How to Reverse a Number in C++
In this lesson, we write a C++ program that takes a number and reverses it.
For example:
If the user enters 1234
The output will be: 4321
In this video, you will learn:
How to take a positive number from the user
How to extract the last digit using the modulo operator
How to remove the last digit using division
How to build a new reversed number step by step
How to solve this problem using a do-while loop in C++
Important difference:
In the previous lesson, we printed the digits in reverse order.
In this lesson, we do more than printing.
We build and return a new reversed number that we can save, compare, and use again in other problems such as palindrome number.
This lesson is great for C++ beginners who want to improve problem-solving skills, loop logic, number manipulation, and function-based thinking.
This lesson 7 of Course 4: Problem Solving for Programmers using C++ (part 2) – Beginner Track
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