to check if number is a palindrome or not
#include <stdio.h>
int main()
{
int num, n, remainder, rev=0;
scanf("%d", &num);
n=num;
while(num!=0)
{
remainder=num%10;
rev=rev*10+remainder;
num/=10;
}
printf("%d %d\n", n, rev);
if(rev==n)
printf("it's a palindrome");
else
printf("it's not a palindrome");
return 0;
}
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