View Code of Problem 92

#include<stdio.h>
int s(int i)
{
int j,k;
  for(k=2;k<i;k++)
	  if(i%k==0)
		  return 0;
	  

}
int hui(int x)
{
int a[6],i,n;
n=0;
while(x)
{
a[n++]=x%10;
x=x/10;
}
for(i=0;i<n;i++)
   if(a[i]!=a[n-i-1])
   {return 0;
   break ;}
 if(i>n/2) return 1;


}

int main()
{
int i,k,a,b,j=0;
scanf("%d%d",&a,&b);
for(i=a;i<=b;i++)
{if(hui(i)&&s(i)){
j++;
printf("%6d",i);
if(j%5==0)
printf("\n");
}
}


}