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错了。。不知道为什么？#include<stdio.h>
void main(){
int m[41],n[41],r[81];
int temp,k;
int i=1,j=1,s,u;
char t;
for(s=1;s<81;s++)
r[s]=0;
while(1){
scanf("%c",&t);
if((int)t<'0'||(int)t>'9')
break;
m[i++]=(int)t-'0';
}
for(temp=1;temp<=(int)(i-1)/2;temp++)
{k=m[temp];m[temp]=m[i-temp];m[i-temp]=k;}
while(1){
scanf("%c",&t);
if((int)t<'0'||(int)t>'9')
break;
n[j++]=(int)t-'0';
}
for(temp=1;temp<=(int)(j-1)/2;temp++)
{k=n[temp];n[temp]=n[j-temp];n[j-temp]=k;}
for(s=1;s<j;s++)
for(u=1;u<i;u++)
{
r[u+s-1]+=m[s]*n[u];
for(k=1;;k++)
if((temp=r[u+s-1+k-1]/10)!=0)
{r[u+s-1+k-1]=r[u+s-1+k-1]%10;
r[u+s-1+k-1+1]+=temp;
}
else break;
}
for(i=80;r[i]==0;i--){}
for(j=i;j>0;j--)
printf("%d",r[j]);
}
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