C++ Program to Reverse a number using the function
In this Program, You will learn how to Reverse a number using the function in C++.
123 After Reverse => 321
101 After Reverse => 101
Example: How to Reverse a number using the function in C++.
#include<iostream>
using namespace std;
int reverse(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;
cout << "Enter a number:";
cin>>n;
rev = reverse(n);
cout << "Reverse number is:" << rev;
return 0;
}
Output:
Enter a number:123
Reverse number is:321