Since it handles only unsigned numbers, do not input any negative numbers. My function is not comparing the 2 characters in my string. For uneven words say 7 the c ounter will go from 0 to 2, leaving the middle element unchecked. It took almost 3 hours to resolve the issues. If this condition is True, then it is Palindrome else the given number is not Palindrome number.
Please refer C Program to Check Whether a Number is a Palindrome or Not Using While Loop Analysis section. Please note that for numbers, the data types are defined in unsigned long to handle large numbers. This digit is then added to the rev variable. Before adding the digit to rev, we first need to multiply the current data in the rev variable by 10 in order to add the digit to the n th place in the number. C Program to Check the Given String is Palindrome Example 1 This allows the user to enter a string or character array , and a character value.
The number of iterations needed is half the string length. Compare it with the number entered by the user. Store it in some variable say num. For example, some palindrome numbers are 8, 121, 212, 12321, -454. To check whether a number is a palindrome or not first we reverse it and then compare the number obtained with the original number, if both are same then the number is palindrome otherwise not. Of course a string can handle numbers too, but still I wanted to make a separate function for it.
Next, We assign the original value to the Temp variable. Now to check whether the entered number is a palindrome number if reverse of the number is equal to its original or not a palindrome number if reverse of the number is not equal to its original , you have to first reverse the number and check whether reverse is equal to original or not. In this article, we show you, How to write a Program for Palindrome in to Check Whether the Number is Palindrome or Not. We also show you the Palindrome Numbers from 1 to 1000. What is a palindrome string? Check palindrome number algorithm To test if a number is palindrome or not, do the following steps: 1. Learn more - About Pankaj Pankaj Prakash is the founder, editor and blogger at Codeforwin. In this article, we will show you, How to write a Program to Check the Given String is Palindrome using Built-in functions, and without using built-in functions.
In the above program, use is asked to enter a positive number which is stored in the variable num. If you miss this statement then, after completing the first line it will terminate. I suggest you to refer article to understand the steps involved in string reverse. For example: in the number 123, 3 is in the zero th place, 2 in the one th place and 1 in the hundred th place. So, Flag is still 0 Next, we used to check the Flag value is 0 or not.
Example Input Input any number: 121 Output 121 is palindrome Required knowledge , , What is Palindrome number? If both of them have the same sequence of characters, i. If the string has an odd number of characters then the character in the middle of the string is not going to be compared with any other character. Above C++ Programming Example Output palindrome :. When I type a single character it answers palindrome but if it is two or more always not palindrome. That's really quick and dirty.
This number is then compared to the original number n. The same is done in the code above. A Palindrome string reads the same from left to right and from right to left as in the following example: Rats live on no evil star Solution We need one pass through the characters of the string to get the string length or use a built in function to get that. In short Pankaj is Web developer, Blogger, Learner, Tech and Music lover. The use of IntCtr and IntCtr2 is very confusing; perhaps you need just one variable here? For example: 121, 12321, 1001 etc. Remember, If condition in any of the loop is True then Flag value will become one, and string will not be palindrome Let me check another string C Program to Check the Given String is Palindrome Example 2 This is same as above but we changed the logic a bit.
Our program works as follows: at first, we copy the entered string into a new string, and then we reverse it and compare it with original string. C program of Palindrome It is been a tough day for me finalizing this code. For this Palindrome in C program, we use while Loop, For Loop, Functions and Recursion. This program takes an integer from user and that integer is reversed. A palindrome number is a number which is equal to its reverse.