In this video, we solve LeetCode 3195 – Find the Minimum Area to Cover All Ones I step by step. 🚀
We go through the problem statement, solution approach, and implementation in detail so you can easily understand and apply it in coding interviews or contests.
🔹 Problem Summary:
Given a binary matrix, you need to find the minimum area of a rectangle that covers all the 1s in the matrix.
🔹 Solution Approach:
Traverse the entire matrix to find the minimum and maximum row & column containing 1.
Calculate the area as:
(maxRow−minRow+1)×(maxCol−minCol+1)
🔹 Time Complexity:
O(m × n), where m is the number of rows and n is the number of columns (we scan the whole matrix once).
🔹 Space Complexity:
O(1), since we only use a few variables to store boundaries.
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3195 Find the Minimum Area to Cover All Ones I | Leetcode | Solution | Java | NatokHD