HDU2051Bitset

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题目

Give you a number on base ten,you should output it on base two.(0 < n < 1000)

InputFor each case there is a postive number n on base ten, end of file. OutputFor each case output a number on base two. Sample Input

1
2
3

Sample Output

1
10
11

解题

import java.util.Scanner;

public class HDU2051
{
//Bitset 
	public static void main(String[] args)
	{
		Scanner s=new Scanner(System.in);
		while(s.hasNextInt())
		{
			int n=s.nextInt();
			String m="";
			while(n>0)
			{
				m=n%2+m;
				n=n/2;
			}
			System.out.println(m);
		}
	}
}

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@Fanny0602