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1002.c
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1002.c
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#include<stdio.h>
#include<string.h>
int shu(char a)
{
return (a-'0');
}
int main(){
char a[1000],b[1000];
int num[1001];
int n,i,j=1,al,bl,k,t;
scanf("%d",&n);
while(n--)
{
if(j!=1)
printf("\n");
scanf("%s",a);
al=strlen(a);
scanf("%s",b);
bl=strlen(b);
k=(al>bl)?al:bl;
for(i=0;i<=k;i++)
num[i]=0;
t=k;
for(k;al>0&&bl>0;k--)
{
num[k]+=shu(a[--al])+shu(b[--bl]);
if(num[k]/10)
{
num[k-1]++;
num[k]%=10;
}
}
while(al>0)
{
num[k--]+=shu(a[--al]);
if(num[k+1]/10)
{
num[k]++;
num[k+1]%=10;
}
}
while(bl>0)
{
num[k--]+=shu(b[--bl]);
if(num[k+1]/10)
{
num[k]++;
num[k+1]%=10;
}
}
printf("Case %d:\n",j++);
printf("%s + %s = ",a,b);
for(i=0;i<=t;i++)
{
if(i==0&&num[i]==0)
i++;
printf("%d",num[i]);
}
printf("\n");
}
return 0;
}