Palindrome:
1.PALINDROME WITHOUT USING BUILTIN FUNCTION:
#include<stdio.h>
void main()
{
char a[100],i,j,equal=0,k;
scanf("%s",a);
for(i=0;a[i]!='\0';i++);
for(j=i-1,k=0;a[k]!='\0';j--,k++)
if(a[j]==a[k])
equal++;
if(equal==i)
printf("%s is a palindrome",a);
else
printf("%s is not a palindrome",a);
}
#include<stdio.h>
void main()
{
char a[100],i,j,equal=0,k;
scanf("%s",a);
for(i=0;a[i]!='\0';i++);
for(j=i-1,k=0;a[k]!='\0';j--,k++)
if(a[j]==a[k])
equal++;
if(equal==i)
printf("%s is a palindrome",a);
else
printf("%s is not a palindrome",a);
}
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