hsu1685/2022-leetcode-75-study-plan

Complete the LeetCode 75 study plan using C programming language

2022-leetcode-75-study-plan

Complete the LeetCode 75 study plan using C programming language

About LeetCode 75

• 75 Leetcode Must-know questions
• 关于 leetcode blind 75

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Level 1 總體進度

Easy	Medium	Hard
20	10	0

Day	Title	Complete	Date
01	Prefix Sum	100%	2022-07-07
02	String	100%	2022-07-08
03	Linked List	100%	2022-07-11
04	Linked List	100%	2022-07-11
05	Greedy	100%	2022-07-12
06	Tree	100%	2022-07-15
07	Binary Search	100%	2022-07-13
08	Binary Search Tree	100%	2022-07-22
09	Graph/BFS/DFS	100%	2022-07-22
10	Dynamic Programming	100%	2022-07-22
11	Dynamic Programming	100%	2022-07-27
12	Sliding Window/Two Pointer	100%	2022-07-26
13	Hashmap	100%	2022-07-22
14	Stack	100%	2022-07-21
15	Heap	100%	2022-07-29

Level 1 題目

Day	Title	Problem	Difficulty	Solution
1	Prefix Sum	1480. Running Sum of 1d Array 724. Find Pivot Index	Easy Easy	2022-07-07 2022-07-07
2	String	205. Isomorphic Strings 392. Is Subsequence	Easy Easy	2022-07-08 2022-07-08
3	Linked List	21. Merge Two Sorted Lists 206. Reverse Linked List	Easy Easy	2022-07-11 2022-07-11
4	Linked List	876. Middle of the Linked List 142. Linked List Cycle II	Easy Medium	2022-07-11 2022-07-11
5	Greedy List	21. Best Time to Buy and Sell Stock 409. Longest Palindrome	Easy Easy	2022-07-12 2022-07-12
6	Tree	589. N-ary Tree Preorder Traversal 102. Binary Tree Level Order Traversal	Easy Medium	2022-07-15 2022-07-15
7	Binary Search	704. Binary Search 278. First Bad Version	Easy Easy	2022-07-13 2022-07-13
8	Binary Search Tree	98. Validate Binary Search Tree 235. Lowest Common Ancestor of a Binary Search Tree	Medium Easy	2022-07-22 2022-07-22
9	Graph/BFS/DFS	733. Flood Fill 200. Number of Islands	Easy Medium	2022-07-22 2022-07-22
10	Dynamic Programming	509. Fibonacci Number 70. Climbing Stairs	Easy Easy	2022-07-22 2022-07-22
11	Dynamic Programming	746. Min Cost Climbing Stairs 62. Unique Paths	Easy Medium	2022-07-27 2022-07-27
12	Sliding Window/Two Pointer	438. Find All Anagrams in a String 424. Longest Repeating Character Replacement	Medium Medium	2022-07-26 2022-07-26
13	Hashmap	1. Two Sum 299. Bulls and Cows	Easy Medium	2022-07-22 2022-07-22
14	Stack	844. Backspace String Compare 394. Decode String	Easy Medium	2022-07-21 2022-07-21
15	Heap	1046. Last Stone Weight 692. Top K Frequent Words	Easy Medium	2022-07-29 2022-07-29

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Level 2 總體進度

Easy	Medium	Hard
11	32	2