HDOJ2051_Bitset

Problem Description Give you a number on base ten,you should output it on base two.(0 < n < 1000) Input For each case there is a postive number n on base ten, end of file. Output For each case output a number on base two. Sample Input

1
2
3
        

Sample Output

1
10
11
  
  

  
  
          
import java.util.Scanner;
/**
 * 位集合
 * 題目的意思也就是将一個十進制的數轉換為二進制然後輸出
 * @author 逸川同學
 *
 */
public class P2051 {
	private static Scanner scanner;
	public static void main(String[] args) {
		scanner = new Scanner(System.in);
		while(scanner.hasNext()){
			int n = scanner.nextInt();
			String string = "";
			while(n>0){
				string = n%2+string;
				n = n/2;
			}
			System.out.println(string);
		}
	}
}