#include "stdio.h"
#include "malloc.h"


int exchange(int a)
{
	int result=0;

	while(a>10)
	{
		result=result+a%10;
		a=a/10;
	}
	result+=a;

	if(result>10)
	result=exchange(result);

	return result;

}



int main()
{
  int a[100000]={0},i=0,k=0;

    while(1)
	{
		scanf("%d",&a[i]);

		
		if(a[i]==0)break;
	    a[i]=exchange(a[i]);
		i++;
	}  
	while(a[k]!=0)
	{
		printf("%d\n",a[k]);
		k++;
	}
 

	return 0;
}

• Re:我的电脑上运行是对的，而提交后wrong answer．不知输入数组int a[100000]够不够大．若不够怎样设？ (555) scauben0 2005-10-02 14:07:34
• Re:我的电脑上运行是对的，而提交后wrong answer．不知输入数组int a[100000]够不够大．若不够怎样设？ (545) scauben0 2005-10-02 14:08:45