Leetcode 快速複習的題目

個人刷leetcode地方，不一定每題都為最佳最速解

多為 'Top Interview 150' & 'blink 75' 的選題，其中同一題目會出現在不同類型，所以會重複

多為 'Top Interview **150'** & 'blink 75' ****的選題，其中同一題目會出現在不同類型，所以會重複

下方勾勾完全沒作用，單純複習時方便，但重新整理或離開就刷新

演算法

Binary Search

入門

• Leetcode-34-Find-First-and-Last-Position-of-Element-in-Sorted-Array
• Leetcode-35-Search-Insert-Position
• Leetcode-74-Search-a-2D-Matrix

進階

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Depth-First Search Breadth-First Search

入門

• Leetcode-100-Same-Tree
• Leetcode-101-Symmetric-Tree
• Leetcode-226-Invert-Binary-Tree
• Leetcode-530-Minimum-Absolute-Difference-in-BST

進階

• Leetcode-79-Word-Search
• Leetcode-114-Flatten-Binary-Tree-to-Linked-List
• Leetcode-116-Populating-Next-Right-Pointers-in-Each-Node
• Leetcode-117-Populating-Next-Right-Pointers-in-Each-Node-II
• Leetcode-124-Binary-Tree-Maximum-Path-Sum
• Leetcode-133-Clone-Graph
• Leetcode-450-Delete-Node-in-a-BST
• Leetcode-684-Redundant-Connection
• Leetcode-909-Snakes-and-Ladders

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Backtracking

入門

進階

• Leetcode-52-N-Queens-II
• Leetcode-79-Word-Search
• Leetcode-212-Word-Search-II

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Divide and Conquer

入門

• Leetcode-104-Maximum-Depth-of-Binary-Tree

進階

• Leetcode-23-Merge-k-Sorted-Lists
• Leetcode-53-Maximum-Subarray
• Leetcode-105-Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal
• Leetcode-148-Sort-Listk
• Leetcode-427-Construct-Quad-Tree

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Dynamic Programming

入門

• Leetcode-45-Jump-Game-II
• Leetcode-70-Climbing-Stairs
• Leetcode-198-House-Robber
• Leetcode-392-Is-Subsequence

進階

• Leetcode-53-Maximum-Subarray
• Leetcode-55-Jump-Game
• Leetcode-62-Unique-Paths
• Leetcode-87-Scramble-String
• Leetcode-120-Triangle
• Leetcode-139-Word-Break
• Leetcode-221-Maximal-Square
• Leetcode-300-Longest-Increasing-Subsequence
• Leetcode-322-Coin-Change

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Greedy

入門

• Leetcode-45-Jump-Game-II
• Leetcode-53-Maximum-Subarray
• Leetcode-121-Best-Time-to-Buy-and-Sell-Stock
• Leetcode-435-Non-overlapping-Intervals

進階

• Leetcode-55-Jump-Game
• Leetcode-122-Best-Time-to-Buy-and-Sell-Stock-II
• LLeetcode-134-Gas-Station
• Leetcode-135-Candy

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Union Find

入門

進階

• Leetcode-684-Redundant-Connection

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Two Pointer

two point 重點(同向)

0~i : 已經處理過要保留的

i~j : 已經處理過 不需要保留

j~ : 未見過得

two point 重點(反向)

0~i : 已經處理過要保留的

i~j : 未處理

j~ : 已經處理過要保留的

入門

• Leetcode-26-Remove-Duplicates-from-Sorted-Array
• Leetcode-27-Remove-Element
• Leetcode-88-Merge-Sorted-Array
• Leetcode-392-Is-Subsequence
• Leetcode-202-Happy-Number

進階

• Leetcode-80-Remove-Duplicates-from-Sorted-Array-II
• Leetcode-189-Rotate-Arra

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Sliding Window

入門

• Leetcode-76-Minimum-Window-Substring

進階

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資料結構

Linked List

入門

• Leetcode-23-Merge-k-Sorted-Lists

進階

• Leetcode-92-Reverse-Linked-List-II
• Leetcode-148-Sort-Listk

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hash map

入門

• Leetcode-76-Minimum-Window-Substring
• Leetcode-149-Max-Points-on-a-Line
• Leetcode-169-Majority-Element
• Leetcode-205-Isomorphic-Strings
• Leetcode-383-Ransom-Note

進階

• Leetcode-146-LRU-Cache
• Leetcode-380-Insert-Delete-GetRandom-O-1

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Stack

入門

進階

• Leetcode-224-Basic-Calculator

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Queue

入門

• Leetcode-909-Snakes-and-Ladders
• Leetcode-933-Number-of-Recent-Calls

進階

• Leetcode-909-Snakes-and-Ladders
• Leetcode-862-Shortest-Subarray-with-Sum-at-Least-K

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Graph

入門

• Leetcode-841-Keys-and-Rooms

進階

• Leetcode-133-Clone-Graph
• Leetcode-684-Redundant-Connection
• Leetcode-1319-Number-of-Operations-to-Make-Network-Connected

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Heap

入門

進階

• Leetcode-855-Exam-Room

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Array / String

入門

• Leetcode-14-Longest-Common-Prefix

進階

• Leetcode-274-H-Index
• Leetcode-949-Largest-Time-for-Given-Digits

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Bit Manipulation

入門

• Leetcode-67-Add-Binary
• Leetcode-190-Reverse-Bits

進階

• Leetcode-201-Bitwise-AND-of-Numbers-Range

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Tree

入門

• Leetcode-104-Maximum-Depth-of-Binary-Tree

進階

• Leetcode-114-Flatten-Binary-Tree-to-Linked-List
• Leetcode-116-Populating-Next-Right-Pointers-in-Each-Node
• Leetcode-117-Populating-Next-Right-Pointers-in-Each-Node-II
• Leetcode-450-Delete-Node-in-a-BST

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Trie

入門

進階

• Leetcode-212-Word-Search-II

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Math

入門

• Leetcode-149-Max-Points-on-a-Line
• Leetcode-172-Factorial-Trailing-Zeroes

進階

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