C program to find the palindrome of a number
/* Write a C program to read a string and check whether it is * * a palindrome or not (without using library functions). Output * ...
https://things-for-students.blogspot.com/2011/12/c-program-to-find-palindrome-of-number.html
/* Write a C program to read a string and check whether it is *
* a palindrome or not (without using library functions). Output *
* the given string along with suitable message */
#include <stdio.h>
#include <conio.h>
#include <string.h>
void main()
{
char string[25], revString[25]={'\0'};
int i,length = 0, flag = 0;
clrscr();
fflush(stdin);
printf("Enter a string\n");
gets(string);
for (i=0; string[i] != '\0'; i++) /*keep going through each */
{ /*character of the string */
length++; /*till its end */
}
for (i=length-1; i >= 0 ; i--)
{
revString[length-i-1] = string[i];
}
/*Compare the input string and its reverse. If both are equal
then the input string is palindrome. Otherwise it is
not a palindrome */
for (i=0; i < length ; i++)
{
if (revString[i] == string[i])
flag = 1;
else
flag = 0;
}
if (flag == 1)
printf ("%s is a palindrome\n", string);
else
printf("%s is not a palindrome\n", string);
} /*End of main()*/
/*----------------------------------------------------
Output
RUN 1
Enter a string
madam
madam is a palindrome
RUN 2
Enter a string
Madam
Madam is not a palindrome
RUN 3
Enter a string
good
good is not a palindrome
----------------------------------------------------------*/