Can You Solve This Grid Problem? (Largest Magic Square)

Video Description:

In this video, we tackle LeetCode 1895: Largest Magic Square. This is a Medium-level grid problem that tests your ability to iterate through matrices and validate specific constraints efficiently.

I’ll walk you through my C++ solution, explaining how to check every possible square within the grid to find the largest one where all rows, columns, and diagonals sum to the same value.

🔗 Problem Link:https://leetcode.com/problems/largest...

💻 Source Code: [Link to your GitHub / Pastebin / or "See Pinned Comment"]

⏱️ Timestamps: 0:00 - Introduction 0:45 - Problem Statement Explained 2:10 - Logic & Approach (Brute Force Strategy) 4:30 - C++ Code Walkthrough 8:00 - Complexity Analysis 9:15 - Final Submission

📝 Key Concepts Covered:

2D Arrays / Grid Traversal

Matrix implementation in C++

Optimizing search for "Largest" element

Row, Column, and Diagonal Sum validation

💡 Problem Summary: Given an m x n integer grid, we need to return the size (side length k) of the largest magic square found within the grid. A magic square has equal sums for every row, every column, and both diagonals.

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