UVa 424 - Integer Inquiry

/**
 * Author: Gneveek
 * Data: 2011-10-10 今天是双十节，祝贺一下。 ROC Good！ 
 * Descripition:  UVa 424 - Integer Inquiry 
 */ 
#include <stdio.h>
#include <string.h>

char value[105];
int sum[120] = {0};

int main()
{
	//freopen("C:\\in.txt","r",stdin);
	int i,j,temp;
	while(gets(value),value[0] != '0')
	{
		j = strlen(value);
		int c = 0;		
		for(i=0; i<120; i++)
		{
			if(i < j)
				temp = sum[i] + value[j-1-i] + c - '0';
			else
				temp = sum[i] + c;
			
			if(i >= j && temp == 0)
				break;
			
			sum[i] = temp % 10;
			c = temp / 10;
			
		}		
	}
	
	for(i--; i>=0; i--)
		printf("%d",sum[i]);
	putchar('\n');
	return 0;
}