2楼用的是什么语言,自己发明的?
2楼的意思应该大概是这样吧.
import java.io.*;
public class TenToTwo {
public static void main(String []args) throws Exception {
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
String c=br.readLine();
int a=Integer.parseInt(c);
String b="";
do {
b=(a%2)+b;
a=a/2;
} while(a!=0);
}
}