Leetcode 分类

2022

03-19

[LeetCode][895. Maximum Frequency Stack] HashMap Solution with Detailed Explanation

03-18

[LeetCode][316. Remove Duplicate Letters] The Detailed Explanation with 3-Steps to Understand the Stack Approach

03-17

[LeetCode][856. Score of Parentheses] The Tricky and Clean Solution: Replace Core by 1

03-16

[LeetCode][946. Validate Stack Sequences] 4 Approaches: Stack, Array and Greedy

03-15

[Leetcode][1249. Minimum Remove to Make Valid Parentheses] Stack Solution with Easy Detailed Explanation

03-14

[Leetcode][71. Simplify Path] Stack Solution with Easy Detailed Explanation

02-20

[LeetCode][39. Combination Sum] Easy Backtracking Approach: Deduplicating and Pruning

02-18

[LeetCode][287. Find the Duplicate Number] 9 Approaches：Brute Force, Count, Hash, In-place Marked, Sorting, Index Sort, Binary Search, Bit Manipulation, Fast Slow Pointers

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