Monotonic Stack

Problems using monotonic stack techniques

32 lessons
82 min

Lessons

1. What is Monotonic Stack

Pattern overview

2m

2. Prerequisites

What you need first

1m

3. When to Use

Pattern triggers

2m

4. When NOT to Use

Avoid forcing this pattern

2m

5. LeetCode 496 Next Greater Element I - Problem Statement

The problem

2m1 problems

6. LeetCode 496 Next Greater Element I - Solution

The core idea

3m

7. LeetCode 496 Next Greater Element I - Example and Complexity Analysis

Walkthrough and analysis

3m

8. LeetCode 496 Next Greater Element I - Implementation

The approach

4m1 problems

9. LeetCode 739 Daily Temperatures - Problem Statement

The problem

2m1 problems

10. Quiz: Monotonic Stack Property

Test your understanding

2m1 problems

11. LeetCode 739 Daily Temperatures - Why Naive Fails

The trap

2m

12. LeetCode 739 Daily Temperatures - Solution

The core idea

3m

13. LeetCode 739 Daily Temperatures - Example and Complexity Analysis

Walkthrough and analysis

3m

14. LeetCode 739 Daily Temperatures - Implementation

The approach

4m1 problems

15. LeetCode 503 Next Greater Element II - Problem Statement

The problem

2m1 problems

16. LeetCode 503 Next Greater Element II - Why Naive Fails

The trap

2m

17. LeetCode 503 Next Greater Element II - Solution

The core idea

3m

18. LeetCode 503 Next Greater Element II - Example and Complexity Analysis

Walkthrough and analysis

3m

19. LeetCode 503 Next Greater Element II - Implementation

The approach

4m1 problems

20. LeetCode 907 Sum of Subarray Minimums - Problem Statement

The problem

2m1 problems

21. LeetCode 907 Sum of Subarray Minimums - Why Naive Fails

The trap

2m

22. LeetCode 907 Sum of Subarray Minimums - Solution

The core idea

3m

23. LeetCode 907 Sum of Subarray Minimums - Example and Complexity Analysis

Walkthrough and analysis

3m

24. LeetCode 907 Sum of Subarray Minimums - Implementation

The approach

4m1 problems

25. LeetCode 84 Largest Rectangle in Histogram - Problem Statement

The problem

2m1 problems

26. Quiz: Rectangle Extension

Test your understanding

2m1 problems

27. LeetCode 84 Largest Rectangle in Histogram - Why Naive Fails

The trap

2m

28. LeetCode 84 Largest Rectangle in Histogram - Solution

The core idea

3m

29. LeetCode 84 Largest Rectangle in Histogram - Example and Complexity Analysis

Walkthrough and analysis

3m

30. LeetCode 84 Largest Rectangle in Histogram - Implementation

The approach

4m1 problems

31. Common Mistakes

Common errors to avoid

2m

32. Section Recap

Summary

1m

Practice Problems

1.
Maximal Rectangleleetcodehard
2.
132 Patternleetcodemedium

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