import java.io.*;
import java.util.*;
class Main{
public static void main(String[] args)throws IOException{
Scanner s=new Scanner(new BufferedInputStream(System.in));
int j;
for(j=0;;j++){
	long m=s.nextLong();
	if(m==0)
		break; 
	while(m>9){
		long samp=0;
		String str=String.valueOf(m);
		char[] ch=str.toCharArray();
		for(int i=0;i<ch.length;i++){
			samp+=ch[i]-48; 
		}
	m=samp;	
	}
System.out.println(m);
 }

}
}

• Re:请大牛们帮忙看下为什么总是runtime error-_-!!!!! java!! (6) 3141527828 2011-04-12 11:04:07
• Re:请大牛们帮忙看下为什么总是runtime error-_-!!!!! java!! (494) crazyyangdan 2011-05-28 15:24:29