package com.demo2;
import java.util.Scanner;
/*
* Give you a number on base ten,you should output it on base two.(0 < n < 1000)
*/
public class HDU_oj2051 {
public static void main(String[] args) {
Scanner sn = new Scanner(System.in);
while(sn.hasNext()) {
int n = sn.nextInt(); //十进制,将其转化为二进制
System.out.println(compute(n));
}
sn.close();
}
public static String compute(int num) {
int n = num;
StringBuffer sb = new StringBuffer();
while(n != 0) {
int temp =n % 2; //模2 得到的是最后一位数
sb.append(temp);
n = n/2; //除以基数
}
return sb.reverse().toString();
}
}
package com.demo2;
import java.util.Scanner;
public class HUD_oj2051_1 {
public static void main(String[] args) {
Scanner sn = new Scanner(System.in);
while(sn.hasNext()) {
int n = sn.nextInt(); //十进制,将其转化为二进制
System.out.println(Integer.toBinaryString(n));
}
sn.close();
}
}