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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
- README.md
- README_EN.md
- __init__.py
- bash_problem_readme_template.md
- bash_problem_readme_template_en.md
- main.py
- problem_readme_template.md
- problem_readme_template_en.md
- readme_template.md
- readme_template_en.md
- sql_problem_readme_template.md
- sql_problem_readme_template_en.md
- summary.md
- summary_en.md
.docsifytopdfrc.js
.gitignore
.nojekyll
.prettierrc
CODE_OF_CONDUCT.md
LICENSE
README.md
README_EN.md
index.html
package.json
summary.md
summary_en.md
yarn.lock

0200-0299

Jan 2, 2022

576675f · Jan 2, 2022

Name	Name	Last commit message	Last commit date
parent directory ..
0200.Number of Islands	0200.Number of Islands	style: format code and docs (#645 )	Dec 24, 2021
0201.Bitwise AND of Numbers Range	0201.Bitwise AND of Numbers Range	style: format code and docs (#645 )	Dec 24, 2021
0202.Happy Number	0202.Happy Number	style: format code and docs (#645 )	Dec 24, 2021
0203.Remove Linked List Elements	0203.Remove Linked List Elements	style: format code and docs (#645 )	Dec 24, 2021
0204.Count Primes	0204.Count Primes	style: format code and docs (#645 )	Dec 24, 2021
0205.Isomorphic Strings	0205.Isomorphic Strings	style: format code and docs (#645 )	Dec 24, 2021
0206.Reverse Linked List	0206.Reverse Linked List	style: format code and docs (#645 )	Dec 24, 2021
0207.Course Schedule	0207.Course Schedule	feat: add typescript solution to lc problem: No.0207	Dec 29, 2021
0208.Implement Trie (Prefix Tree)	0208.Implement Trie (Prefix Tree)	style: format code and docs (#645 )	Dec 24, 2021
0209.Minimum Size Subarray Sum	0209.Minimum Size Subarray Sum	feat: add solutions to lcci problem: No.17.05	Jan 2, 2022
0210.Course Schedule II	0210.Course Schedule II	feat: add typescript solution to lc problem: No.0210	Dec 30, 2021
0211.Design Add and Search Words Data Structure	0211.Design Add and Search Words Data Structure	style: format code and docs (#645 )	Dec 24, 2021
0212.Word Search II	0212.Word Search II	style: format code and docs (#645 )	Dec 24, 2021
0213.House Robber II	0213.House Robber II	style: format code and docs (#645 )	Dec 24, 2021
0214.Shortest Palindrome	0214.Shortest Palindrome	style: format code and docs (#645 )	Dec 24, 2021
0215.Kth Largest Element in an Array	0215.Kth Largest Element in an Array	style: format code and docs (#645 )	Dec 24, 2021
0216.Combination Sum III	0216.Combination Sum III	feat: add solutions to lc problem: No.0216	Dec 13, 2021
0217.Contains Duplicate	0217.Contains Duplicate	style: format code and docs (#645 )	Dec 24, 2021
0218.The Skyline Problem	0218.The Skyline Problem	style: format code and docs (#645 )	Dec 24, 2021
0219.Contains Duplicate II	0219.Contains Duplicate II	style: format code and docs (#645 )	Dec 24, 2021
0220.Contains Duplicate III	0220.Contains Duplicate III	style: format code and docs (#645 )	Dec 24, 2021
0221.Maximal Square	0221.Maximal Square	style: format code and docs (#645 )	Dec 24, 2021
0222.Count Complete Tree Nodes	0222.Count Complete Tree Nodes	style: format code and docs (#645 )	Dec 24, 2021
0223.Rectangle Area	0223.Rectangle Area	feat: add solutions to lc/lcof2 problem: Combinations	Oct 1, 2021
0224.Basic Calculator	0224.Basic Calculator	style: format code and docs (#645 )	Dec 24, 2021
0225.Implement Stack using Queues	0225.Implement Stack using Queues	style: format code and docs (#645 )	Dec 24, 2021
0226.Invert Binary Tree	0226.Invert Binary Tree	style: format code and docs (#645 )	Dec 24, 2021
0227.Basic Calculator II	0227.Basic Calculator II	style: format code and docs (#645 )	Dec 24, 2021
0228.Summary Ranges	0228.Summary Ranges	feat: add solutions to lc problem: No.0228. Summary Ranges	Jul 27, 2021
0229.Majority Element II	0229.Majority Element II	feat: add solutions to lc/lcof/lcci problems	Oct 22, 2021
0230.Kth Smallest Element in a BST	0230.Kth Smallest Element in a BST	feat: add solutions to lc problems: No.0230,0671	Oct 17, 2021
0231.Power of Two	0231.Power of Two	style: format code and docs (#645 )	Dec 24, 2021
0232.Implement Queue using Stacks	0232.Implement Queue using Stacks	style: format code and docs (#645 )	Dec 24, 2021
0233.Number of Digit One	0233.Number of Digit One	style: format code and docs (#645 )	Dec 24, 2021
0234.Palindrome Linked List	0234.Palindrome Linked List	style: format code and docs (#645 )	Dec 24, 2021
0235.Lowest Common Ancestor of a Binary Search Tree	0235.Lowest Common Ancestor of a Binary Search Tree	style: format code and docs (#645 )	Dec 24, 2021
0236.Lowest Common Ancestor of a Binary Tree	0236.Lowest Common Ancestor of a Binary Tree	style: format code and docs (#645 )	Dec 24, 2021
0237.Delete Node in a Linked List	0237.Delete Node in a Linked List	style: format code and docs (#645 )	Dec 24, 2021
0238.Product of Array Except Self	0238.Product of Array Except Self	style: format code and docs (#645 )	Dec 24, 2021
0239.Sliding Window Maximum	0239.Sliding Window Maximum	style: format code and docs (#645 )	Dec 24, 2021
0240.Search a 2D Matrix II	0240.Search a 2D Matrix II	style: format code and docs (#645 )	Dec 24, 2021
0241.Different Ways to Add Parentheses	0241.Different Ways to Add Parentheses	style: format code and docs (#645 )	Dec 24, 2021
0242.Valid Anagram	0242.Valid Anagram	style: format code and docs (#645 )	Dec 24, 2021
0243.Shortest Word Distance	0243.Shortest Word Distance	style: format code and docs (#645 )	Dec 24, 2021
0244.Shortest Word Distance II	0244.Shortest Word Distance II	feat: add solutions to lcci problem: No.10.02	Sep 30, 2021
0245.Shortest Word Distance III	0245.Shortest Word Distance III	style: format code and docs (#645 )	Dec 24, 2021
0246.Strobogrammatic Number	0246.Strobogrammatic Number	style: format code and docs (#645 )	Dec 24, 2021
0247.Strobogrammatic Number II	0247.Strobogrammatic Number II	style: format code and docs (#645 )	Dec 24, 2021
0248.Strobogrammatic Number III	0248.Strobogrammatic Number III	style: format code and docs (#645 )	Dec 24, 2021
0249.Group Shifted Strings	0249.Group Shifted Strings	style: format code and docs (#645 )	Dec 24, 2021
0250.Count Univalue Subtrees	0250.Count Univalue Subtrees	feat: add solutions to lc problems: No.0250,0572	Oct 5, 2021
0251.Flatten 2D Vector	0251.Flatten 2D Vector	style: format code and docs (#645 )	Dec 24, 2021
0252.Meeting Rooms	0252.Meeting Rooms	style: format code and docs (#645 )	Dec 24, 2021
0253.Meeting Rooms II	0253.Meeting Rooms II	feat: add solutions to lc problem: No.0253,1109	Aug 2, 2021
0254.Factor Combinations	0254.Factor Combinations	style: format code and docs (#645 )	Dec 24, 2021
0255.Verify Preorder Sequence in Binary Search Tree	0255.Verify Preorder Sequence in Binary Search Tree	feat: add solutions to lc problem: No.0255	Oct 18, 2021
0256.Paint House	0256.Paint House	feat: add solutions to lc/lcof2 problems	Dec 25, 2021
0257.Binary Tree Paths	0257.Binary Tree Paths	style: format code and docs (#645 )	Dec 24, 2021
0258.Add Digits	0258.Add Digits	style: format code and docs (#645 )	Dec 24, 2021
0259.3Sum Smaller	0259.3Sum Smaller	style: format code and docs (#645 )	Dec 24, 2021
0260.Single Number III	0260.Single Number III	style: format code and docs (#645 )	Dec 24, 2021
0261.Graph Valid Tree	0261.Graph Valid Tree	feat: add solutions to lc/lcof2 problem:Sum Root to Leaf Numbers	Aug 30, 2021
0262.Trips and Users	0262.Trips and Users	style: format code and docs (#645 )	Dec 24, 2021
0263.Ugly Number	0263.Ugly Number	style: format code and docs (#645 )	Dec 24, 2021
0264.Ugly Number II	0264.Ugly Number II	style: format code and docs (#645 )	Dec 24, 2021
0265.Paint House II	0265.Paint House II	style: format code and docs (#645 )	Dec 24, 2021
0266.Palindrome Permutation	0266.Palindrome Permutation	feat: add new lc problems and update solutions	Nov 28, 2021
0267.Palindrome Permutation II	0267.Palindrome Permutation II	style: format code and docs (#645 )	Dec 24, 2021
0268.Missing Number	0268.Missing Number	style: format code and docs (#645 )	Dec 24, 2021
0269.Alien Dictionary	0269.Alien Dictionary	style: format code and docs (#645 )	Dec 24, 2021
0270.Closest Binary Search Tree Value	0270.Closest Binary Search Tree Value	style: format code and docs (#645 )	Dec 24, 2021
0271.Encode and Decode Strings	0271.Encode and Decode Strings	style: format code and docs (#645 )	Dec 24, 2021
0272.Closest Binary Search Tree Value II	0272.Closest Binary Search Tree Value II	style: format code and docs (#645 )	Dec 24, 2021
0273.Integer to English Words	0273.Integer to English Words	style: format code and docs (#645 )	Dec 24, 2021
0274.H-Index	0274.H-Index	style: format code and docs (#645 )	Dec 24, 2021
0275.H-Index II	0275.H-Index II	style: format code and docs (#645 )	Dec 24, 2021
0276.Paint Fence	0276.Paint Fence	style: format code and docs (#645 )	Dec 24, 2021
0277.Find the Celebrity	0277.Find the Celebrity	style: format code and docs (#645 )	Dec 24, 2021
0278.First Bad Version	0278.First Bad Version	style: format code and docs (#645 )	Dec 24, 2021
0279.Perfect Squares	0279.Perfect Squares	style: format code and docs (#645 )	Dec 24, 2021
0280.Wiggle Sort	0280.Wiggle Sort	style: format code and docs (#645 )	Dec 24, 2021
0281.Zigzag Iterator	0281.Zigzag Iterator	style: format code and docs (#645 )	Dec 24, 2021
0282.Expression Add Operators	0282.Expression Add Operators	style: format code and docs (#645 )	Dec 24, 2021
0283.Move Zeroes	0283.Move Zeroes	feat: add rust solutions to lc problems	Jan 2, 2022
0284.Peeking Iterator	0284.Peeking Iterator	feat: add solutions to lc problem: No.0284.Peeking Iterator	Oct 4, 2021
0285.Inorder Successor in BST	0285.Inorder Successor in BST	style: format code and docs (#645 )	Dec 24, 2021
0286.Walls and Gates	0286.Walls and Gates	style: format code and docs (#645 )	Dec 24, 2021
0287.Find the Duplicate Number	0287.Find the Duplicate Number	style: format code and docs (#645 )	Dec 24, 2021
0288.Unique Word Abbreviation	0288.Unique Word Abbreviation	feat: add solutions to lc problem: No.0288	Dec 8, 2021
0289.Game of Life	0289.Game of Life	feat: add solutions to lc problem: No.0289	Dec 8, 2021
0290.Word Pattern	0290.Word Pattern	style: format code and docs (#645 )	Dec 24, 2021
0291.Word Pattern II	0291.Word Pattern II	style: format code and docs (#645 )	Dec 24, 2021
0292.Nim Game	0292.Nim Game	style: format code and docs (#645 )	Dec 24, 2021
0293.Flip Game	0293.Flip Game	style: format code and docs (#645 )	Dec 24, 2021
0294.Flip Game II	0294.Flip Game II	style: format code and docs (#645 )	Dec 24, 2021
0295.Find Median from Data Stream	0295.Find Median from Data Stream	feat: add cpp solution to lc problem: No.0295.Find Median from Data S…	Aug 27, 2021
0296.Best Meeting Point	0296.Best Meeting Point	style: format code and docs (#645 )	Dec 24, 2021
0297.Serialize and Deserialize Binary Tree	0297.Serialize and Deserialize Binary Tree	style: format code and docs (#645 )	Dec 24, 2021
0298.Binary Tree Longest Consecutive Sequence	0298.Binary Tree Longest Consecutive Sequence	feat: add solutions to lc problem: No.0298	Dec 24, 2021
0299.Bulls and Cows	0299.Bulls and Cows	feat: add solutions to lc problem: No.0299	Nov 8, 2021

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