# leetcode-python

**Repository Path**: miloxy/leetcode-python

## Basic Information

- **Project Name**: leetcode-python
- **Description**: leetcode刷题记录，python实现
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 2
- **Created**: 2021-03-06
- **Last Updated**: 2021-03-06

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Leet Code
English | [中文版](./README-CN.md)

finished 201/1839 

Easy: 72    Medium: 115    Hard: 14

 Every time a new code is added, the corresponding question will be added. 

  Project update from time to time, strive to update every day . 

Welcome<img alt="GitHub stars" src="https://img.shields.io/github/stars/yatengLG/leetcode-python?style=social"> <img alt="GitHub forks" src="https://img.shields.io/github/forks/yatengLG/leetcode-python?style=social"> 

## Explain
The project is a record of the author's leetcode.

 The project is continuously updated.

## Project structure 
```text|-- leetcode-python
    |-- README.md
    |-- question_bank
        |-- question1
            |-- question1.py     # code
            |-- question1.md     # question
        |-- question2
            |-- question2.py
            |-- question2.md
        ……
```

## Question Bank
 | ID | question | Diffculty | Pass rate | Code | 
 | ---- | ---- | ---- | ---- | ---- |
 | [1](https://leetcode-cn.com/problems/two-sum/) | [Two Sum](/question_bank/two-sum) | Easy  | 0.50 | [:link:python](/question_bank/two-sum/two-sum.py) |
 | [2](https://leetcode-cn.com/problems/add-two-numbers/) | [Add Two Numbers](/question_bank/add-two-numbers) | Medium  | 0.39 | [:link:python](/question_bank/add-two-numbers/add-two-numbers.py) |
 | [3](https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/) | [Longest Substring Without Repeating Characters](/question_bank/longest-substring-without-repeating-characters) | Medium  | 0.36 | [:link:python](/question_bank/longest-substring-without-repeating-characters/longest-substring-without-repeating-characters.py) |
 | [4](https://leetcode-cn.com/problems/median-of-two-sorted-arrays/) | [Median of Two Sorted Arrays](/question_bank/median-of-two-sorted-arrays) | Hard  | 0.39 | [:link:python](/question_bank/median-of-two-sorted-arrays/median-of-two-sorted-arrays.py) |
 | [5](https://leetcode-cn.com/problems/longest-palindromic-substring/) | [Longest Palindromic Substring](/question_bank/longest-palindromic-substring) | Medium  | 0.32 | [:link:python](/question_bank/longest-palindromic-substring/longest-palindromic-substring.py) |
 | [6](https://leetcode-cn.com/problems/zigzag-conversion/) | [ZigZag Conversion](/question_bank/zigzag-conversion) | Medium  | 0.49 | [:link:python](/question_bank/zigzag-conversion/zigzag-conversion.py) |
 | [7](https://leetcode-cn.com/problems/reverse-integer/) | [Reverse Integer](/question_bank/reverse-integer) | Easy  | 0.35 | [:link:python](/question_bank/reverse-integer/reverse-integer.py) |
 | [8](https://leetcode-cn.com/problems/string-to-integer-atoi/) | [String to Integer (atoi)](/question_bank/string-to-integer-atoi) | Medium  | 0.21 | [:link:python](/question_bank/string-to-integer-atoi/string-to-integer-atoi.py) |
 | [9](https://leetcode-cn.com/problems/palindrome-number/) | [Palindrome Number](/question_bank/palindrome-number) | Easy  | 0.58 | [:link:python](/question_bank/palindrome-number/palindrome-number.py) |
 | [10](https://leetcode-cn.com/problems/regular-expression-matching/) | [Regular Expression Matching](/question_bank/regular-expression-matching) | Hard  | 0.30 | [:link:python](/question_bank/regular-expression-matching/regular-expression-matching.py) |
 | [11](https://leetcode-cn.com/problems/container-with-most-water/) | [Container With Most Water](/question_bank/container-with-most-water) | Medium  | 0.64 | [:link:python](/question_bank/container-with-most-water/container-with-most-water.py) |
 | [12](https://leetcode-cn.com/problems/integer-to-roman/) | [Integer to Roman](/question_bank/integer-to-roman) | Medium  | 0.64 | [:link:python](/question_bank/integer-to-roman/integer-to-roman.py) |
 | [13](https://leetcode-cn.com/problems/roman-to-integer/) | [Roman to Integer](/question_bank/roman-to-integer) | Easy  | 0.62 | [:link:python](/question_bank/roman-to-integer/roman-to-integer.py) |
 | [14](https://leetcode-cn.com/problems/longest-common-prefix/) | [Longest Common Prefix](/question_bank/longest-common-prefix) | Easy  | 0.39 | [:link:python](/question_bank/longest-common-prefix/longest-common-prefix.py) |
 | [15](https://leetcode-cn.com/problems/3sum/) | [3Sum](/question_bank/3sum) | Medium  | 0.30 | [:link:python](/question_bank/3sum/3sum.py) |
 | [16](https://leetcode-cn.com/problems/3sum-closest/) | [3Sum Closest](/question_bank/3sum-closest) | Medium  | 0.46 | [:link:python](/question_bank/3sum-closest/3sum-closest.py) |
 | [17](https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number/) | [Letter Combinations of a Phone Number](/question_bank/letter-combinations-of-a-phone-number) | Medium  | 0.55 | [:link:python](/question_bank/letter-combinations-of-a-phone-number/letter-combinations-of-a-phone-number.py) |
 | [18](https://leetcode-cn.com/problems/4sum/) | [4Sum](/question_bank/4sum) | Medium  | 0.39 | [:link:python](/question_bank/4sum/4sum.py) |
 | [19](https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list/) | [Remove Nth Node From End of List](/question_bank/remove-nth-node-from-end-of-list) | Medium  | 0.40 | [:link:python](/question_bank/remove-nth-node-from-end-of-list/remove-nth-node-from-end-of-list.py) |
 | [20](https://leetcode-cn.com/problems/valid-parentheses/) | [Valid Parentheses](/question_bank/valid-parentheses) | Easy  | 0.43 | [:link:python](/question_bank/valid-parentheses/valid-parentheses.py) |
 | [21](https://leetcode-cn.com/problems/merge-two-sorted-lists/) | [Merge Two Sorted Lists](/question_bank/merge-two-sorted-lists) | Easy  | 0.65 | [:link:python](/question_bank/merge-two-sorted-lists/merge-two-sorted-lists.py) |
 | [22](https://leetcode-cn.com/problems/generate-parentheses/) | [Generate Parentheses](/question_bank/generate-parentheses) | Medium  | 0.76 | [:link:python](/question_bank/generate-parentheses/generate-parentheses.py) |
 | [24](https://leetcode-cn.com/problems/swap-nodes-in-pairs/) | [Swap Nodes in Pairs](/question_bank/swap-nodes-in-pairs) | Medium  | 0.68 | [:link:python](/question_bank/swap-nodes-in-pairs/swap-nodes-in-pairs.py) |
 | [26](https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array/) | [Remove Duplicates from Sorted Array](/question_bank/remove-duplicates-from-sorted-array) | Easy  | 0.52 | [:link:python](/question_bank/remove-duplicates-from-sorted-array/remove-duplicates-from-sorted-array.py) |
 | [27](https://leetcode-cn.com/problems/remove-element/) | [Remove Element](/question_bank/remove-element) | Easy  | 0.59 | [:link:python](/question_bank/remove-element/remove-element.py) |
 | [28](https://leetcode-cn.com/problems/implement-strstr/) | [Implement strStr()](/question_bank/implement-strstr) | Easy  | 0.40 | [:link:python](/question_bank/implement-strstr/implement-strstr.py) |
 | [32](https://leetcode-cn.com/problems/longest-valid-parentheses/) | [Longest Valid Parentheses](/question_bank/longest-valid-parentheses) | Hard  | 0.34 | [:link:python](/question_bank/longest-valid-parentheses/longest-valid-parentheses.py) |
 | [35](https://leetcode-cn.com/problems/search-insert-position/) | [Search Insert Position](/question_bank/search-insert-position) | Easy  | 0.47 | [:link:python](/question_bank/search-insert-position/search-insert-position.py) |
 | [37](https://leetcode-cn.com/problems/sudoku-solver/) | [Sudoku Solver](/question_bank/sudoku-solver) | Hard  | 0.67 | [:link:python](/question_bank/sudoku-solver/sudoku-solver.py) |
 | [38](https://leetcode-cn.com/problems/count-and-say/) | [Count and Say](/question_bank/count-and-say) | Easy  | 0.57 | [:link:python](/question_bank/count-and-say/count-and-say.py) |
 | [39](https://leetcode-cn.com/problems/combination-sum/) | [Combination Sum](/question_bank/combination-sum) | Medium  | 0.72 | [:link:python](/question_bank/combination-sum/combination-sum.py) |
 | [40](https://leetcode-cn.com/problems/combination-sum-ii/) | [Combination Sum II](/question_bank/combination-sum-ii) | Medium  | 0.65 | [:link:python](/question_bank/combination-sum-ii/combination-sum-ii.py) |
 | [43](https://leetcode-cn.com/problems/multiply-strings/) | [Multiply Strings](/question_bank/multiply-strings) | Medium  | 0.45 | [:link:python](/question_bank/multiply-strings/multiply-strings.py) |
 | [44](https://leetcode-cn.com/problems/wildcard-matching/) | [Wildcard Matching](/question_bank/wildcard-matching) | Hard  | 0.31 | [:link:python](/question_bank/wildcard-matching/wildcard-matching.py) |
 | [46](https://leetcode-cn.com/problems/permutations/) | [Permutations](/question_bank/permutations) | Medium  | 0.77 | [:link:python](/question_bank/permutations/permutations.py) |
 | [47](https://leetcode-cn.com/problems/permutations-ii/) | [Permutations II](/question_bank/permutations-ii) | Medium  | 0.62 | [:link:python](/question_bank/permutations-ii/permutations-ii.py) |
 | [51](https://leetcode-cn.com/problems/n-queens/) | [N-Queens](/question_bank/n-queens) | Hard  | 0.73 | [:link:python](/question_bank/n-queens/n-queens.py) |
 | [52](https://leetcode-cn.com/problems/n-queens-ii/) | [N-Queens II](/question_bank/n-queens-ii) | Hard  | 0.82 | [:link:python](/question_bank/n-queens-ii/n-queens-ii.py) |
 | [53](https://leetcode-cn.com/problems/maximum-subarray/) | [Maximum Subarray](/question_bank/maximum-subarray) | Easy  | 0.53 | [:link:python](/question_bank/maximum-subarray/maximum-subarray.py) |
 | [55](https://leetcode-cn.com/problems/jump-game/) | [Jump Game](/question_bank/jump-game) | Medium  | 0.41 | [:link:python](/question_bank/jump-game/jump-game.py) |
 | [58](https://leetcode-cn.com/problems/length-of-last-word/) | [Length of Last Word](/question_bank/length-of-last-word) | Easy  | 0.34 | [:link:python](/question_bank/length-of-last-word/length-of-last-word.py) |
 | [60](https://leetcode-cn.com/problems/permutation-sequence/) | [Permutation Sequence](/question_bank/permutation-sequence) | Hard  | 0.52 | [:link:python](/question_bank/permutation-sequence/permutation-sequence.py) |
 | [61](https://leetcode-cn.com/problems/rotate-list/) | [Rotate List](/question_bank/rotate-list) | Medium  | 0.40 | [:link:python](/question_bank/rotate-list/rotate-list.py) |
 | [62](https://leetcode-cn.com/problems/unique-paths/) | [Unique Paths](/question_bank/unique-paths) | Medium  | 0.63 | [:link:python](/question_bank/unique-paths/unique-paths.py) |
 | [63](https://leetcode-cn.com/problems/unique-paths-ii/) | [Unique Paths II](/question_bank/unique-paths-ii) | Medium  | 0.37 | [:link:python](/question_bank/unique-paths-ii/unique-paths-ii.py) |
 | [64](https://leetcode-cn.com/problems/minimum-path-sum/) | [Minimum Path Sum](/question_bank/minimum-path-sum) | Medium  | 0.68 | [:link:python](/question_bank/minimum-path-sum/minimum-path-sum.py) |
 | [66](https://leetcode-cn.com/problems/plus-one/) | [Plus One](/question_bank/plus-one) | Easy  | 0.46 | [:link:python](/question_bank/plus-one/plus-one.py) |
 | [70](https://leetcode-cn.com/problems/climbing-stairs/) | [Climbing Stairs](/question_bank/climbing-stairs) | Easy  | 0.51 | [:link:python](/question_bank/climbing-stairs/climbing-stairs.py) |
 | [71](https://leetcode-cn.com/problems/simplify-path/) | [Simplify Path](/question_bank/simplify-path) | Medium  | 0.41 | [:link:python](/question_bank/simplify-path/simplify-path.py) |
 | [72](https://leetcode-cn.com/problems/edit-distance/) | [Edit Distance](/question_bank/edit-distance) | Hard  | 0.60 | [:link:python](/question_bank/edit-distance/edit-distance.py) |
 | [75](https://leetcode-cn.com/problems/sort-colors/) | [Sort Colors](/question_bank/sort-colors) | Medium  | 0.57 | [:link:python](/question_bank/sort-colors/sort-colors.py) |
 | [77](https://leetcode-cn.com/problems/combinations/) | [Combinations](/question_bank/combinations) | Medium  | 0.76 | [:link:python](/question_bank/combinations/combinations.py) |
 | [78](https://leetcode-cn.com/problems/subsets/) | [Subsets](/question_bank/subsets) | Medium  | 0.79 | [:link:python](/question_bank/subsets/subsets.py) |
 | [79](https://leetcode-cn.com/problems/word-search/) | [Word Search](/question_bank/word-search) | Medium  | 0.44 | [:link:python](/question_bank/word-search/word-search.py) |
 | [82](https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii/) | [Remove Duplicates from Sorted List II](/question_bank/remove-duplicates-from-sorted-list-ii) | Medium  | 0.50 | [:link:python](/question_bank/remove-duplicates-from-sorted-list-ii/remove-duplicates-from-sorted-list-ii.py) |
 | [83](https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list/) | [Remove Duplicates from Sorted List](/question_bank/remove-duplicates-from-sorted-list) | Easy  | 0.52 | [:link:python](/question_bank/remove-duplicates-from-sorted-list/remove-duplicates-from-sorted-list.py) |
 | [86](https://leetcode-cn.com/problems/partition-list/) | [Partition List](/question_bank/partition-list) | Medium  | 0.60 | [:link:python](/question_bank/partition-list/partition-list.py) |
 | [89](https://leetcode-cn.com/problems/gray-code/) | [Gray Code](/question_bank/gray-code) | Medium  | 0.69 | [:link:python](/question_bank/gray-code/gray-code.py) |
 | [90](https://leetcode-cn.com/problems/subsets-ii/) | [Subsets II](/question_bank/subsets-ii) | Medium  | 0.61 | [:link:python](/question_bank/subsets-ii/subsets-ii.py) |
 | [91](https://leetcode-cn.com/problems/decode-ways/) | [Decode Ways](/question_bank/decode-ways) | Medium  | 0.25 | [:link:python](/question_bank/decode-ways/decode-ways.py) |
 | [92](https://leetcode-cn.com/problems/reverse-linked-list-ii/) | [Reverse Linked List II](/question_bank/reverse-linked-list-ii) | Medium  | 0.52 | [:link:python](/question_bank/reverse-linked-list-ii/reverse-linked-list-ii.py) |
 | [93](https://leetcode-cn.com/problems/restore-ip-addresses/) | [Restore IP Addresses](/question_bank/restore-ip-addresses) | Medium  | 0.50 | [:link:python](/question_bank/restore-ip-addresses/restore-ip-addresses.py) |
 | [94](https://leetcode-cn.com/problems/binary-tree-inorder-traversal/) | [Binary Tree Inorder Traversal](/question_bank/binary-tree-inorder-traversal) | Medium  | 0.74 | [:link:python](/question_bank/binary-tree-inorder-traversal/binary-tree-inorder-traversal.py) |
 | [103](https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/) | [Binary Tree Zigzag Level Order Traversal](/question_bank/binary-tree-zigzag-level-order-traversal) | Medium  | 0.55 | [:link:python](/question_bank/binary-tree-zigzag-level-order-traversal/binary-tree-zigzag-level-order-traversal.py) |
 | [104](https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/) | [Maximum Depth of Binary Tree](/question_bank/maximum-depth-of-binary-tree) | Easy  | 0.75 | [:link:python](/question_bank/maximum-depth-of-binary-tree/maximum-depth-of-binary-tree.py) |
 | [106](https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/) | [Construct Binary Tree from Inorder and Postorder Traversal](/question_bank/construct-binary-tree-from-inorder-and-postorder-traversal) | Medium  | 0.71 | [:link:python](/question_bank/construct-binary-tree-from-inorder-and-postorder-traversal/construct-binary-tree-from-inorder-and-postorder-traversal.py) |
 | [107](https://leetcode-cn.com/problems/binary-tree-level-order-traversal-ii/) | [Binary Tree Level Order Traversal II](/question_bank/binary-tree-level-order-traversal-ii) | Easy  | 0.68 | [:link:python](/question_bank/binary-tree-level-order-traversal-ii/binary-tree-level-order-traversal-ii.py) |
 | [109](https://leetcode-cn.com/problems/convert-sorted-list-to-binary-search-tree/) | [Convert Sorted List to Binary Search Tree](/question_bank/convert-sorted-list-to-binary-search-tree) | Medium  | 0.76 | [:link:python](/question_bank/convert-sorted-list-to-binary-search-tree/convert-sorted-list-to-binary-search-tree.py) |
 | [110](https://leetcode-cn.com/problems/balanced-binary-tree/) | [Balanced Binary Tree](/question_bank/balanced-binary-tree) | Easy  | 0.55 | [:link:python](/question_bank/balanced-binary-tree/balanced-binary-tree.py) |
 | [111](https://leetcode-cn.com/problems/minimum-depth-of-binary-tree/) | [Minimum Depth of Binary Tree](/question_bank/minimum-depth-of-binary-tree) | Easy  | 0.45 | [:link:python](/question_bank/minimum-depth-of-binary-tree/minimum-depth-of-binary-tree.py) |
 | [112](https://leetcode-cn.com/problems/path-sum/) | [Path Sum](/question_bank/path-sum) | Easy  | 0.51 | [:link:python](/question_bank/path-sum/path-sum.py) |
 | [113](https://leetcode-cn.com/problems/path-sum-ii/) | [Path Sum II](/question_bank/path-sum-ii) | Medium  | 0.61 | [:link:python](/question_bank/path-sum-ii/path-sum-ii.py) |
 | [116](https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node/) | [Populating Next Right Pointers in Each Node](/question_bank/populating-next-right-pointers-in-each-node) | Medium  | 0.68 | [:link:python](/question_bank/populating-next-right-pointers-in-each-node/populating-next-right-pointers-in-each-node.py) |
 | [117](https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii/) | [Populating Next Right Pointers in Each Node II](/question_bank/populating-next-right-pointers-in-each-node-ii) | Medium  | 0.59 | [:link:python](/question_bank/populating-next-right-pointers-in-each-node-ii/populating-next-right-pointers-in-each-node-ii.py) |
 | [120](https://leetcode-cn.com/problems/triangle/) | [Triangle](/question_bank/triangle) | Medium  | 0.67 | [:link:python](/question_bank/triangle/triangle.py) |
 | [121](https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/) | [Best Time to Buy and Sell Stock](/question_bank/best-time-to-buy-and-sell-stock) | Easy  | 0.55 | [:link:python](/question_bank/best-time-to-buy-and-sell-stock/best-time-to-buy-and-sell-stock.py) |
 | [122](https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/) | [Best Time to Buy and Sell Stock II](/question_bank/best-time-to-buy-and-sell-stock-ii) | Easy  | 0.64 | [:link:python](/question_bank/best-time-to-buy-and-sell-stock-ii/best-time-to-buy-and-sell-stock-ii.py) |
 | [131](https://leetcode-cn.com/problems/palindrome-partitioning/) | [Palindrome Partitioning](/question_bank/palindrome-partitioning) | Medium  | 0.69 | [:link:python](/question_bank/palindrome-partitioning/palindrome-partitioning.py) |
 | [134](https://leetcode-cn.com/problems/gas-station/) | [Gas Station](/question_bank/gas-station) | Medium  | 0.54 | [:link:python](/question_bank/gas-station/gas-station.py) |
 | [138](https://leetcode-cn.com/problems/copy-list-with-random-pointer/) | [Copy List with Random Pointer](/question_bank/copy-list-with-random-pointer) | Medium  | 0.58 | [:link:python](/question_bank/copy-list-with-random-pointer/copy-list-with-random-pointer.py) |
 | [139](https://leetcode-cn.com/problems/word-break/) | [Word Break](/question_bank/word-break) | Medium  | 0.48 | [:link:python](/question_bank/word-break/word-break.py) |
 | [141](https://leetcode-cn.com/problems/linked-list-cycle/) | [Linked List Cycle](/question_bank/linked-list-cycle) | Easy  | 0.50 | [:link:python](/question_bank/linked-list-cycle/linked-list-cycle.py) |
 | [142](https://leetcode-cn.com/problems/linked-list-cycle-ii/) | [Linked List Cycle II](/question_bank/linked-list-cycle-ii) | Medium  | 0.54 | [:link:python](/question_bank/linked-list-cycle-ii/linked-list-cycle-ii.py) |
 | [143](https://leetcode-cn.com/problems/reorder-list/) | [Reorder List](/question_bank/reorder-list) | Medium  | 0.60 | [:link:python](/question_bank/reorder-list/reorder-list.py) |
 | [144](https://leetcode-cn.com/problems/binary-tree-preorder-traversal/) | [Binary Tree Preorder Traversal](/question_bank/binary-tree-preorder-traversal) | Medium  | 0.67 | [:link:python](/question_bank/binary-tree-preorder-traversal/binary-tree-preorder-traversal.py) |
 | [145](https://leetcode-cn.com/problems/binary-tree-postorder-traversal/) | [Binary Tree Postorder Traversal](/question_bank/binary-tree-postorder-traversal) | Medium  | 0.73 | [:link:python](/question_bank/binary-tree-postorder-traversal/binary-tree-postorder-traversal.py) |
 | [147](https://leetcode-cn.com/problems/insertion-sort-list/) | [Insertion Sort List](/question_bank/insertion-sort-list) | Medium  | 0.65 | [:link:python](/question_bank/insertion-sort-list/insertion-sort-list.py) |
 | [150](https://leetcode-cn.com/problems/evaluate-reverse-polish-notation/) | [Evaluate Reverse Polish Notation](/question_bank/evaluate-reverse-polish-notation) | Medium  | 0.51 | [:link:python](/question_bank/evaluate-reverse-polish-notation/evaluate-reverse-polish-notation.py) |
 | [152](https://leetcode-cn.com/problems/maximum-product-subarray/) | [Maximum Product Subarray](/question_bank/maximum-product-subarray) | Medium  | 0.40 | [:link:python](/question_bank/maximum-product-subarray/maximum-product-subarray.py) |
 | [198](https://leetcode-cn.com/problems/house-robber/) | [House Robber](/question_bank/house-robber) | Easy  | 0.47 | [:link:python](/question_bank/house-robber/house-robber.py) |
 | [213](https://leetcode-cn.com/problems/house-robber-ii/) | [House Robber II](/question_bank/house-robber-ii) | Medium  | 0.40 | [:link:python](/question_bank/house-robber-ii/house-robber-ii.py) |
 | [215](https://leetcode-cn.com/problems/kth-largest-element-in-an-array/) | [Kth Largest Element in an Array](/question_bank/kth-largest-element-in-an-array) | Medium  | 0.64 | [:link:python](/question_bank/kth-largest-element-in-an-array/kth-largest-element-in-an-array.py) |
 | [216](https://leetcode-cn.com/problems/combination-sum-iii/) | [Combination Sum III](/question_bank/combination-sum-iii) | Medium  | 0.73 | [:link:python](/question_bank/combination-sum-iii/combination-sum-iii.py) |
 | [221](https://leetcode-cn.com/problems/maximal-square/) | [Maximal Square](/question_bank/maximal-square) | Medium  | 0.43 | [:link:python](/question_bank/maximal-square/maximal-square.py) |
 | [226](https://leetcode-cn.com/problems/invert-binary-tree/) | [Invert Binary Tree](/question_bank/invert-binary-tree) | Easy  | 0.77 | [:link:python](/question_bank/invert-binary-tree/invert-binary-tree.py) |
 | [234](https://leetcode-cn.com/problems/palindrome-linked-list/) | [Palindrome Linked List](/question_bank/palindrome-linked-list) | Easy  | 0.44 | [:link:python](/question_bank/palindrome-linked-list/palindrome-linked-list.py) |
 | [235](https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-search-tree/) | [Lowest Common Ancestor of a Binary Search Tree](/question_bank/lowest-common-ancestor-of-a-binary-search-tree) | Easy  | 0.66 | [:link:python](/question_bank/lowest-common-ancestor-of-a-binary-search-tree/lowest-common-ancestor-of-a-binary-search-tree.py) |
 | [236](https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree/) | [Lowest Common Ancestor of a Binary Tree](/question_bank/lowest-common-ancestor-of-a-binary-tree) | Medium  | 0.66 | [:link:python](/question_bank/lowest-common-ancestor-of-a-binary-tree/lowest-common-ancestor-of-a-binary-tree.py) |
 | [237](https://leetcode-cn.com/problems/delete-node-in-a-linked-list/) | [Delete Node in a Linked List](/question_bank/delete-node-in-a-linked-list) | Easy  | 0.83 | [:link:python](/question_bank/delete-node-in-a-linked-list/delete-node-in-a-linked-list.py) |
 | [257](https://leetcode-cn.com/problems/binary-tree-paths/) | [Binary Tree Paths](/question_bank/binary-tree-paths) | Easy  | 0.66 | [:link:python](/question_bank/binary-tree-paths/binary-tree-paths.py) |
 | [264](https://leetcode-cn.com/problems/ugly-number-ii/) | [Ugly Number II](/question_bank/ugly-number-ii) | Medium  | 0.54 | [:link:python](/question_bank/ugly-number-ii/ugly-number-ii.py) |
 | [279](https://leetcode-cn.com/problems/perfect-squares/) | [Perfect Squares](/question_bank/perfect-squares) | Medium  | 0.58 | [:link:python](/question_bank/perfect-squares/perfect-squares.py) |
 | [300](https://leetcode-cn.com/problems/longest-increasing-subsequence/) | [Longest Increasing Subsequence](/question_bank/longest-increasing-subsequence) | Medium  | 0.45 | [:link:python](/question_bank/longest-increasing-subsequence/longest-increasing-subsequence.py) |
 | [303](https://leetcode-cn.com/problems/range-sum-query-immutable/) | [Range Sum Query - Immutable](/question_bank/range-sum-query-immutable) | Easy  | 0.64 | [:link:python](/question_bank/range-sum-query-immutable/range-sum-query-immutable.py) |
 | [304](https://leetcode-cn.com/problems/range-sum-query-2d-immutable/) | [Range Sum Query 2D - Immutable](/question_bank/range-sum-query-2d-immutable) | Medium  | 0.46 | [:link:python](/question_bank/range-sum-query-2d-immutable/range-sum-query-2d-immutable.py) |
 | [306](https://leetcode-cn.com/problems/additive-number/) | [Additive Number](/question_bank/additive-number) | Medium  | 0.33 | [:link:python](/question_bank/additive-number/additive-number.py) |
 | [309](https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/) | [Best Time to Buy and Sell Stock with Cooldown](/question_bank/best-time-to-buy-and-sell-stock-with-cooldown) | Medium  | 0.57 | [:link:python](/question_bank/best-time-to-buy-and-sell-stock-with-cooldown/best-time-to-buy-and-sell-stock-with-cooldown.py) |
 | [316](https://leetcode-cn.com/problems/remove-duplicate-letters/) | [Remove Duplicate Letters](/question_bank/remove-duplicate-letters) | Medium  | 0.42 | [:link:python](/question_bank/remove-duplicate-letters/remove-duplicate-letters.py) |
 | [322](https://leetcode-cn.com/problems/coin-change/) | [Coin Change](/question_bank/coin-change) | Medium  | 0.42 | [:link:python](/question_bank/coin-change/coin-change.py) |
 | [328](https://leetcode-cn.com/problems/odd-even-linked-list/) | [Odd Even Linked List](/question_bank/odd-even-linked-list) | Medium  | 0.63 | [:link:python](/question_bank/odd-even-linked-list/odd-even-linked-list.py) |
 | [331](https://leetcode-cn.com/problems/verify-preorder-serialization-of-a-binary-tree/) | [Verify Preorder Serialization of a Binary Tree](/question_bank/verify-preorder-serialization-of-a-binary-tree) | Medium  | 0.46 | [:link:python](/question_bank/verify-preorder-serialization-of-a-binary-tree/verify-preorder-serialization-of-a-binary-tree.py) |
 | [332](https://leetcode-cn.com/problems/reconstruct-itinerary/) | [Reconstruct Itinerary](/question_bank/reconstruct-itinerary) | Medium  | 0.44 | [:link:python](/question_bank/reconstruct-itinerary/reconstruct-itinerary.py) |
 | [338](https://leetcode-cn.com/problems/counting-bits/) | [Counting Bits](/question_bank/counting-bits) | Medium  | 0.76 | [:link:python](/question_bank/counting-bits/counting-bits.py) |
 | [343](https://leetcode-cn.com/problems/integer-break/) | [Integer Break](/question_bank/integer-break) | Medium  | 0.59 | [:link:python](/question_bank/integer-break/integer-break.py) |
 | [344](https://leetcode-cn.com/problems/reverse-string/) | [Reverse String](/question_bank/reverse-string) | Easy  | 0.74 | [:link:python](/question_bank/reverse-string/reverse-string.py) |
 | [347](https://leetcode-cn.com/problems/top-k-frequent-elements/) | [Top K Frequent Elements](/question_bank/top-k-frequent-elements) | Medium  | 0.62 | [:link:python](/question_bank/top-k-frequent-elements/top-k-frequent-elements.py) |
 | [357](https://leetcode-cn.com/problems/count-numbers-with-unique-digits/) | [Count Numbers with Unique Digits](/question_bank/count-numbers-with-unique-digits) | Medium  | 0.51 | [:link:python](/question_bank/count-numbers-with-unique-digits/count-numbers-with-unique-digits.py) |
 | [368](https://leetcode-cn.com/problems/largest-divisible-subset/) | [Largest Divisible Subset](/question_bank/largest-divisible-subset) | Medium  | 0.39 | [:link:python](/question_bank/largest-divisible-subset/largest-divisible-subset.py) |
 | [375](https://leetcode-cn.com/problems/guess-number-higher-or-lower-ii/) | [Guess Number Higher or Lower II](/question_bank/guess-number-higher-or-lower-ii) | Medium  | 0.42 | [:link:python](/question_bank/guess-number-higher-or-lower-ii/guess-number-higher-or-lower-ii.py) |
 | [376](https://leetcode-cn.com/problems/wiggle-subsequence/) | [Wiggle Subsequence](/question_bank/wiggle-subsequence) | Medium  | 0.43 | [:link:python](/question_bank/wiggle-subsequence/wiggle-subsequence.py) |
 | [377](https://leetcode-cn.com/problems/combination-sum-iv/) | [Combination Sum IV](/question_bank/combination-sum-iv) | Medium  | 0.43 | [:link:python](/question_bank/combination-sum-iv/combination-sum-iv.py) |
 | [392](https://leetcode-cn.com/problems/is-subsequence/) | [Is Subsequence](/question_bank/is-subsequence) | Easy  | 0.51 | [:link:python](/question_bank/is-subsequence/is-subsequence.py) |
 | [394](https://leetcode-cn.com/problems/decode-string/) | [Decode String](/question_bank/decode-string) | Medium  | 0.53 | [:link:python](/question_bank/decode-string/decode-string.py) |
 | [401](https://leetcode-cn.com/problems/binary-watch/) | [Binary Watch](/question_bank/binary-watch) | Easy  | 0.53 | [:link:python](/question_bank/binary-watch/binary-watch.py) |
 | [402](https://leetcode-cn.com/problems/remove-k-digits/) | [Remove K Digits](/question_bank/remove-k-digits) | Medium  | 0.30 | [:link:python](/question_bank/remove-k-digits/remove-k-digits.py) |
 | [404](https://leetcode-cn.com/problems/sum-of-left-leaves/) | [Sum of Left Leaves](/question_bank/sum-of-left-leaves) | Easy  | 0.56 | [:link:python](/question_bank/sum-of-left-leaves/sum-of-left-leaves.py) |
 | [445](https://leetcode-cn.com/problems/add-two-numbers-ii/) | [Add Two Numbers II](/question_bank/add-two-numbers-ii) | Medium  | 0.58 | [:link:python](/question_bank/add-two-numbers-ii/add-two-numbers-ii.py) |
 | [459](https://leetcode-cn.com/problems/repeated-substring-pattern/) | [Repeated Substring Pattern](/question_bank/repeated-substring-pattern) | Easy  | 0.51 | [:link:python](/question_bank/repeated-substring-pattern/repeated-substring-pattern.py) |
 | [486](https://leetcode-cn.com/problems/predict-the-winner/) | [Predict the Winner](/question_bank/predict-the-winner) | Medium  | 0.59 | [:link:python](/question_bank/predict-the-winner/predict-the-winner.py) |
 | [491](https://leetcode-cn.com/problems/increasing-subsequences/) | [Increasing Subsequences](/question_bank/increasing-subsequences) | Medium  | 0.56 | [:link:python](/question_bank/increasing-subsequences/increasing-subsequences.py) |
 | [501](https://leetcode-cn.com/problems/find-mode-in-binary-search-tree/) | [Find Mode in Binary Search Tree](/question_bank/find-mode-in-binary-search-tree) | Easy  | 0.50 | [:link:python](/question_bank/find-mode-in-binary-search-tree/find-mode-in-binary-search-tree.py) |
 | [504](https://leetcode-cn.com/problems/base-7/) | [Base 7](/question_bank/base-7) | Easy  | 0.50 | [:link:python](/question_bank/base-7/base-7.py) |
 | [526](https://leetcode-cn.com/problems/beautiful-arrangement/) | [Beautiful Arrangement](/question_bank/beautiful-arrangement) | Medium  | 0.63 | [:link:python](/question_bank/beautiful-arrangement/beautiful-arrangement.py) |
 | [529](https://leetcode-cn.com/problems/minesweeper/) | [Minesweeper](/question_bank/minesweeper) | Medium  | 0.65 | [:link:python](/question_bank/minesweeper/minesweeper.py) |
 | [530](https://leetcode-cn.com/problems/minimum-absolute-difference-in-bst/) | [Minimum Absolute Difference in BST](/question_bank/minimum-absolute-difference-in-bst) | Easy  | 0.61 | [:link:python](/question_bank/minimum-absolute-difference-in-bst/minimum-absolute-difference-in-bst.py) |
 | [538](https://leetcode-cn.com/problems/convert-bst-to-greater-tree/) | [Convert BST to Greater Tree](/question_bank/convert-bst-to-greater-tree) | Medium  | 0.64 | [:link:python](/question_bank/convert-bst-to-greater-tree/convert-bst-to-greater-tree.py) |
 | [557](https://leetcode-cn.com/problems/reverse-words-in-a-string-iii/) | [Reverse Words in a String III](/question_bank/reverse-words-in-a-string-iii) | Easy  | 0.73 | [:link:python](/question_bank/reverse-words-in-a-string-iii/reverse-words-in-a-string-iii.py) |
 | [606](https://leetcode-cn.com/problems/construct-string-from-binary-tree/) | [Construct String from Binary Tree](/question_bank/construct-string-from-binary-tree) | Easy  | 0.55 | [:link:python](/question_bank/construct-string-from-binary-tree/construct-string-from-binary-tree.py) |
 | [617](https://leetcode-cn.com/problems/merge-two-binary-trees/) | [Merge Two Binary Trees](/question_bank/merge-two-binary-trees) | Easy  | 0.78 | [:link:python](/question_bank/merge-two-binary-trees/merge-two-binary-trees.py) |
 | [637](https://leetcode-cn.com/problems/average-of-levels-in-binary-tree/) | [Average of Levels in Binary Tree](/question_bank/average-of-levels-in-binary-tree) | Easy  | 0.69 | [:link:python](/question_bank/average-of-levels-in-binary-tree/average-of-levels-in-binary-tree.py) |
 | [647](https://leetcode-cn.com/problems/palindromic-substrings/) | [Palindromic Substrings](/question_bank/palindromic-substrings) | Medium  | 0.65 | [:link:python](/question_bank/palindromic-substrings/palindromic-substrings.py) |
 | [657](https://leetcode-cn.com/problems/robot-return-to-origin/) | [Robot Return to Origin](/question_bank/robot-return-to-origin) | Easy  | 0.78 | [:link:python](/question_bank/robot-return-to-origin/robot-return-to-origin.py) |
 | [682](https://leetcode-cn.com/problems/baseball-game/) | [Baseball Game](/question_bank/baseball-game) | Easy  | 0.68 | [:link:python](/question_bank/baseball-game/baseball-game.py) |
 | [685](https://leetcode-cn.com/problems/redundant-connection-ii/) | [Redundant Connection II](/question_bank/redundant-connection-ii) | Hard  | 0.45 | [:link:python](/question_bank/redundant-connection-ii/redundant-connection-ii.py) |
 | [725](https://leetcode-cn.com/problems/split-linked-list-in-parts/) | [Split Linked List in Parts](/question_bank/split-linked-list-in-parts) | Medium  | 0.55 | [:link:python](/question_bank/split-linked-list-in-parts/split-linked-list-in-parts.py) |
 | [733](https://leetcode-cn.com/problems/flood-fill/) | [Flood Fill](/question_bank/flood-fill) | Easy  | 0.58 | [:link:python](/question_bank/flood-fill/flood-fill.py) |
 | [746](https://leetcode-cn.com/problems/min-cost-climbing-stairs/) | [Min Cost Climbing Stairs](/question_bank/min-cost-climbing-stairs) | Easy  | 0.50 | [:link:python](/question_bank/min-cost-climbing-stairs/min-cost-climbing-stairs.py) |
 | [430](https://leetcode-cn.com/problems/flatten-a-multilevel-doubly-linked-list/) | [Flatten a Multilevel Doubly Linked List](/question_bank/flatten-a-multilevel-doubly-linked-list) | Medium  | 0.51 | [:link:python](/question_bank/flatten-a-multilevel-doubly-linked-list/flatten-a-multilevel-doubly-linked-list.py) |
 | [763](https://leetcode-cn.com/problems/partition-labels/) | [Partition Labels](/question_bank/partition-labels) | Medium  | 0.77 | [:link:python](/question_bank/partition-labels/partition-labels.py) |
 | [589](https://leetcode-cn.com/problems/n-ary-tree-preorder-traversal/) | [N-ary Tree Preorder Traversal](/question_bank/n-ary-tree-preorder-traversal) | Easy  | 0.74 | [:link:python](/question_bank/n-ary-tree-preorder-traversal/n-ary-tree-preorder-traversal.py) |
 | [771](https://leetcode-cn.com/problems/jewels-and-stones/) | [Jewels and Stones](/question_bank/jewels-and-stones) | Easy  | 0.85 | [:link:python](/question_bank/jewels-and-stones/jewels-and-stones.py) |
 | [701](https://leetcode-cn.com/problems/insert-into-a-binary-search-tree/) | [Insert into a Binary Search Tree](/question_bank/insert-into-a-binary-search-tree) | Medium  | 0.72 | [:link:python](/question_bank/insert-into-a-binary-search-tree/insert-into-a-binary-search-tree.py) |
 | [784](https://leetcode-cn.com/problems/letter-case-permutation/) | [Letter Case Permutation](/question_bank/letter-case-permutation) | Medium  | 0.66 | [:link:python](/question_bank/letter-case-permutation/letter-case-permutation.py) |
 | [817](https://leetcode-cn.com/problems/linked-list-components/) | [Linked List Components](/question_bank/linked-list-components) | Medium  | 0.58 | [:link:python](/question_bank/linked-list-components/linked-list-components.py) |
 | [834](https://leetcode-cn.com/problems/sum-of-distances-in-tree/) | Sum of Distances in Tree | Hard  | 0.53 | :heavy_check_mark: |
 | [841](https://leetcode-cn.com/problems/keys-and-rooms/) | [Keys and Rooms](/question_bank/keys-and-rooms) | Medium  | 0.65 | [:link:python](/question_bank/keys-and-rooms/keys-and-rooms.py) |
 | [842](https://leetcode-cn.com/problems/split-array-into-fibonacci-sequence/) | [Split Array into Fibonacci Sequence](/question_bank/split-array-into-fibonacci-sequence) | Medium  | 0.39 | [:link:python](/question_bank/split-array-into-fibonacci-sequence/split-array-into-fibonacci-sequence.py) |
 | [844](https://leetcode-cn.com/problems/backspace-string-compare/) | [Backspace String Compare](/question_bank/backspace-string-compare) | Easy  | 0.52 | [:link:python](/question_bank/backspace-string-compare/backspace-string-compare.py) |
 | [876](https://leetcode-cn.com/problems/middle-of-the-linked-list/) | [Middle of the Linked List](/question_bank/middle-of-the-linked-list) | Easy  | 0.70 | [:link:python](/question_bank/middle-of-the-linked-list/middle-of-the-linked-list.py) |
 | [897](https://leetcode-cn.com/problems/increasing-order-search-tree/) | [Increasing Order Search Tree](/question_bank/increasing-order-search-tree) | Easy  | 0.73 | [:link:python](/question_bank/increasing-order-search-tree/increasing-order-search-tree.py) |
 | [925](https://leetcode-cn.com/problems/long-pressed-name/) | [Long Pressed Name](/question_bank/long-pressed-name) | Easy  | 0.39 | [:link:python](/question_bank/long-pressed-name/long-pressed-name.py) |
 | [942](https://leetcode-cn.com/problems/di-string-match/) | [DI String Match](/question_bank/di-string-match) | Easy  | 0.72 | [:link:python](/question_bank/di-string-match/di-string-match.py) |
 | [968](https://leetcode-cn.com/problems/binary-tree-cameras/) | [Binary Tree Cameras](/question_bank/binary-tree-cameras) | Hard  | 0.49 | [:link:python](/question_bank/binary-tree-cameras/binary-tree-cameras.py) |
 | [977](https://leetcode-cn.com/problems/squares-of-a-sorted-array/) | [Squares of a Sorted Array](/question_bank/squares-of-a-sorted-array) | Easy  | 0.74 | [:link:python](/question_bank/squares-of-a-sorted-array/squares-of-a-sorted-array.py) |
 | [993](https://leetcode-cn.com/problems/cousins-in-binary-tree/) | [Cousins in Binary Tree](/question_bank/cousins-in-binary-tree) | Easy  | 0.52 | [:link:python](/question_bank/cousins-in-binary-tree/cousins-in-binary-tree.py) |
 | [994](https://leetcode-cn.com/problems/rotting-oranges/) | [Rotting Oranges](/question_bank/rotting-oranges) | Medium  | 0.51 | [:link:python](/question_bank/rotting-oranges/rotting-oranges.py) |
 | [996](https://leetcode-cn.com/problems/number-of-squareful-arrays/) | [Number of Squareful Arrays](/question_bank/number-of-squareful-arrays) | Hard  | 0.47 | [:link:python](/question_bank/number-of-squareful-arrays/number-of-squareful-arrays.py) |
 | [1002](https://leetcode-cn.com/problems/find-common-characters/) | [Find Common Characters](/question_bank/find-common-characters) | Easy  | 0.74 | [:link:python](/question_bank/find-common-characters/find-common-characters.py) |
 | [1025](https://leetcode-cn.com/problems/divisor-game/) | [Divisor Game](/question_bank/divisor-game) | Easy  | 0.72 | [:link:python](/question_bank/divisor-game/divisor-game.py) |
 | [1030](https://leetcode-cn.com/problems/matrix-cells-in-distance-order/) | [Matrix Cells in Distance Order](/question_bank/matrix-cells-in-distance-order) | Easy  | 0.65 | [:link:python](/question_bank/matrix-cells-in-distance-order/matrix-cells-in-distance-order.py) |
 | [1079](https://leetcode-cn.com/problems/letter-tile-possibilities/) | [Letter Tile Possibilities](/question_bank/letter-tile-possibilities) | Medium  | 0.73 | [:link:python](/question_bank/letter-tile-possibilities/letter-tile-possibilities.py) |
 | [1291](https://leetcode-cn.com/problems/sequential-digits/) | [Sequential Digits](/question_bank/sequential-digits) | Medium  | 0.51 | [:link:python](/question_bank/sequential-digits/sequential-digits.py) |
 | [1171](https://leetcode-cn.com/problems/remove-zero-sum-consecutive-nodes-from-linked-list/) | [Remove Zero Sum Consecutive Nodes from Linked List](/question_bank/remove-zero-sum-consecutive-nodes-from-linked-list) | Medium  | 0.45 | [:link:python](/question_bank/remove-zero-sum-consecutive-nodes-from-linked-list/remove-zero-sum-consecutive-nodes-from-linked-list.py) |
 | [1184](https://leetcode-cn.com/problems/distance-between-bus-stops/) | [Distance Between Bus Stops](/question_bank/distance-between-bus-stops) | Easy  | 0.57 | [:link:python](/question_bank/distance-between-bus-stops/distance-between-bus-stops.py) |
 | [1185](https://leetcode-cn.com/problems/day-of-the-week/) | [Day of the Week](/question_bank/day-of-the-week) | Easy  | 0.60 | [:link:python](/question_bank/day-of-the-week/day-of-the-week.py) |
 | [1239](https://leetcode-cn.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/) | [Maximum Length of a Concatenated String with Unique Characters](/question_bank/maximum-length-of-a-concatenated-string-with-unique-characters) | Medium  | 0.40 | [:link:python](/question_bank/maximum-length-of-a-concatenated-string-with-unique-characters/maximum-length-of-a-concatenated-string-with-unique-characters.py) |
 | [1310](https://leetcode-cn.com/problems/xor-queries-of-a-subarray/) | [XOR Queries of a Subarray](/question_bank/xor-queries-of-a-subarray) | Medium  | 0.65 | [:link:python](/question_bank/xor-queries-of-a-subarray/xor-queries-of-a-subarray.py) |
 | [1357](https://leetcode-cn.com/problems/apply-discount-every-n-orders/) | [Apply Discount Every n Orders](/question_bank/apply-discount-every-n-orders) | Medium  | 0.51 | [:link:python](/question_bank/apply-discount-every-n-orders/apply-discount-every-n-orders.py) |
 | [1367](https://leetcode-cn.com/problems/linked-list-in-binary-tree/) | [Linked List in Binary Tree](/question_bank/linked-list-in-binary-tree) | Medium  | 0.40 | [:link:python](/question_bank/linked-list-in-binary-tree/linked-list-in-binary-tree.py) |
 | [1415](https://leetcode-cn.com/problems/the-k-th-lexicographical-string-of-all-happy-strings-of-length-n/) | [The k-th Lexicographical String of All Happy Strings of Length n](/question_bank/the-k-th-lexicographical-string-of-all-happy-strings-of-length-n) | Medium  | 0.69 | [:link:python](/question_bank/the-k-th-lexicographical-string-of-all-happy-strings-of-length-n/the-k-th-lexicographical-string-of-all-happy-strings-of-length-n.py) |
 | [1441](https://leetcode-cn.com/problems/build-an-array-with-stack-operations/) | [Build an Array With Stack Operations](/question_bank/build-an-array-with-stack-operations) | Easy  | 0.65 | [:link:python](/question_bank/build-an-array-with-stack-operations/build-an-array-with-stack-operations.py) |
 | [1566](https://leetcode-cn.com/problems/detect-pattern-of-length-m-repeated-k-or-more-times/) | [Detect Pattern of Length M Repeated K or More Times](/question_bank/detect-pattern-of-length-m-repeated-k-or-more-times) | Easy  | 0.43 | [:link:python](/question_bank/detect-pattern-of-length-m-repeated-k-or-more-times/detect-pattern-of-length-m-repeated-k-or-more-times.py) |
 | [1588](https://leetcode-cn.com/problems/sum-of-all-odd-length-subarrays/) | [Sum of All Odd Length Subarrays](/question_bank/sum-of-all-odd-length-subarrays) | Easy  | 0.82 | [:link:python](/question_bank/sum-of-all-odd-length-subarrays/sum-of-all-odd-length-subarrays.py) |
 | [1593](https://leetcode-cn.com/problems/split-a-string-into-the-max-number-of-unique-substrings/) | [Split a String Into the Max Number of Unique Substrings](/question_bank/split-a-string-into-the-max-number-of-unique-substrings) | Medium  | 0.46 | [:link:python](/question_bank/split-a-string-into-the-max-number-of-unique-substrings/split-a-string-into-the-max-number-of-unique-substrings.py) |
 | [面试题 05.06](https://leetcode-cn.com/problems/convert-integer-lcci/) | [Convert Integer LCCI](/question_bank/convert-integer-lcci) | Easy  | 0.51 | [:link:python](/question_bank/convert-integer-lcci/convert-integer-lcci.py) |
 | [面试题 02.05](https://leetcode-cn.com/problems/sum-lists-lcci/) | [Sum Lists LCCI](/question_bank/sum-lists-lcci) | Medium  | 0.46 | [:link:python](/question_bank/sum-lists-lcci/sum-lists-lcci.py) |
 | [面试题 08.01](https://leetcode-cn.com/problems/three-steps-problem-lcci/) | [Three Steps Problem LCCI](/question_bank/three-steps-problem-lcci) | Easy  | 0.35 | [:link:python](/question_bank/three-steps-problem-lcci/three-steps-problem-lcci.py) |
 | [面试题 08.04](https://leetcode-cn.com/problems/power-set-lcci/) | [Power Set LCCI](/question_bank/power-set-lcci) | Medium  | 0.81 | [:link:python](/question_bank/power-set-lcci/power-set-lcci.py) |
 | [面试题 08.09](https://leetcode-cn.com/problems/bracket-lcci/) | [Bracket LCCI](/question_bank/bracket-lcci) | Medium  | 0.81 | [:link:python](/question_bank/bracket-lcci/bracket-lcci.py) |
 | [面试题 08.12](https://leetcode-cn.com/problems/eight-queens-lcci/) | [Eight Queens LCCI](/question_bank/eight-queens-lcci) | Hard  | 0.76 | [:link:python](/question_bank/eight-queens-lcci/eight-queens-lcci.py) |
 | [面试题 08.07](https://leetcode-cn.com/problems/permutation-i-lcci/) | [Permutation I LCCI](/question_bank/permutation-i-lcci) | Medium  | 0.81 | [:link:python](/question_bank/permutation-i-lcci/permutation-i-lcci.py) |
 | [剑指 Offer 20](https://leetcode-cn.com/problems/biao-shi-shu-zhi-de-zi-fu-chuan-lcof/) | [表示数值的字符串 LCOF](/question_bank/biao-shi-shu-zhi-de-zi-fu-chuan-lcof) | Medium  | 0.23 | [:link:python](/question_bank/biao-shi-shu-zhi-de-zi-fu-chuan-lcof/biao-shi-shu-zhi-de-zi-fu-chuan-lcof.py) |
 | [剑指 Offer 42](https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof/) | [连续子数组的最大和  LCOF](/question_bank/lian-xu-zi-shu-zu-de-zui-da-he-lcof) | Easy  | 0.60 | [:link:python](/question_bank/lian-xu-zi-shu-zu-de-zui-da-he-lcof/lian-xu-zi-shu-zu-de-zui-da-he-lcof.py) |
 | [剑指 Offer 38](https://leetcode-cn.com/problems/zi-fu-chuan-de-pai-lie-lcof/) | [字符串的排列  LCOF](/question_bank/zi-fu-chuan-de-pai-lie-lcof) | Medium  | 0.55 | [:link:python](/question_bank/zi-fu-chuan-de-pai-lie-lcof/zi-fu-chuan-de-pai-lie-lcof.py) |
 | [剑指 Offer 32 - II](https://leetcode-cn.com/problems/cong-shang-dao-xia-da-yin-er-cha-shu-ii-lcof/) | [从上到下打印二叉树 II LCOF](/question_bank/cong-shang-dao-xia-da-yin-er-cha-shu-ii-lcof) | Easy  | 0.69 | [:link:python](/question_bank/cong-shang-dao-xia-da-yin-er-cha-shu-ii-lcof/cong-shang-dao-xia-da-yin-er-cha-shu-ii-lcof.py) |
 | [面试题 08.08](https://leetcode-cn.com/problems/permutation-ii-lcci/) | [Permutation II LCCI](/question_bank/permutation-ii-lcci) | Medium  | 0.71 | [:link:python](/question_bank/permutation-ii-lcci/permutation-ii-lcci.py) |
 | [面试题 16.17](https://leetcode-cn.com/problems/contiguous-sequence-lcci/) | [Contiguous Sequence LCCI](/question_bank/contiguous-sequence-lcci) | Easy  | 0.59 | [:link:python](/question_bank/contiguous-sequence-lcci/contiguous-sequence-lcci.py) |
 | [面试题 02.04](https://leetcode-cn.com/problems/partition-list-lcci/) | [Partition List LCCI](/question_bank/partition-list-lcci) | Medium  | 0.64 | [:link:python](/question_bank/partition-list-lcci/partition-list-lcci.py) |
 | [面试题 17.16](https://leetcode-cn.com/problems/the-masseuse-lcci/) | [The Masseuse LCCI](/question_bank/the-masseuse-lcci) | Easy  | 0.53 | [:link:python](/question_bank/the-masseuse-lcci/the-masseuse-lcci.py) |
 | [面试题 17.10](https://leetcode-cn.com/problems/find-majority-element-lcci/) | [Find Majority Element LCCI](/question_bank/find-majority-element-lcci) | Easy  | 0.62 | [:link:python](/question_bank/find-majority-element-lcci/find-majority-element-lcci.py) |
 | [LCP 19](https://leetcode-cn.com/problems/UlBDOe/) | [秋叶收藏集](/question_bank/UlBDOe) | Medium  | 0.51 | [:link:python](/question_bank/UlBDOe/UlBDOe.py) |