Uva 10106 Product

WA了两次，只是因为没有考虑结果为0 的情况……呜呜~~~

#include<stdio.h>#include<string.h>char a[1000],b[1000];int sum[1000];int main(void){memset(a,0,sizeof(a));memset(b,0,sizeof(b));int i, j;while(scanf("%s%s",a,b) == 2){memset(sum,0,sizeof(sum));for(i =0,j= strlen(a)-1;i < j;i++,j--){int temp = a[i];a[i] = a[j] ;a[j] = temp;} for(i =0,j= strlen(b)-1;i < j;i++,j--){int temp = b[i];b[i] = b[j] ;b[j] = temp;}int count = 0;for(i = 0;i< strlen(a);i++){count = 0;for(j = 0;j <strlen(b);j++){int temp = (a[i]-48)*(b[j]-48) + count +sum[i+j];sum[i+j] = temp%10;count = temp/10;}sum[i+j] = count;}for(i = 999;i>0;i--) if(sum[i]) break;for(j = i;j >= 0;j--) printf("%d",sum[j]);printf("/n");}return 0;}