#include<stdio.h>
#include<conio.h>
void main()
{
 int n,r,temp;
 int s=0;
 clrscr();
 printf("enter the number");
 scanf("%d",&n);
 temp=n;
 while(temp>0)
  {
    r=temp%10;
    s=s*10+r;
    temp=temp/10;
  }
  if(n==temp)
    printf(number is pallindrome");
  else
    printf("not pallindrome");
  getch();
}

/*some corrections to above solution*/
#include<stdio.h>
#include<conio.h>
void main()
{
 int n,r,temp;
 int s=0;
 
 printf("enter the number");
 scanf("%d",&n);
 temp=n;
 while(temp>0)
  {
    r=temp%10;
    s=s*10+r;
    temp=temp/10;
  }
  if(n==s)
    printf("number is pallindrome");
  else
    printf("not pallindrome");
  getch();
}

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char a[20],b[20];
int i;
clrscr();
printf("\n Enter the Number or String to find Palindrome");
scanf("%s",a);
strcpy(b,a);
strrev(a);
if(strcmp(a,b)==0)
{
printf("\n Entered data is Palindrome\n");
}
else
{
printf("\n Entered data is not a Palindrome\n");
}
getch();
}

//the palindrome for string can also be written as below, 
without using inbuilt functions.

void main()
{
char str[10];
int flag = 0;
int i , j;

puts("ENTER THE STRING");
fflush(stdin);
gets(str);


for(i = 0 ; str[i] != '\0' ; i++);
i--;

for(j = 0 ; j<i ; j++ , i--)
{
  if(str[j] == str[i])
    flag = 1;
  else
  {
     flag = 0;
     break;
  }
}

if(flag == 1)
  puts("STRING IS A PALINDROME");
else
  puts("STRING IS NOT A PALINDROME");
}

#include<stdio.h>
void main
{
int n,t,d,r;
printf("Enter the number:");
scanf("%d",&n);
t=n;
while(n>=1)
{
d=n%10;
r=(r*10)+d;
n=n/10;
}
if(t==r)
printf("Palindrome");
else
printf("Not a palindrome");
}