Leetcode Daily 85 - Maximal Rectangle
Автор: lazyCap
Загружено: 2026-01-14
Просмотров: 10
🔥 LeetCode 85 – Maximal Rectangle (Hard) 🔥
In this video, we solve LeetCode 85: Maximal Rectangle, a hard-level problem that asks you to find the largest rectangle of 1s in a binary matrix.
📌 Problem summary:
Given a rows x cols matrix filled with 0 and 1, we need to calculate the maximum area rectangle that contains only 1s.
💡 What you’ll learn in this video:
How to convert the matrix problem into a histogram problem
Using stack-based techniques efficiently
Step-by-step dry run for better understanding
Time & space complexity analysis
Clean and optimized code implementation
🧠 Key concepts:
Monotonic stack
Largest Rectangle in Histogram
Dynamic height accumulation
Matrix traversal
⏱ Complexity:
Time: O(rows × cols)
Space: O(cols)
📌 If you’re preparing for:
Coding interviews
FAANG companies
Competitive programming
👉 This problem is a MUST-know!
👍 Like the video if it helps
💬 Comment if you have questions
🔔 Subscribe for more LeetCode solutions!
🔗 Problem link:
LeetCode 85 – Maximal Rectangle
#LeetCode #MaximalRectangle #DataStructures #Algorithms #CodingInterview #Java #Python #DynamicProgramming #Stack
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