C Program to reverse a number using the function
In this program, You will learn how to reverse a number using a function in c.
123 => 321
456 => 654
Example: How to reverse a number using a function in c.
#include<stdio.h>
int reverseNum(int n) {
int r, rev = 0;
while (n > 0) {
r = n % 10;
rev = rev * 10 + r;
n = n / 10;
}
return rev;
}
int main() {
int n, rev = 0;
printf("Enter a number:");
scanf("%d", &n);
rev = reverseNum(n);
printf("Reverse number is:%d", rev);
return 0;
}
Output:
Enter a number:123
Reverse number is:321