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All Projects → huxiaoman7 → Leetcodebook

huxiaoman7 / Leetcodebook

leetcode 1~400知识点&题型总结&leetcode对应题表

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python
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leetcode

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LeetCode-book

  • LeetCode 1~400题总结 + 专题知识点&题型总结

Leetcode知识点详解&题型总结

LeetCode题目分类

数组类题目

K-SUM类题目

序号 题目 难度 代码
1 Two Sum easy python、java、c++
167 Two Sum II - Input array is sorted Easy python、java、c++
15 3Sum Medium python、java、c++
16 3Sum Closest Medium python、java、c++
259 3Sum Smaller Medium python、java、c++
18 4Sum Medium python、java、c++

区间问题

序号 题目 难度 代码
56 Merge Intervals Medium python、java、c++
57 Insert Interval Hard python、java、c++
252 Meeting Rooms easy python、java、c++
253 Meeting Rooms II medium python、java、c++
352 Data Stream as Disjoint Intervals hard python、java、c++

子数组类题目

序号 题目 难度 代码
78 Subsets medium python、java、c++
90 Subsets II medium python、java、c++
53 Maximum Subarray easy python、java、c++
152 Maximum Product Subarray medium python、java、c++
239 Sliding Window Maximum hard python、java、c++
295 Find Median from Data Stream hard python、java、c++
228 Summary Ranges medium python、java、c++
163 Missing Ranges medium python、java、c++
325 Maximum Size Subarray Sum Equals k medium python、java、c++
209 Minimum Size Subarray Sum medium python、java、c++
238 Product of Array Except Self medium python、java、c++
128 Longest Consecutive Sequence Hard python、java、c++

Rotate类题目

序号 题目 难度 代码
48 Rotate Image Medium python、java、c++
89 Search in Rotated Sorted Array Medium python、java、c++
189 Rotate Array Easy python、java、c++
81 Search in Rotated Sorted Array II Medium python、java、c++

数组排序

序号 题目 难度 代码
88 Merge Sorted Array Easy python、java、c++
75 Sort Colors Medium python、java、c++
283 Move Zeroes Easy python、java、c++
376 Wiggle Subsequence medium python、java、c++
280 Wiggle Sort medium python、java、c++
324 Wiggle Sort II medium python、java、c++
215 Kth Largest Element in an Array medium python、java、c++
287 Find the Duplicate Number medium python、java、c++
334 Increasing Triplet Subsequence medium python、java、c++
400 Nth Digit easy python、java、c++
387 First Unique Character in a String easy python、java、c++
164 Maximum Gap hard python、java、c++
347 Top K Frequent Elements medium python、java、c++
243 Shortest Word Distance easy python、java、c++
244 Shortest Word Distance II medium python、java、c++
245 Shortest Word Distance III medium python、java、c++

双指针问题

序号 题目 难度 代码
11 Container With Most Water Medium python、java、c++
41 First Missing Positive Hard python、java、c++
42 Trapping Rain Water Hard python、java、c++
84 Largest Rectangle in Histogram Hard python、java、c++
85 Maximal Rectangle Hard python、java、c++
243 Shortest Word Distance Easy python、java、c++
244 Shortest Word Distance II medium python、java、c++
245 Shortest Word Distance III Medium python、java、c++

二维数组

序号 题目 难度 代码
48 Rotate Image Medium python、java、c++
54 Spiral Matrix Medium python、java、c++
73 Set Matrix Zeroes Medium python、java、c++
311 Sparse Matrix Multiplication medium python、java、c++
36 Valid Sudoku meidum python、java、c++
37 Sudoku Solver hard python、java、c++

动态规划

序号 题目 难度 代码
62 Unique Paths Medium python、java、c++
63 Unique Paths II Medium python、java、c++
64 Minimum Path Sum Medium python、java、c++
120 Triangle Medium python、java、c++

二叉树

序号 题目 难度 代码
105 Construct Binary Tree from Preorder and Inorder Traversal Medium python、java、c++
106 Construct Binary Tree from Inorder and Postorder Traversal Medium python、java、c++

Math

序号 题目 难度 代码
66 Plus One Easy python、java、c++
118 Pascal's Triangle Easy python、java、c++
119 Pascal's Triangle II Easy python、java、c++

基础

基础题目
序号 题目 难度 代码
217 Contains Duplicate Easy python、java、c++
219 Contains Duplicate II Easy python、java、c++
380 Insert Delete GetRandom O(1) Medium python、java、c++
381 Insert Delete GetRandom O(1) - Duplicates allowed Hard python、java、c++
31 Next Permutation Medium
Search类题
序号 题目 难度 代码
33 Search in Rotated Sorted Array Medium python、java、c++
81 Search in Rotated Sorted Array II Medium python、java、c++
34 Find First and Last Position of Element in Sorted Array Medium python、java、c++
35 Search Insert Position Easy python、java、c++
74 Search a 2D Matrix Medium python、java、c++
79 Word Search Medium python、java、c++
153 Find Minimum in Rotated Sorted Array Medium python、java、c++
154 Find Minimum in Rotated Sorted Array II Hard python、java、c++
39 Combination Sum Medium python、java、c++
40 Combination Sum II Medium python、java、c++
216 Combination Sum III Medium python、java、c++
45 Jump Game II Hard python、java、c++
55 Jump Game Medium python、java、c++
121 Best Time to Buy and Sell Stock Easy python、java、c++
122 Best Time to Buy and Sell Stock II Easy python、java、c++
123 Best Time to Buy and Sell Stock III Hard python、java、c++
126 Word Ladder II Hard python、java、c++
162 Find Peak Element Medium python、java、c++
169 Majority Element Easy python、java、c++
229 Majority Element II Medium python、java、c++
Remove类题目
序号 题目 难度 代码
26 Remove Duplicates from Sorted Array Easy python、java、c++
27 Remove Element Easy python、java、c++
80 Remove Duplicates from Sorted Array II Medium python、java、c++

提高题目

序号 题目 难度 代码
4 Median of Two Sorted Arrays Hard python、java、c++
289 Game of Life Medium python、java、c++

综合题

序号 题目 难度 代码
274 H-Index medium python、java、c++
376 Wiggle Subsequence medium python、java、c++
277 Find the Celebrity medium python、java、c++
370 Range Addition medium python、java、c++
296 Best Meeting Point hard python、java、c++

链表类题目

删除类题目

序号 题目 难度 代码
19 Remove Nth Node From End of List medium python、java、c++
82 Remove Duplicates from Sorted List II Medium python、java、c++
83 Remove Duplicates from Sorted List Easy python、java、c++
203 Remove Linked List Elements Easy python、java、c++
237 Delete Node in a Linked List Easy python、java、c++

翻转类题目

序号 题目 难度 代码
25 Reverse Nodes in k-Group Hard python、java、c++
61 Rotate List Medium python、java、c++
92 Reverse Linked List II Medium python、java、c++
206 Reverse Linked List Easy python、java、c++

合并链表

序号 题目 难度 代码
2 Add Two Numbers medium python、java、c++
21 Merge Two Sorted Lists Easy python、java、c++
23 Merge k Sorted Lists Hard python、java、c++
445 Add Two Numbers II Medium python、java、c++

环

序号 题目 难度 代码
141 Linked List Cycle Easy python、java、c++
142 Linked List Cycle II Medium python、java、c++
708 Insert into a Cyclic Sorted List Medium python、java、c++

拆分链表

序号 题目 难度 代码
725 Split Linked List in Parts Medium python、java、c++
86 Partition List Medium python、java、c++

排序链表

序号 题目 难度 代码
143 Reorder List Medium python、java、c++
147 Insertion Sort List Medium python、java、c++
148 Sort List Medium python、java、c++

基础

序号 题目 难度 代码
109 Convert Sorted List to Binary Search Tree Medium python、java、c++
138 Copy List with Random Pointer Medium
160 Intersection of Two Linked Lists Easy python、java、c++
234 Palindrome Linked List Easy python、java、c++
328 Odd Even Linked List Medium python、java、c++
369 Plus One Linked List Medium python、java、c++
379 Design Phone Directory Medium python、java、c++
426 Convert Binary Search Tree to Sorted Doubly Linked List Medium python、java、c++
430 Flatten a Multilevel Doubly Linked List Medium python、java、c++
707 Design Linked List Easy python、java、c++
817 Linked List Components Medium python、java、c++
876 Middle of the Linked List Easy python、java、c++

栈·题目

基础题型

表达式计算

迭代极值

栈的应用

LeetCode 1~400顺序题解

树类型题目

二分查找题目

动态规划·题目

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