DS Questions - Question 2

q2.java

package q2;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) {
		int a = 0;
		try {
			a = new Integer(new BufferedReader(new InputStreamReader(System.in)).readLine()).intValue();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.print(a + " = ( ");
		
		String ans = "";
		while(a!=0){
			int b = a%2;
			ans += b;
			a /= 2;
		}
		System.out.println(new StringBuilder(ans).reverse().toString() + " )2");
		
	}
}