#include<stdio.h>
#include<string.h>
int main ()
{
char st[1000];
int i,lenth,flag=0;
//printf("%d",lenth);
for(i=0;i<lenth/2;i++,lenth--)
{
if(st[i]!=st[lenth])
flag=1;
}
if(flag)
else
return 0;
}
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