What is palindrome number in C?
In this article, we are going to cover the following points
- What is Palindrome number in C?
- Algorithm of Palindrome number
- Implementation of Palindrome Program
Palindrome numbers are referred to as those numbers which give the same number after reversing that number.
For example: Suppose a given number is 1551, then the palindrome number of the given number will be 1551.
2) Palindrome number of 343 will be 343.
Algorithm for Palindrome number in C
Lets write the basic algorithm to check whether the given number is palindrome or not.
- Get the number as input from the user.
- Hold the given number in a new temporary variable.
- Reverse the given number.
- Compare the temporary number with a reversed number.
- If both the temporary number and reverse numbers are the same, then the given number will be palindrome else number is not a palindrome.
Implementation of Algorithm
Write a program to reverse a number and check whether a given number is palindrome or not.
#include
int main()
{
int i=1551,j;
j = i;
int n,rem,quo,newnumber=0;
for(n=1;n<=4;n++)
{
rem=i%10;
if(n == 4)
{
newnumber=(newnumber+rem);
}
else
{
newnumber=(newnumber+rem)*10;
}
quo=i/10;
i=quo;
}
printf("
New number = %d",newnumber);
printf("
Old number = %d",j);
if(j == newnumber)
{
printf("
Palindrome");
}
else
{
printf("
Not Palindrome");
}
}
Output
New number = 1551 Old number = 1551 Palindrome
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