LeetCode #7 C++ Solution | Reverse Integer Explained Easily

This video, created by Harshid Soni, provides a detailed, step-by-step tutorial on solving the LeetCode #7: Reverse Integer problem in C++.

Video Summary
Problem Statement: The goal is to reverse the digits of a signed 32-bit integer. If the reversed integer exceeds the 32-bit range (
to
), the function must return zero (0:00 - 1:54).
Logic & Algorithm: The host explains the mathematical approach using a while loop, where the last digit of the number is extracted using the modulo operator (% 10) and then added to a new reversed integer variable (2:16 - 8:13).
Handling Overflow: A critical part of the tutorial is ensuring the solution adheres to 32-bit integer constraints. The host demonstrates how to check for potential overflow before performing operations (8:24 - 10:41).
Code Walkthrough & Dry Run: The video includes a live walkthrough of the code and a manual dry run (11:14 - 13:34) to visualize how the integer is built digit-by-digit.
Complexity Analysis: The tutorial concludes with a discussion on time and space complexity, noting an
time complexity and
space complexity (13:41 - 14:21).

Видео LeetCode #7 C++ Solution | Reverse Integer Explained Easily канала Harshid Soni