HDU-1002-大数加法

#include<stdio.h> #include<string.h> int a[1100],b[1100]; char a1[1100],b1[1100]; int main() { ??? int i,j,k,t,p; ??? //scanf("%s,%s",a1,b1); ??? scanf("%d",&t); ??? p=0;k=t; ??? while(t--) ??? { ??? scanf("%s",a1);//scanf("%s %sn",a,b);这个写法错误后面不能加 n ??? scanf("%s",b1); ??? memset(a,sizeof(a)); ???? memset(b,sizeof(b)); ??? for(j=0,i=strlen(a1)-1;i>=0;i--) ??? a[j++]=a1[i]-'0';//数字字符转换成数值数字； ??? for(j=0,i=strlen(b1)-1;i>=0;i--) ??? b[j++]=b1[i]-'0'; ????????? for(i=0;i<1000;i++) ?????????? { ????????? a[i]+=b[i]; ?????????? if(a[i]>=10)//看是否要进位 ???????????? {????? ???????????? a[i]-=10; ???????????? a[i+1]++; ????????????? } ?????????? }? ?????????? p++;? ?????????? printf("Case %d:n",p);?????????? ??????? printf("%s + %s = ",b1);??????????????? ??????? for(i=1000;(i>=0)&&(a[i]==0);i--); ?????? if(i>=0) ?????????? for(;i>=0;i--) ??????????? printf("%d",a[i]); ?????? else printf("0"); ?????? printf("n"); ?????? if(p<k) ?????? printf("n"); ? }? ??? //while(1); return 0;??? }