华为2017年大牛机试题—10进制转换位12进制

import java.util.*;
public class Main {

public static void main(String[] args) {
// TODO Auto-generated method stub

Scanner in=new Scanner(System.in);
StringBuilder builder=new StringBuilder();
while(in.hasNext()){
int num=in.nextInt();
while(num>=12){
int temp=num%12;
num=num/12;
if (temp<10) {
builder.append(temp);
}
else if (temp==10){
builder.append('A');
}
else {
builder.append('B');
}
}
if (num<10) {
builder.append(num);
}
else if (num==10){
builder.append('A');
}
else {
builder.append('B');
}
System.out.println(builder.reverse().toString());
builder.delete(0, builder.length());
}
in.close();
}

}