OJ Board

Yes,But I had submitted once and got a wrong,but this time,the code hasn't been changed,this is very strange!!

I had submitted this for three times but it still wrong.I'm think there is an error where not discovered.

Really?I'm think so too.But I really got a WA?

#include<stdio.h>

int Output(int Amplitude)
{
int index;
for(index=1;index<=Amplitude;++index)
{
for(int j=0;j!=index;++j)
printf("%d",index);
printf("\n");
}
for(index=index-2;index!=0;--index)
{
for(int j=0;j!=index;++j)
printf("%d",index);
printf("\n");
}
return 0;
}
int main(void ...

brianfry713 wrote:after each output line, you must print an empty line.

You're right,The program is AC,Thank you very much.

#include<stdio.h>
#include<string.h>
#define N 30
char reverse[]={"A000300HIL0JM0O0002TUVWXY51SE0Z0080"};

bool isRegular(char* str)
{
bool flag=true;
int beg=0,end=strlen(str)-1;
while(beg<=end)
{
if(str[beg]!=str[end])
{
flag=false;
break;
}
++beg;
--end;
}
return flag;
}

bool ...