Submission #122102

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Source Code Expand

import java.util.*;
import java.io.*;
import java.math.*;
import static java.lang.Math.*;
import static java.util.Arrays.*;
import static java.lang.System.*;

public class Main{
    static Scanner sc = new Scanner(System.in);
    void run(){
        int n = sc.nextInt();
        long sum = 0;
        for(int i = 1;i <= n;i++){
            sum += i * 10000;
        }
        System.out.println((double)sum/(double)n);
    }

    public static void main(String[] args){
        new Main().run();
    }
}

Submission Info

Judge Result