exercise 6b C program for Palindrome

/*Write a C program to determine if the given string is a palindrome or not
*/
#include<stdio.h>
#include<conio.h>
#include<string.h>
main()
{
   char a[35];
   int j,i,sl,flag=0;
   printf("\n This program checks the validity of a string as a palindrome");
   printf("\n Enter the String to verify ");
   gets(a);
   sl=strlen(a);
   for(i=0,j=sl-1;i!=j;i++,j--)
   {
     if(a[i]!=a[j])
       {
          printf("\n The given string is not a palindrome");
           flag=1;
          break;
        }
   }
   if(flag==0)
   {
   printf("\n the given string is a palindrome");
   }
}