| #include<stdio.h>
|
| #include<string.h>
|
| int main()
|
| {
|
| char a[20],b[20],e[20],d[20];
|
| int p,c,i,l,s,len,y,k,n,j;
|
| while(scanf("%s%s",a,b)==2)
|
| {
|
| k=(a[0]-'0');
|
| l=(b[0]-'0');
|
| if(k==0&&l==0)
|
| break;
|
| l=strlen(a);
|
| len=strlen(b);
|
| if(l>len)
|
| {
|
| y=l;
|
| n=l-len;
|
| for(i=0;i<n;i++)
|
| d[i]='0';
|
| for(i=i,j=0;j<len;i++,j++)
|
| d[i]=b[j];
|
| d[l]='\0';
|
| strcpy(e,a);
|
| }
|
|
|
| else if(l<len)
|
| {
|
| y=len;
|
| n=len-l;
|
| for(i=0;i<n;i++)
|
| e[i]='0';
|
| for(i=i,j=0;j<l;i++,j++)
|
| e[i]=a[j];
|
| e[len]='\0';
|
| strcpy(d,b);
|
| }
|
| else if(l==len)
|
| {
|
| y=l;
|
| strcpy(e,a);
|
| strcpy(d,b);
|
| }
|
|
|
| c=0;
|
| p=0;
|
| for(i=y;i>=0;i--)
|
| {
|
| s=(e[i]-'0')+(d[i]-'0');
|
| if(s>=10)
|
| {
|
| c++;
|
| e[i-1]++;
|
| }
|
| }
|
| if(c==0)
|
| printf("No carry operation.\n");
|
| else if(c==1)
|
| printf("1 carry operation.\n");
|
| else
|
| printf("%d carry operations.\n",c);
|
| }
|
| return 0;
|
| }
|
|
|
