLine(6, 6);
        int txa = getInt(st[0], 0, 1000);
        int tya = getInt(st[1], 0, 1000);
        int txb = getInt(st[2], 0, 1000);
        int tyb = getInt(st[3], 0, 1000);
        int T = getInt(st[4], 1, 50);
        int V = getInt(st[5], 1, 100);

        if (hypot(txa - txb, tya - tyb) > T * T * V * V) myon("takahashikun is too slow");

        int n = getIntLine(1, 1000);
        bool ret = false;

        double eps = 1e-12;

        for (int i = 0; i < n; i++)
        {
            st = splitLine(2, 2);
            int x = getInt(st[0], 0, 1000);
            int y = getInt(st[1], 0, 1000);
            double dist = Math.Sqrt(hypot(txa - x, tya - y)) + Math.Sqrt(hypot(txb - x, tyb - y));
            if (dist - eps < T * V) ret = true;
        }


        if (ret) Console.WriteLine("YES");
        else Console.WriteLine("NO");
    }

    int hypot(int a, int b)
    {
        return a * a + b * b;
    }

    //swap
    void swap<T>(ref T a, ref T b)
    {
        T c = a;
        a = b;
        b = c;
    }

    void myon(string s)
    {
        throw new Exception(s);
    }

    int getInt(string s, int min, int max)
    {
        int ret = int.Parse(s);
        if (ret < min) throw new Exception("low");
        if (ret > max) throw new Exception("high");
        return ret;
    }

    int getIntLine(int min, int max)
    {
        int ret = int.Parse(Console.ReadLine());
        if (ret < min) throw new Exception("low");
        if (ret > max) throw new Exception("high");
        return ret;
    }

    double getDouble(string s, double min, double max)
    {
        double ret = double.Parse(s);
        if (ret < min) throw new Exception("low");
        if (ret > max) throw new Exception("high");
        return ret;
    }

    double getDoubleLine(double min, double max)
    {
        double ret = double.Parse(Console.ReadLine());
        if (ret < min) throw new Exception("low");
        if (ret > max) throw new Exception("high");
        return ret;
    }

    string getString(string s, int min, int max)
    {
        if (s.Length < min) throw new Exception("low");
        if (s.Length > max) throw new Exception("high");
        return s;
    }

    string getStringLine(int min, int max)
    {
        string s = Console.ReadLine();
        if (s.Length < min) throw new Exception("low");
        if (s.Length > max) throw new Exception("high");
        return s;
    }

    string[] splitLine(int min, int max)
    {
        string[] ret = Console.ReadLine().Split(' ');
        if (ret.Length < min || ret.Length > max) throw new Exception("wrong length");
        return ret;
    }
}

Submission Info

Judge Result