#include<stdio.h>
#define MAX 12
void main(){
	long a,b,c[MAX]={0},d[MAX]={0};
	scanf("%ld%ld",&a,&b);
	while(a!=0&&b!=0){
		int i=0,totol=0,mid=0;
		if(a==0||b==0)
			printf("No carry operation.\n");
		else{
			if(a<0)
				mid+=1;
			if(b<0)
				mid+=1;
			if(mid==1)
				printf("No carry operation.\n");
			else{
				a=a>0?a:-a;
				b=b>0?b:-b;
				while(a>0){
					c[i]=a%10;
					a=a/10;
					i=i+1;
				}
				i=0;
				while(b>0){
					d[i]=b%10;
					b=b/10;
					i=i+1;
				}
				for(i=0;i<MAX;i++){
					if(c[i]+d[i]>=10){
						c[i+1]+=1;
						totol+=1;
					}
					c[i]=0;d[i]=0;
				}
				if(totol==0)
					printf("No carry operation.\n");
				else if(totol==1)
					printf("1 carry operation.\n");
				else 
					printf("%d carry operations.\n",totol);
			}
		}
		scanf("%ld%ld",&a,&b);
	}
}

• 实际不用这么繁... (602) sza 2006-02-10 14:48:48