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basic
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lcci
lcof
lcof2
lcp
lcs
solution
- 0000-0099
- 0100-0199
- 0200-0299
  - 0200.Number of Islands
  - 0201.Bitwise AND of Numbers Range
  - 0202.Happy Number
  - 0203.Remove Linked List Elements
  - 0204.Count Primes
  - 0205.Isomorphic Strings
  - 0206.Reverse Linked List
  - 0207.Course Schedule
  - 0208.Implement Trie (Prefix Tree)
  - 0209.Minimum Size Subarray Sum
  - 0210.Course Schedule II
  - 0211.Design Add and Search Words Data Structure
  - 0212.Word Search II
  - 0213.House Robber II
  - 0214.Shortest Palindrome
  - 0215.Kth Largest Element in an Array
  - 0216.Combination Sum III
  - 0217.Contains Duplicate
  - 0218.The Skyline Problem
  - 0219.Contains Duplicate II
  - 0220.Contains Duplicate III
  - 0221.Maximal Square
  - 0222.Count Complete Tree Nodes
  - 0223.Rectangle Area
  - 0224.Basic Calculator
  - 0225.Implement Stack using Queues
  - 0226.Invert Binary Tree
  - 0227.Basic Calculator II
  - 0228.Summary Ranges
  - 0229.Majority Element II
  - 0230.Kth Smallest Element in a BST
  - 0231.Power of Two
  - 0232.Implement Queue using Stacks
  - 0233.Number of Digit One
  - 0234.Palindrome Linked List
  - 0235.Lowest Common Ancestor of a Binary Search Tree
  - 0236.Lowest Common Ancestor of a Binary Tree
  - 0237.Delete Node in a Linked List
  - 0238.Product of Array Except Self
  - 0239.Sliding Window Maximum
  - 0240.Search a 2D Matrix II
  - 0241.Different Ways to Add Parentheses
  - 0242.Valid Anagram
  - 0243.Shortest Word Distance
  - 0244.Shortest Word Distance II
  - 0245.Shortest Word Distance III
  - 0246.Strobogrammatic Number
  - 0247.Strobogrammatic Number II
  - 0248.Strobogrammatic Number III
  - 0249.Group Shifted Strings
  - 0250.Count Univalue Subtrees
  - 0251.Flatten 2D Vector
  - 0252.Meeting Rooms
  - 0253.Meeting Rooms II
  - 0254.Factor Combinations
  - 0255.Verify Preorder Sequence in Binary Search Tree
  - 0256.Paint House
  - 0257.Binary Tree Paths
  - 0258.Add Digits
  - 0259.3Sum Smaller
  - 0260.Single Number III
  - 0261.Graph Valid Tree
  - 0262.Trips and Users
  - 0263.Ugly Number
  - 0264.Ugly Number II
  - 0265.Paint House II
  - 0266.Palindrome Permutation
  - 0267.Palindrome Permutation II
  - 0268.Missing Number
  - 0269.Alien Dictionary
  - 0270.Closest Binary Search Tree Value
  - 0271.Encode and Decode Strings
  - 0272.Closest Binary Search Tree Value II
  - 0273.Integer to English Words
  - 0274.H-Index
  - 0275.H-Index II
  - 0276.Paint Fence
  - 0277.Find the Celebrity
  - 0278.First Bad Version
  - 0279.Perfect Squares
  - 0280.Wiggle Sort
  - 0281.Zigzag Iterator
  - 0282.Expression Add Operators
  - 0283.Move Zeroes
  - 0284.Peeking Iterator
  - 0285.Inorder Successor in BST
  - 0286.Walls and Gates
  - 0287.Find the Duplicate Number
  - 0288.Unique Word Abbreviation
  - 0289.Game of Life
  - 0290.Word Pattern
  - 0291.Word Pattern II
  - 0292.Nim Game
  - 0293.Flip Game
  - 0294.Flip Game II
  - 0295.Find Median from Data Stream
  - 0296.Best Meeting Point
  - 0297.Serialize and Deserialize Binary Tree
  - 0298.Binary Tree Longest Consecutive Sequence
  - 0299.Bulls and Cows
- 0300-0399
- 0400-0499
- 0500-0599
- 0600-0699
- 0700-0799
- 0800-0899
- 0900-0999
- 1000-1099
- 1100-1199
- 1200-1299
- 1300-1399
- 1400-1499
- 1500-1599
- 1600-1699
- 1700-1799
- 1800-1899
- 1900-1999
- 2000-2099
- 2100-2199
- 2200-2299
- 2300-2399
- 2400-2499
- 2500-2599
- 2600-2699
- 2700-2799
- 2800-2899
- 2900-2999
- 3000-3099
- 3100-3199
- 3200-3299
- 3300-3399
- 3400-3499
- CONTEST_README.md
- CONTEST_README_EN.md
- DATABASE_README.md
- DATABASE_README_EN.md
- JAVASCRIPT_README.md
- JAVASCRIPT_README_EN.md
- README.md
- README_EN.md
- __init__.py
- contest.json
- main.py
- rating.json
- rating.py
- template.md
- util.py
.clang-format
.editorconfig
.gitignore
.nojekyll
.prettierignore
.prettierrc
CODE_OF_CONDUCT.md
Dockerfile
LICENSE
README.md
README_EN.md
commitlint.config.js
package-lock.json
package.json
requirements.txt
run_format.py

0200-0299

Mar 3, 2025

93dfaca · Mar 3, 2025

Name	Name	Last commit message	Last commit date
parent directory ..
0200.Number of Islands	0200.Number of Islands	chore: format rust code with rustfmt (#3140 )	Jun 21, 2024
0201.Bitwise AND of Numbers Range	0201.Bitwise AND of Numbers Range	feat: update code blocks (#2827 )	May 17, 2024
0202.Happy Number	0202.Happy Number	feat: update code blocks (#2827 )	May 17, 2024
0203.Remove Linked List Elements	0203.Remove Linked List Elements	feat: update code blocks (#2827 )	May 17, 2024
0204.Count Primes	0204.Count Primes	feat: update code blocks (#2827 )	May 17, 2024
0205.Isomorphic Strings	0205.Isomorphic Strings	feat: update lc problems (#3454 )	Aug 29, 2024
0206.Reverse Linked List	0206.Reverse Linked List	feat: update code blocks (#2827 )	May 17, 2024
0207.Course Schedule	0207.Course Schedule	feat: add weekly contest (#3926 )	Jan 5, 2025
0208.Implement Trie (Prefix Tree)	0208.Implement Trie (Prefix Tree)	feat: update lc problems (#3438 )	Aug 21, 2024
0209.Minimum Size Subarray Sum	0209.Minimum Size Subarray Sum	feat: add weekly contest 422 (#3706 )	Nov 3, 2024
0210.Course Schedule II	0210.Course Schedule II	feat: update code blocks (#2827 )	May 17, 2024
0211.Design Add and Search Words Data Structure	0211.Design Add and Search Words Data Structure	feat: update code blocks (#2827 )	May 17, 2024
0212.Word Search II	0212.Word Search II	feat: update code blocks (#2827 )	May 17, 2024
0213.House Robber II	0213.House Robber II	feat: update code blocks (#2827 )	May 17, 2024
0214.Shortest Palindrome	0214.Shortest Palindrome	feat: add solutions to lc problem: No.0214 (#3416 )	Aug 15, 2024
0215.Kth Largest Element in an Array	0215.Kth Largest Element in an Array	chore: update lc problems (#3314 )	Jul 24, 2024
0216.Combination Sum III	0216.Combination Sum III	feat: add js solution to lc problem: No.0216 (#3244 )	Jul 10, 2024
0217.Contains Duplicate	0217.Contains Duplicate	feat: update lc problems (#3491 )	Sep 6, 2024
0218.The Skyline Problem	0218.The Skyline Problem	feat: update code blocks (#2827 )	May 17, 2024
0219.Contains Duplicate II	0219.Contains Duplicate II	feat: update solutions to lc problem: No.0219 (#4001 )	Jan 28, 2025
0220.Contains Duplicate III	0220.Contains Duplicate III	chore: remove unnecessary import statements (#3958 )	Jan 16, 2025
0221.Maximal Square	0221.Maximal Square	chore: update lc problems (#3314 )	Jul 24, 2024
0222.Count Complete Tree Nodes	0222.Count Complete Tree Nodes	feat: update lc problems (#3881 )	Dec 23, 2024
0223.Rectangle Area	0223.Rectangle Area	feat: update code blocks (#2827 )	May 17, 2024
0224.Basic Calculator	0224.Basic Calculator	feat: update code blocks (#2827 )	May 17, 2024
0225.Implement Stack using Queues	0225.Implement Stack using Queues	chore: remove unnecessary import statements (#3958 )	Jan 16, 2025
0226.Invert Binary Tree	0226.Invert Binary Tree	feat: add solutions to lc problem: No.0101 (#3910 )	Dec 31, 2024
0227.Basic Calculator II	0227.Basic Calculator II	feat: update code blocks (#2827 )	May 17, 2024
0228.Summary Ranges	0228.Summary Ranges	feat: update lc problems (#2834 )	May 18, 2024
0229.Majority Element II	0229.Majority Element II	feat: update code blocks (#2827 )	May 17, 2024
0230.Kth Smallest Element in a BST	0230.Kth Smallest Element in a BST	feat: update lc problems (#3419 )	Aug 15, 2024
0231.Power of Two	0231.Power of Two	feat: update code blocks (#2827 )	May 17, 2024
0232.Implement Queue using Stacks	0232.Implement Queue using Stacks	feat: add rustfmt tool (#3139 )	Jun 21, 2024
0233.Number of Digit One	0233.Number of Digit One	feat: update cpp dfs solutions (#3874 )	Dec 21, 2024
0234.Palindrome Linked List	0234.Palindrome Linked List	feat: update code blocks (#2827 )	May 17, 2024
0235.Lowest Common Ancestor of a Binary Search Tree	0235.Lowest Common Ancestor of a Binary Search Tree	feat: update code blocks (#2827 )	May 17, 2024
0236.Lowest Common Ancestor of a Binary Tree	0236.Lowest Common Ancestor of a Binary Tree	chore: format rust code with rustfmt (#3140 )	Jun 21, 2024
0237.Delete Node in a Linked List	0237.Delete Node in a Linked List	feat: update code blocks (#2827 )	May 17, 2024
0238.Product of Array Except Self	0238.Product of Array Except Self	feat: update lc problems (#4002 )	Jan 30, 2025
0239.Sliding Window Maximum	0239.Sliding Window Maximum	feat: add weekly contest 430 (#3900 )	Dec 29, 2024
0240.Search a 2D Matrix II	0240.Search a 2D Matrix II	feat: add solutions to lc problem: No.240 (#3898 )	Dec 28, 2024
0241.Different Ways to Add Parentheses	0241.Different Ways to Add Parentheses	feat: update lc problems (#3542 )	Sep 20, 2024
0242.Valid Anagram	0242.Valid Anagram	feat: update lc problems (#3491 )	Sep 6, 2024
0243.Shortest Word Distance	0243.Shortest Word Distance	feat: update code blocks (#2827 )	May 17, 2024
0244.Shortest Word Distance II	0244.Shortest Word Distance II	feat: update code blocks (#2827 )	May 17, 2024
0245.Shortest Word Distance III	0245.Shortest Word Distance III	feat: update code blocks (#2827 )	May 17, 2024
0246.Strobogrammatic Number	0246.Strobogrammatic Number	feat: update code blocks (#2827 )	May 17, 2024
0247.Strobogrammatic Number II	0247.Strobogrammatic Number II	feat: update code blocks (#2827 )	May 17, 2024
0248.Strobogrammatic Number III	0248.Strobogrammatic Number III	feat: update code blocks (#2827 )	May 17, 2024
0249.Group Shifted Strings	0249.Group Shifted Strings	feat: update lc problems (#3149 )	Jun 22, 2024
0250.Count Univalue Subtrees	0250.Count Univalue Subtrees	feat: update code blocks (#2827 )	May 17, 2024
0251.Flatten 2D Vector	0251.Flatten 2D Vector	feat: update lc problems (#3195 )	Jul 3, 2024
0252.Meeting Rooms	0252.Meeting Rooms	chore: format rust code with rustfmt (#3140 )	Jun 21, 2024
0253.Meeting Rooms II	0253.Meeting Rooms II	chore: format rust code with rustfmt (#3140 )	Jun 21, 2024
0254.Factor Combinations	0254.Factor Combinations	feat: update lc problems (#4097 )	Feb 22, 2025
0255.Verify Preorder Sequence in Binary Search Tree	0255.Verify Preorder Sequence in Binary Search Tree	feat: update code blocks (#2827 )	May 17, 2024
0256.Paint House	0256.Paint House	feat: update code blocks (#2827 )	May 17, 2024
0257.Binary Tree Paths	0257.Binary Tree Paths	feat: update code blocks (#2827 )	May 17, 2024
0258.Add Digits	0258.Add Digits	feat: update lc problems (#3635 )	Oct 12, 2024
0259.3Sum Smaller	0259.3Sum Smaller	feat: update lc problems (#3635 )	Oct 12, 2024
0260.Single Number III	0260.Single Number III	feat: add js/ts solutions to lc problem: No.0260 (#3383 )	Aug 9, 2024
0261.Graph Valid Tree	0261.Graph Valid Tree	feat: update code blocks (#2827 )	May 17, 2024
0262.Trips and Users	0262.Trips and Users	feat: update lc problems (#4123 )	Mar 3, 2025
0263.Ugly Number	0263.Ugly Number	feat: add solutions to lc problem: No.3358 (#3771 )	Nov 18, 2024
0264.Ugly Number II	0264.Ugly Number II	feat: update code blocks (#2827 )	May 17, 2024
0265.Paint House II	0265.Paint House II	feat: update code blocks (#2827 )	May 17, 2024
0266.Palindrome Permutation	0266.Palindrome Permutation	feat: update solutions to lc problems: No.0209,0266 (#3372 )	Aug 6, 2024
0267.Palindrome Permutation II	0267.Palindrome Permutation II	feat: update code blocks (#2827 )	May 17, 2024
0268.Missing Number	0268.Missing Number	feat: update lc problems (#3947 )	Jan 13, 2025
0269.Alien Dictionary	0269.Alien Dictionary	feat: update code blocks (#2827 )	May 17, 2024
0270.Closest Binary Search Tree Value	0270.Closest Binary Search Tree Value	chore: update lc problems (#3314 )	Jul 24, 2024
0271.Encode and Decode Strings	0271.Encode and Decode Strings	feat: update lc problems (#3195 )	Jul 3, 2024
0272.Closest Binary Search Tree Value II	0272.Closest Binary Search Tree Value II	feat: update code blocks (#2827 )	May 17, 2024
0273.Integer to English Words	0273.Integer to English Words	feat: add js/ts solutions to lc problem: No.0273 (#3378 )	Aug 8, 2024
0274.H-Index	0274.H-Index	chore: format rust code with rustfmt (#3140 )	Jun 21, 2024
0275.H-Index II	0275.H-Index II	feat: update code blocks (#2827 )	May 17, 2024
0276.Paint Fence	0276.Paint Fence	feat: update code blocks (#2827 )	May 17, 2024
0277.Find the Celebrity	0277.Find the Celebrity	feat: add solutions to lc problem: No.3374 (#3831 )	Dec 2, 2024
0278.First Bad Version	0278.First Bad Version	feat: update lc problems (#2852 )	May 20, 2024
0279.Perfect Squares	0279.Perfect Squares	feat: update code blocks (#2827 )	May 17, 2024
0280.Wiggle Sort	0280.Wiggle Sort	feat: update code blocks (#2827 )	May 17, 2024
0281.Zigzag Iterator	0281.Zigzag Iterator	feat: update lc problems (#2834 )	May 18, 2024
0282.Expression Add Operators	0282.Expression Add Operators	feat: update code blocks (#2827 )	May 17, 2024
0283.Move Zeroes	0283.Move Zeroes	feat: update lc problems (#3892 )	Dec 27, 2024
0284.Peeking Iterator	0284.Peeking Iterator	feat: update code blocks (#2827 )	May 17, 2024
0285.Inorder Successor in BST	0285.Inorder Successor in BST	feat: update code blocks (#2827 )	May 17, 2024
0286.Walls and Gates	0286.Walls and Gates	feat: update code blocks (#2827 )	May 17, 2024
0287.Find the Duplicate Number	0287.Find the Duplicate Number	feat: update lc problems (#3542 )	Sep 20, 2024
0288.Unique Word Abbreviation	0288.Unique Word Abbreviation	feat: update code blocks (#2827 )	May 17, 2024
0289.Game of Life	0289.Game of Life	feat: update lc problems (#3806 )	Nov 23, 2024
0290.Word Pattern	0290.Word Pattern	feat: add biweekly contest 138 and weekly contest 413 (#3465 )	Sep 1, 2024
0291.Word Pattern II	0291.Word Pattern II	feat: update code blocks (#2827 )	May 17, 2024
0292.Nim Game	0292.Nim Game	feat: update code blocks (#2827 )	May 17, 2024
0293.Flip Game	0293.Flip Game	feat: update code blocks (#2827 )	May 17, 2024
0294.Flip Game II	0294.Flip Game II	feat: update code blocks (#2827 )	May 17, 2024
0295.Find Median from Data Stream	0295.Find Median from Data Stream	chore: update lc problems (#3314 )	Jul 24, 2024
0296.Best Meeting Point	0296.Best Meeting Point	chore: format rust code with rustfmt (#3140 )	Jun 21, 2024
0297.Serialize and Deserialize Binary Tree	0297.Serialize and Deserialize Binary Tree	feat: update lc problems (#3634 )	Oct 11, 2024
0298.Binary Tree Longest Consecutive Sequence	0298.Binary Tree Longest Consecutive Sequence	feat: update code blocks (#2827 )	May 17, 2024
0299.Bulls and Cows	0299.Bulls and Cows	feat: update code blocks (#2827 )	May 17, 2024

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