C++-HDU1000,1001,1002-格式是真的坑

 #include <cstdio>

 int main(){

     for(int a,b;~scanf("%d%d",&a,&b);printf("%d\n",a+b));

     return ;

 }

hdu1000

 #include <cstdio>

 int main(){

     for(int n;scanf("%d",&n)!=EOF;printf("%d\n\n",(n%==?((n/)*(+n)):((+n)/)*n)));

     return ;

 }

hdu1001

 #include <cmath>

 #include <cstdio>

 #include <cstring>

 #include <algorithm>

 using namespace std;

 int main() {

     char s1[],s2[],s3[];

     int num1[],num2[],num3[],t,T;

     for(scanf("%d",&T),t=; t<=T; t++) {

         scanf("%s%s",s1,s2);

         memset(num1,,sizeof(num1));

         memset(num2,,sizeof(num2));

         memset(num3,,sizeof(num3));

         memset(s3,,sizeof(s3));

         int len1=strlen(s1),len2=strlen(s2),len3=max(len1,len2);

         for(int i=len1-,cnt=;i>=;num1[cnt++]=s1[i]-'',i--);

         for(int i=len2-,cnt=;i>=;num2[cnt++]=s2[i]-'',i--);

         for(int i=;i<len3;i++)num3[i]=num1[i]+num2[i];

         for(int i=;i<len3;i++)if(num3[i]>)num3[i+]++,num3[i]%=;

         if(num3[len3])len3++;

         for(int i=len3-,cnt=; i>=; i--) s3[cnt++]=num3[i]+'';

         printf("Case %d:\n%s + %s = %s\n",t,s1,s2,s3);

         if(t!=T)printf("\n");

     }

     return ;

 }

hdu1002