Files

.github
.vscode
leetcode
- 0001.Two-Sum
- 0002.Add-Two-Numbers
- 0003.Longest-Substring-Without-Repeating-Characters
- 0004.Median-of-Two-Sorted-Arrays
- 0007.Reverse-Integer
- 0009.Palindrome-Number
- 0011.Container-With-Most-Water
- 0013.Roman-to-Integer
- 0015.3Sum
- 0016.3Sum-Closest
- 0017.Letter-Combinations-of-a-Phone-Number
- 0018.4Sum
- 0019.Remove-Nth-Node-From-End-of-List
- 0020.Valid-Parentheses
- 0021.Merge-Two-Sorted-Lists
- 0022.Generate-Parentheses
- 0023.Merge-k-Sorted-Lists
- 0024.Swap-Nodes-in-Pairs
- 0025.Reverse-Nodes-in-k-Group
- 0026.Remove-Duplicates-from-Sorted-Array
- 0027.Remove-Element
- 0028.Implement-strStr
- 0029.Divide-Two-Integers
- 0030.Substring-with-Concatenation-of-All-Words
- 0033.Search-in-Rotated-Sorted-Array
- 0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array
- 0035.Search-Insert-Position
- 0036.Valid-Sudoku
- 0037.Sudoku-Solver
- 0039.Combination-Sum
- 0040.Combination-Sum-II
- 0041.First-Missing-Positive
- 0042.Trapping-Rain-Water
- 0046.Permutations
- 0047.Permutations-II
- 0048.Rotate-Image
- 0049.Group-Anagrams
- 0050.Powx-n
- 0051.N-Queens
- 0052.N-Queens-II
- 0053.Maximum-Subarray
- 0054.Spiral-Matrix
- 0055.Jump-Game
- 0056.Merge-Intervals
- 0057.Insert-Interval
- 0059.Spiral-Matrix-II
- 0060.Permutation-Sequence
- 0061.Rotate-List
- 0062.Unique-Paths
- 0063.Unique-Paths-II
- 0064.Minimum-Path-Sum
- 0066.Plus-One
- 0067.Add-Binary
- 0069.Sqrtx
- 0070.Climbing-Stairs
- 0071.Simplify-Path
- 0074.Search-a-2D-Matrix
- 0075.Sort-Colors
- 0076.Minimum-Window-Substring
- 0077.Combinations
- 0078.Subsets
- 0079.Word-Search
- 0080.Remove-Duplicates-from-Sorted-Array-II
- 0081.Search-in-Rotated-Sorted-Array-II
- 0082.Remove-Duplicates-from-Sorted-List-II
- 0083.Remove-Duplicates-from-Sorted-List
- 0084.Largest-Rectangle-in-Histogram
- 0086.Partition-List
- 0088.Merge-Sorted-Array
- 0089.Gray-Code
- 0090.Subsets-II
- 0091.Decode-Ways
- 0092.Reverse-Linked-List-II
- 0093.Restore-IP-Addresses
- 0094.Binary-Tree-Inorder-Traversal
- 0095.Unique-Binary-Search-Trees-II
- 0096.Unique-Binary-Search-Trees
- 0098.Validate-Binary-Search-Tree
- 0099.Recover-Binary-Search-Tree
- 0100.Same-Tree
- 0101.Symmetric-Tree
- 0102.Binary-Tree-Level-Order-Traversal
- 0103.Binary-Tree-Zigzag-Level-Order-Traversal
- 0104.Maximum-Depth-of-Binary-Tree
- 0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal
- 0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal
- 0107.Binary-Tree-Level-Order-Traversal-II
- 0108.Convert-Sorted-Array-to-Binary-Search-Tree
- 0109.Convert-Sorted-List-to-Binary-Search-Tree
- 0110.Balanced-Binary-Tree
- 0111.Minimum-Depth-of-Binary-Tree
- 0112.Path-Sum
- 0113.Path-Sum-II
- 0114.Flatten-Binary-Tree-to-Linked-List
- 0118.Pascals-Triangle
- 0120.Triangle
- 0121.Best-Time-to-Buy-and-Sell-Stock
- 0122.Best-Time-to-Buy-and-Sell-Stock-II
- 0124.Binary-Tree-Maximum-Path-Sum
- 0125.Valid-Palindrome
- 0126.Word-Ladder-II
- 0127.Word-Ladder
- 0128.Longest-Consecutive-Sequence
- 0129.Sum-Root-to-Leaf-Numbers
- 0130.Surrounded-Regions
- 0131.Palindrome-Partitioning
- 0136.Single-Number
- 0137.Single-Number-II
- 0141.Linked-List-Cycle
- 0142.Linked-List-Cycle-II
- 0143.Reorder-List
- 0144.Binary-Tree-Preorder-Traversal
- 0145.Binary-Tree-Postorder-Traversal
- 0147.Insertion-Sort-List
- 0148.Sort-List
- 0150.Evaluate-Reverse-Polish-Notation
- 0151.Reverse-Words-in-a-String
- 0152.Maximum-Product-Subarray
- 0153.Find-Minimum-in-Rotated-Sorted-Array
- 0154.Find-Minimum-in-Rotated-Sorted-Array-II
- 0155.Min-Stack
- 0160.Intersection-of-Two-Linked-Lists
- 0162.Find-Peak-Element
- 0164.Maximum-Gap
- 0167.Two-Sum-II---Input-array-is-sorted
- 0168.Excel-Sheet-Column-Title
- 0169.Majority-Element
- 0171.Excel-Sheet-Column-Number
- 0172.Factorial-Trailing-Zeroes
- 0173.Binary-Search-Tree-Iterator
- 0174.Dungeon-Game
- 0179.Largest-Number
- 0187.Repeated-DNA-Sequences
- 0190.Reverse-Bits
- 0191.Number-of-1-Bits
- 0198.House-Robber
- 0199.Binary-Tree-Right-Side-View
- 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.Add-and-Search-Word---Data-structure-design
- 0212.Word-Search-II
- 0213.House-Robber-II
- 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
- 0222.Count-Complete-Tree-Nodes
- 0223.Rectangle-Area
- 0224.Basic-Calculator
- 0225.Implement-Stack-using-Queues
- 0226.Invert-Binary-Tree
- 0229.Majority-Element-II
- 0230.Kth-Smallest-Element-in-a-BST
- 0231.Power-of-Two
- 0232.Implement-Queue-using-Stacks
- 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
- 0239.Sliding-Window-Maximum
- 0240.Search-a-2D-Matrix-II
- 0242.Valid-Anagram
- 0257.Binary-Tree-Paths
- 0258.Add-Digits
- 0260.Single-Number-III
- 0263.Ugly-Number
- 0268.Missing-Number
- 0274.H-Index
- 0275.H-Index-II
- 0283.Move-Zeroes
- 0287.Find-the-Duplicate-Number
- 0290.Word-Pattern
- 0300.Longest-Increasing-Subsequence
- 0303.Range-Sum-Query---Immutable
- 0306.Additive-Number
- 0307.Range-Sum-Query---Mutable
- 0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown
- 0315.Count-of-Smaller-Numbers-After-Self
- 0318.Maximum-Product-of-Word-Lengths
- 0322.Coin-Change
- 0324.Wiggle-Sort-II
- 0326.Power-of-Three
- 0327.Count-of-Range-Sum
- 0328.Odd-Even-Linked-List
- 0329.Longest-Increasing-Path-in-a-Matrix
- 0331.Verify-Preorder-Serialization-of-a-Binary-Tree
- 0337.House-Robber-III
- 0338.Counting-Bits
- 0342.Power-of-Four
- 0343.Integer-Break
- 0344.Reverse-String
- 0345.Reverse-Vowels-of-a-String
- 0347.Top-K-Frequent-Elements
- 0349.Intersection-of-Two-Arrays
- 0350.Intersection-of-Two-Arrays-II
- 0354.Russian-Doll-Envelopes
- 0357.Count-Numbers-with-Unique-Digits
- 0367.Valid-Perfect-Square
- 0371.Sum-of-Two-Integers
- 0372.Super-Pow
- 0373.Find-K-Pairs-with-Smallest-Sums
- 0378.Kth-Smallest-Element-in-a-Sorted-Matrix
- 0385.Mini-Parser
- 0386.Lexicographical-Numbers
- 0387.First-Unique-Character-in-a-String
- 0389.Find-the-Difference
- 0392.Is-Subsequence
- 0393.UTF-8-Validation
- 0394.Decode-String
- 0397.Integer-Replacement
- 0399.Evaluate-Division
- 0401.Binary-Watch
- 0402.Remove-K-Digits
- 0404.Sum-of-Left-Leaves
- 0405.Convert-a-Number-to-Hexadecimal
- 0409.Longest-Palindrome
- 0410.Split-Array-Largest-Sum
- 0412.Fizz-Buzz
- 0414.Third-Maximum-Number
- 0416.Partition-Equal-Subset-Sum
- 0421.Maximum-XOR-of-Two-Numbers-in-an-Array
- 0424.Longest-Repeating-Character-Replacement
- 0433.Minimum-Genetic-Mutation
- 0435.Non-overlapping-Intervals
- 0436.Find-Right-Interval
- 0437.Path-Sum-III
- 0438.Find-All-Anagrams-in-a-String
- 0441.Arranging-Coins
- 0445.Add-Two-Numbers-II
- 0447.Number-of-Boomerangs
- 0448.Find-All-Numbers-Disappeared-in-an-Array
- 0451.Sort-Characters-By-Frequency
- 0453.Minimum-Moves-to-Equal-Array-Elements
- 0454.4Sum-II
- 0455.Assign-Cookies
- 0456.132-Pattern
- 0457.Circular-Array-Loop
- 0461.Hamming-Distance
- 0463.Island-Perimeter
- 0470.Implement-Rand10-Using-Rand7
- 0474.Ones-and-Zeroes
- 0475.Heaters
- 0476.Number-Complement
- 0477.Total-Hamming-Distance
- 0480.Sliding-Window-Median
- 0483.Smallest-Good-Base
- 0485.Max-Consecutive-Ones
- 0491.Increasing-Subsequences
- 0493.Reverse-Pairs
- 0494.Target-Sum
- 0496.Next-Greater-Element-I
- 0497.Random-Point-in-Non-overlapping-Rectangles
- 0498.Diagonal-Traverse
- 0500.Keyboard-Row
- 0503.Next-Greater-Element-II
- 0507.Perfect-Number
- 0508.Most-Frequent-Subtree-Sum
- 0509.Fibonacci-Number
- 0513.Find-Bottom-Left-Tree-Value
- 0515.Find-Largest-Value-in-Each-Tree-Row
- 0524.Longest-Word-in-Dictionary-through-Deleting
- 0526.Beautiful-Arrangement
- 0528.Random-Pick-with-Weight
- 0529.Minesweeper
- 0532.K-diff-Pairs-in-an-Array
- 0537.Complex-Number-Multiplication
- 0541.Reverse-String-II
- 0542.01-Matrix
- 0547.Friend-Circles
- 0557.Reverse-Words-in-a-String-III
- 0561.Array-Partition-I
- 0563.Binary-Tree-Tilt
- 0566.Reshape-the-Matrix
- 0567.Permutation-in-String
- 0572.Subtree-of-Another-Tree
- 0575.Distribute-Candies
- 0594.Longest-Harmonious-Subsequence
- 0598.Range-Addition-II
- 0599.Minimum-Index-Sum-of-Two-Lists
- 0628.Maximum-Product-of-Three-Numbers
- 0632.Smallest-Range-Covering-Elements-from-K-Lists
- 0633.Sum-of-Square-Numbers
- 0636.Exclusive-Time-of-Functions
- 0637.Average-of-Levels-in-Binary-Tree
- 0638.Shopping-Offers
- 0645.Set-Mismatch
- 0648.Replace-Words
- 0653.Two-Sum-IV---Input-is-a-BST
- 0658.Find-K-Closest-Elements
- 0661.Image-Smoother
- 0662.Maximum-Width-of-Binary-Tree
- 0668.Kth-Smallest-Number-in-Multiplication-Table
- 0676.Implement-Magic-Dictionary
- 0682.Baseball-Game
- 0684.Redundant-Connection
- 0685.Redundant-Connection-II
- 0693.Binary-Number-with-Alternating-Bits
- 0695.Max-Area-of-Island
- 0697.Degree-of-an-Array
- 0699.Falling-Squares
- 0704.Binary-Search
- 0705.Design-HashSet
- 0706.Design-HashMap
- 0707.Design-Linked-List
- 0710.Random-Pick-with-Blacklist
- 0713.Subarray-Product-Less-Than-K
- 0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee
- 0715.Range-Module
- 0717.1-bit-and-2-bit-Characters
- 0718.Maximum-Length-of-Repeated-Subarray
- 0719.Find-K-th-Smallest-Pair-Distance
- 0720.Longest-Word-in-Dictionary
- 0721.Accounts-Merge
- 0724.Find-Pivot-Index
- 0725.Split-Linked-List-in-Parts
- 0726.Number-of-Atoms
- 0729.My-Calendar-I
- 0732.My-Calendar-III
- 0733.Flood-Fill
- 0735.Asteroid-Collision
- 0739.Daily-Temperatures
- 0744.Find-Smallest-Letter-Greater-Than-Target
- 0745.Prefix-and-Suffix-Search
- 0746.Min-Cost-Climbing-Stairs
- 0748.Shortest-Completing-Word
- 0753.Cracking-the-Safe
- 0756.Pyramid-Transition-Matrix
- 0762.Prime-Number-of-Set-Bits-in-Binary-Representation
- 0763.Partition-Labels
- 0765.Couples-Holding-Hands
- 0766.Toeplitz-Matrix
- 0767.Reorganize-String
- 0771.Jewels-and-Stones
- 0778.Swim-in-Rising-Water
- 0781.Rabbits-in-Forest
- 0784.Letter-Case-Permutation
- 0786.K-th-Smallest-Prime-Fraction
- 0793.Preimage-Size-of-Factorial-Zeroes-Function
- 0802.Find-Eventual-Safe-States
- 0803.Bricks-Falling-When-Hit
- 0811.Subdomain-Visit-Count
- 0812.Largest-Triangle-Area
- 0815.Bus-Routes
- 0817.Linked-List-Components
- 0819.Most-Common-Word
- 0826.Most-Profit-Assigning-Work
- 0828.COPYRIGHT-PROBLEM-XXX
- 0832.Flipping-an-Image
- 0834.Sum-of-Distances-in-Tree
- 0836.Rectangle-Overlap
- 0838.Push-Dominoes
- 0839.Similar-String-Groups
- 0841.Keys-and-Rooms
- 0842.Split-Array-into-Fibonacci-Sequence
- 0844.Backspace-String-Compare
- 0845.Longest-Mountain-in-Array
- 0850.Rectangle-Area-II
- 0851.Loud-and-Rich
- 0852.Peak-Index-in-a-Mountain-Array
- 0853.Car-Fleet
- 0856.Score-of-Parentheses
- 0862.Shortest-Subarray-with-Sum-at-Least-K
- 0863.All-Nodes-Distance-K-in-Binary-Tree
- 0864.Shortest-Path-to-Get-All-Keys
- 0867.Transpose-Matrix
- 0872.Leaf-Similar-Trees
- 0875.Koko-Eating-Bananas
- 0876.Middle-of-the-Linked-List
- 0878.Nth-Magical-Number
- 0880.Decoded-String-at-Index
- 0881.Boats-to-Save-People
- 0884.Uncommon-Words-from-Two-Sentences
- 0885.Spiral-Matrix-III
- 0887.Super-Egg-Drop
- 0888.Fair-Candy-Swap
- 0891.Sum-of-Subsequence-Widths
- 0892.Surface-Area-of-3D-Shapes
- 0895.Maximum-Frequency-Stack
- 0896.Monotonic-Array
- 0897.Increasing-Order-Search-Tree
- 0898.Bitwise-ORs-of-Subarrays
- 0901.Online-Stock-Span
- 0904.Fruit-Into-Baskets
- 0907.Sum-of-Subarray-Minimums
- 0911.Online-Election
- 0914.X-of-a-Kind-in-a-Deck-of-Cards
- 0918.Maximum-Sum-Circular-Subarray
- 0920.Number-of-Music-Playlists
- 0921.Minimum-Add-to-Make-Parentheses-Valid
- 0922.Sort-Array-By-Parity-II
- 0923.3Sum-With-Multiplicity
- 0924.Minimize-Malware-Spread
- 0925.Long-Pressed-Name
- 0927.Three-Equal-Parts
- 0928.Minimize-Malware-Spread-II
- 0930.Binary-Subarrays-With-Sum
- 0933.Number-of-Recent-Calls
- 0942.DI-String-Match
- 0946.Validate-Stack-Sequences
- 0947.Most-Stones-Removed-with-Same-Row-or-Column
- 0949.Largest-Time-for-Given-Digits
- 0952.Largest-Component-Size-by-Common-Factor
- 0953.Verifying-an-Alien-Dictionary
- 0959.Regions-Cut-By-Slashes
- 0961.N-Repeated-Element-in-Size-2N-Array
- 0968.Binary-Tree-Cameras
- 0969.Pancake-Sorting
- 0970.Powerful-Integers
- 0973.K-Closest-Points-to-Origin
- 0976.Largest-Perimeter-Triangle
- 0977.Squares-of-a-Sorted-Array
- 0978.Longest-Turbulent-Subarray
- 0979.Distribute-Coins-in-Binary-Tree
- 0980.Unique-Paths-III
- 0981.Time-Based-Key-Value-Store
- 0984.String-Without-AAA-or-BBB
- 0985.Sum-of-Even-Numbers-After-Queries
- 0986.Interval-List-Intersections
- 0990.Satisfiability-of-Equality-Equations
- 0992.Subarrays-with-K-Different-Integers
- 0993.Cousins-in-Binary-Tree
- 0995.Minimum-Number-of-K-Consecutive-Bit-Flips
- 0996.Number-of-Squareful-Arrays
- 0999.Available-Captures-for-Rook
- 1002.Find-Common-Characters
- 1003.Check-If-Word-Is-Valid-After-Substitutions
- 1004.Max-Consecutive-Ones-III
- 1005.Maximize-Sum-Of-Array-After-K-Negations
- 1011.Capacity-To-Ship-Packages-Within-D-Days
- 1017.Convert-to-Base--2
- 1019.Next-Greater-Node-In-Linked-List
- 1020.Number-of-Enclaves
- 1021.Remove-Outermost-Parentheses
- 1025.Divisor-Game
- 1026.Maximum-Difference-Between-Node-and-Ancestor
- 1028.Recover-a-Tree-From-Preorder-Traversal
- 1030.Matrix-Cells-in-Distance-Order
- 1037.Valid-Boomerang
- 1040.Moving-Stones-Until-Consecutive-II
- 1047.Remove-All-Adjacent-Duplicates-In-String
- 1049.Last-Stone-Weight-II
- 1051.Height-Checker
- 1052.Grumpy-Bookstore-Owner
- 1054.Distant-Barcodes
- 1073.Adding-Two-Negabinary-Numbers
- 1074.Number-of-Submatrices-That-Sum-to-Target
- 1078.Occurrences-After-Bigram
- 1079.Letter-Tile-Possibilities
- 1089.Duplicate-Zeros
- 1093.Statistics-from-a-Large-Sample
- 1105.Filling-Bookcase-Shelves
- 1108.Defanging-an-IP-Address
- 1110.Delete-Nodes-And-Return-Forest
- 1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings
- 1122.Relative-Sort-Array
- 1123.Lowest-Common-Ancestor-of-Deepest-Leaves
- 1128.Number-of-Equivalent-Domino-Pairs
- 1137.N-th-Tribonacci-Number
- 1145.Binary-Tree-Coloring-Game
- 1154.Day-of-the-Year
- 1157.Online-Majority-Element-In-Subarray
- 1160.Find-Words-That-Can-Be-Formed-by-Characters
- 1170.Compare-Strings-by-Frequency-of-the-Smallest-Character
- 1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List
- 1175.Prime-Arrangements
- 1184.Distance-Between-Bus-Stops
- 1185.Day-of-the-Week
- 1189.Maximum-Number-of-Balloons
- 1200.Minimum-Absolute-Difference
- 1201.Ugly-Number-III
- 1202.Smallest-String-With-Swaps
- 1207.Unique-Number-of-Occurrences
- 1208.Get-Equal-Substrings-Within-Budget
- 1217.Play-with-Chips
- 1221.Split-a-String-in-Balanced-Strings
- 1232.Check-If-It-Is-a-Straight-Line
- 1234.Replace-the-Substring-for-Balanced-String
- 1235.Maximum-Profit-in-Job-Scheduling
- 1252.Cells-with-Odd-Values-in-a-Matrix
- 1254.Number-of-Closed-Islands
- 1260.Shift-2D-Grid
- 1266.Minimum-Time-Visiting-All-Points
- 1275.Find-Winner-on-a-Tic-Tac-Toe-Game
- 1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer
- 1283.Find-the-Smallest-Divisor-Given-a-Threshold
- 1287.Element-Appearing-More-Than-In-Sorted-Array
- 1290.Convert-Binary-Number-in-a-Linked-List-to-Integer
- 1295.Find-Numbers-with-Even-Number-of-Digits
- 1299.Replace-Elements-with-Greatest-Element-on-Right-Side
- 1300.Sum-of-Mutated-Array-Closest-to-Target
- 1302.Deepest-Leaves-Sum
- 1304.Find-N-Unique-Integers-Sum-up-to-Zero
- 1305.All-Elements-in-Two-Binary-Search-Trees
- 1306.Jump-Game-III
- 1313.Decompress-Run-Length-Encoded-List
- 1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers
- 1380.Lucky-Numbers-in-a-Matrix
- 1385.Find-the-Distance-Value-Between-Two-Arrays
- 1389.Create-Target-Array-in-the-Given-Order
- 1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence
- 1464.Maximum-Product-of-Two-Elements-in-an-Array
- 1470.Shuffle-the-Array
- 9990085.Maximal-Rectangle
- 9990132.Palindrome-Partitioning-II
- 9990316.Remove-Duplicate-Letters
- 9990352.Data-Stream-as-Disjoint-Intervals
- 9990363.Max-Sum-of-Rectangle-No-Larger-Than-K
- 9990377.Combination-Sum-IV
- 9990975.Odd-Even-Jump
- 9991044.Longest-Duplicate-Substring
- 9991292.Maximum-Side-Length-of-a-Square-with-Sum-Less-than-or-Equal-to-Threshold
note
structures
template
topic
website
.travis.yml
LICENSE
README.md
gotest.sh
logo.png

leetcode

halfrost

Merge pull request halfrost#61 from xxgail/patch-1

Aug 28, 2020

2363839 · Aug 28, 2020

History

This branch is 1112 commits behind halfrost/LeetCode-Go:master.

Name	Name	Last commit message	Last commit date
parent directory ..
0001.Two-Sum	0001.Two-Sum	optimization code level from A to A+	Aug 26, 2020
0002.Add-Two-Numbers	0002.Add-Two-Numbers	optimization code level from A to A+	Aug 26, 2020
0003.Longest-Substring-Without-Repeating-Characters	0003.Longest-Substring-Without-Repeating-Characters	optimization code level from A to A+	Aug 26, 2020
0004.Median-of-Two-Sorted-Arrays	0004.Median-of-Two-Sorted-Arrays	optimization code level from A to A+	Aug 26, 2020
0007.Reverse-Integer	0007.Reverse-Integer	optimization code level from A to A+	Aug 26, 2020
0009.Palindrome-Number	0009.Palindrome-Number	optimization code level from A to A+	Aug 26, 2020
0011.Container-With-Most-Water	0011.Container-With-Most-Water	optimization code level from A to A+	Aug 26, 2020
0013.Roman-to-Integer	0013.Roman-to-Integer	optimization code level from A to A+	Aug 26, 2020
0015.3Sum	0015.3Sum	optimization code level from A to A+	Aug 26, 2020
0016.3Sum-Closest	0016.3Sum-Closest	optimization code level from A to A+	Aug 26, 2020
0017.Letter-Combinations-of-a-Phone-Number	0017.Letter-Combinations-of-a-Phone-Number	Merge pull request halfrost#61 from xxgail/patch-1	Aug 28, 2020
0018.4Sum	0018.4Sum	optimization code level from A to A+	Aug 26, 2020
0019.Remove-Nth-Node-From-End-of-List	0019.Remove-Nth-Node-From-End-of-List	optimization code level from A to A+	Aug 26, 2020
0020.Valid-Parentheses	0020.Valid-Parentheses	optimization code level from A to A+	Aug 26, 2020
0021.Merge-Two-Sorted-Lists	0021.Merge-Two-Sorted-Lists	optimization code level from A to A+	Aug 26, 2020
0022.Generate-Parentheses	0022.Generate-Parentheses	optimization code level from A to A+	Aug 26, 2020
0023.Merge-k-Sorted-Lists	0023.Merge-k-Sorted-Lists	optimization code level from A to A+	Aug 26, 2020
0024.Swap-Nodes-in-Pairs	0024.Swap-Nodes-in-Pairs	optimization code level from A to A+	Aug 26, 2020
0025.Reverse-Nodes-in-k-Group	0025.Reverse-Nodes-in-k-Group	optimization code level from A to A+	Aug 26, 2020
0026.Remove-Duplicates-from-Sorted-Array	0026.Remove-Duplicates-from-Sorted-Array	optimization code level from A to A+	Aug 26, 2020
0027.Remove-Element	0027.Remove-Element	optimization code level from A to A+	Aug 26, 2020
0028.Implement-strStr	0028.Implement-strStr	optimization code level from A to A+	Aug 26, 2020
0029.Divide-Two-Integers	0029.Divide-Two-Integers	optimization code level from A to A+	Aug 26, 2020
0030.Substring-with-Concatenation-of-All-Words	0030.Substring-with-Concatenation-of-All-Words	optimization code level from A to A+	Aug 26, 2020
0033.Search-in-Rotated-Sorted-Array	0033.Search-in-Rotated-Sorted-Array	optimization code level from A to A+	Aug 26, 2020
0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array	0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array	optimization code level from A to A+	Aug 26, 2020
0035.Search-Insert-Position	0035.Search-Insert-Position	optimization code level from A to A+	Aug 26, 2020
0036.Valid-Sudoku	0036.Valid-Sudoku	optimization code level from A to A+	Aug 26, 2020
0037.Sudoku-Solver	0037.Sudoku-Solver	optimization code level from A to A+	Aug 26, 2020
0039.Combination-Sum	0039.Combination-Sum	optimization code level from A to A+	Aug 26, 2020
0040.Combination-Sum-II	0040.Combination-Sum-II	optimization code level from A to A+	Aug 26, 2020
0041.First-Missing-Positive	0041.First-Missing-Positive	optimization code level from A to A+	Aug 26, 2020
0042.Trapping-Rain-Water	0042.Trapping-Rain-Water	optimization code level from A to A+	Aug 26, 2020
0046.Permutations	0046.Permutations	optimization code level from A to A+	Aug 26, 2020
0047.Permutations-II	0047.Permutations-II	optimization code level from A to A+	Aug 26, 2020
0048.Rotate-Image	0048.Rotate-Image	optimization code level from A to A+	Aug 26, 2020
0049.Group-Anagrams	0049.Group-Anagrams	optimization code level from A to A+	Aug 26, 2020
0050.Powx-n	0050.Powx-n	optimization code level from A to A+	Aug 26, 2020
0051.N-Queens	0051.N-Queens	optimization code level from A to A+	Aug 26, 2020
0052.N-Queens-II	0052.N-Queens-II	optimization code level from A to A+	Aug 26, 2020
0053.Maximum-Subarray	0053.Maximum-Subarray	optimization code level from A to A+	Aug 26, 2020
0054.Spiral-Matrix	0054.Spiral-Matrix	optimization code level from A to A+	Aug 26, 2020
0055.Jump-Game	0055.Jump-Game	optimization code level from A to A+	Aug 26, 2020
0056.Merge-Intervals	0056.Merge-Intervals	optimization code level from A to A+	Aug 26, 2020
0057.Insert-Interval	0057.Insert-Interval	optimization code level from A to A+	Aug 26, 2020
0059.Spiral-Matrix-II	0059.Spiral-Matrix-II	optimization code level from A to A+	Aug 26, 2020
0060.Permutation-Sequence	0060.Permutation-Sequence	optimization code level from A to A+	Aug 26, 2020
0061.Rotate-List	0061.Rotate-List	optimization code level from A to A+	Aug 26, 2020
0062.Unique-Paths	0062.Unique-Paths	optimization code level from A to A+	Aug 26, 2020
0063.Unique-Paths-II	0063.Unique-Paths-II	optimization code level from A to A+	Aug 26, 2020
0064.Minimum-Path-Sum	0064.Minimum-Path-Sum	optimization code level from A to A+	Aug 26, 2020
0066.Plus-One	0066.Plus-One	optimization code level from A to A+	Aug 26, 2020
0067.Add-Binary	0067.Add-Binary	optimization code level from A to A+	Aug 26, 2020
0069.Sqrtx	0069.Sqrtx	optimization code level from A to A+	Aug 26, 2020
0070.Climbing-Stairs	0070.Climbing-Stairs	optimization code level from A to A+	Aug 26, 2020
0071.Simplify-Path	0071.Simplify-Path	optimization code level from A to A+	Aug 26, 2020
0074.Search-a-2D-Matrix	0074.Search-a-2D-Matrix	optimization code level from A to A+	Aug 26, 2020
0075.Sort-Colors	0075.Sort-Colors	optimization code level from A to A+	Aug 26, 2020
0076.Minimum-Window-Substring	0076.Minimum-Window-Substring	optimization code level from A to A+	Aug 26, 2020
0077.Combinations	0077.Combinations	optimization code level from A to A+	Aug 26, 2020
0078.Subsets	0078.Subsets	optimization code level from A to A+	Aug 26, 2020
0079.Word-Search	0079.Word-Search	optimization code level from A to A+	Aug 26, 2020
0080.Remove-Duplicates-from-Sorted-Array-II	0080.Remove-Duplicates-from-Sorted-Array-II	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0081.Search-in-Rotated-Sorted-Array-II	0081.Search-in-Rotated-Sorted-Array-II	optimization code level from A to A+	Aug 26, 2020
0082.Remove-Duplicates-from-Sorted-List-II	0082.Remove-Duplicates-from-Sorted-List-II	optimization code level from A to A+	Aug 26, 2020
0083.Remove-Duplicates-from-Sorted-List	0083.Remove-Duplicates-from-Sorted-List	optimization code level from A to A+	Aug 26, 2020
0084.Largest-Rectangle-in-Histogram	0084.Largest-Rectangle-in-Histogram	optimization code level from A to A+	Aug 26, 2020
0086.Partition-List	0086.Partition-List	optimization code level from A to A+	Aug 26, 2020
0088.Merge-Sorted-Array	0088.Merge-Sorted-Array	optimization code level from A to A+	Aug 26, 2020
0089.Gray-Code	0089.Gray-Code	optimization code level from A to A+	Aug 26, 2020
0090.Subsets-II	0090.Subsets-II	optimization code level from A to A+	Aug 26, 2020
0091.Decode-Ways	0091.Decode-Ways	optimization code level from A to A+	Aug 26, 2020
0092.Reverse-Linked-List-II	0092.Reverse-Linked-List-II	optimization code level from A to A+	Aug 26, 2020
0093.Restore-IP-Addresses	0093.Restore-IP-Addresses	optimization code level from A to A+	Aug 26, 2020
0094.Binary-Tree-Inorder-Traversal	0094.Binary-Tree-Inorder-Traversal	optimization code level from A to A+	Aug 26, 2020
0095.Unique-Binary-Search-Trees-II	0095.Unique-Binary-Search-Trees-II	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0096.Unique-Binary-Search-Trees	0096.Unique-Binary-Search-Trees	optimization code level from A to A+	Aug 26, 2020
0098.Validate-Binary-Search-Tree	0098.Validate-Binary-Search-Tree	optimization code level from A to A+	Aug 26, 2020
0099.Recover-Binary-Search-Tree	0099.Recover-Binary-Search-Tree	optimization code level from A to A+	Aug 26, 2020
0100.Same-Tree	0100.Same-Tree	optimization code level from A to A+	Aug 26, 2020
0101.Symmetric-Tree	0101.Symmetric-Tree	optimization code level from A to A+	Aug 26, 2020
0102.Binary-Tree-Level-Order-Traversal	0102.Binary-Tree-Level-Order-Traversal	optimization code level from A to A+	Aug 26, 2020
0103.Binary-Tree-Zigzag-Level-Order-Traversal	0103.Binary-Tree-Zigzag-Level-Order-Traversal	optimization code level from A to A+	Aug 26, 2020
0104.Maximum-Depth-of-Binary-Tree	0104.Maximum-Depth-of-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal	0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal	optimization code level from A to A+	Aug 26, 2020
0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal	0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal	optimization code level from A to A+	Aug 26, 2020
0107.Binary-Tree-Level-Order-Traversal-II	0107.Binary-Tree-Level-Order-Traversal-II	optimization code level from A to A+	Aug 26, 2020
0108.Convert-Sorted-Array-to-Binary-Search-Tree	0108.Convert-Sorted-Array-to-Binary-Search-Tree	optimization code level from A to A+	Aug 26, 2020
0109.Convert-Sorted-List-to-Binary-Search-Tree	0109.Convert-Sorted-List-to-Binary-Search-Tree	optimization code level from A to A+	Aug 26, 2020
0110.Balanced-Binary-Tree	0110.Balanced-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0111.Minimum-Depth-of-Binary-Tree	0111.Minimum-Depth-of-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0112.Path-Sum	0112.Path-Sum	optimization code level from A to A+	Aug 26, 2020
0113.Path-Sum-II	0113.Path-Sum-II	optimization code level from A to A+	Aug 26, 2020
0114.Flatten-Binary-Tree-to-Linked-List	0114.Flatten-Binary-Tree-to-Linked-List	optimization code level from A to A+	Aug 26, 2020
0118.Pascals-Triangle	0118.Pascals-Triangle	optimization code level from A to A+	Aug 26, 2020
0120.Triangle	0120.Triangle	optimization code level from A to A+	Aug 26, 2020
0121.Best-Time-to-Buy-and-Sell-Stock	0121.Best-Time-to-Buy-and-Sell-Stock	optimization code level from A to A+	Aug 26, 2020
0122.Best-Time-to-Buy-and-Sell-Stock-II	0122.Best-Time-to-Buy-and-Sell-Stock-II	optimization code level from A to A+	Aug 26, 2020
0124.Binary-Tree-Maximum-Path-Sum	0124.Binary-Tree-Maximum-Path-Sum	optimization code level from A to A+	Aug 26, 2020
0125.Valid-Palindrome	0125.Valid-Palindrome	规范格式	Aug 7, 2020
0126.Word-Ladder-II	0126.Word-Ladder-II	optimization code level from A to A+	Aug 26, 2020
0127.Word-Ladder	0127.Word-Ladder	optimization code level from A to A+	Aug 26, 2020
0128.Longest-Consecutive-Sequence	0128.Longest-Consecutive-Sequence	optimization code level from A to A+	Aug 26, 2020
0129.Sum-Root-to-Leaf-Numbers	0129.Sum-Root-to-Leaf-Numbers	optimization code level from A to A+	Aug 26, 2020
0130.Surrounded-Regions	0130.Surrounded-Regions	optimization code level from A to A+	Aug 26, 2020
0131.Palindrome-Partitioning	0131.Palindrome-Partitioning	optimization code level from A to A+	Aug 26, 2020
0136.Single-Number	0136.Single-Number	optimization code level from A to A+	Aug 26, 2020
0137.Single-Number-II	0137.Single-Number-II	optimization code level from A to A+	Aug 26, 2020
0141.Linked-List-Cycle	0141.Linked-List-Cycle	规范格式	Aug 7, 2020
0142.Linked-List-Cycle-II	0142.Linked-List-Cycle-II	规范格式	Aug 7, 2020
0143.Reorder-List	0143.Reorder-List	optimization code level from A to A+	Aug 26, 2020
0144.Binary-Tree-Preorder-Traversal	0144.Binary-Tree-Preorder-Traversal	optimization code level from A to A+	Aug 26, 2020
0145.Binary-Tree-Postorder-Traversal	0145.Binary-Tree-Postorder-Traversal	optimization code level from A to A+	Aug 26, 2020
0147.Insertion-Sort-List	0147.Insertion-Sort-List	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0148.Sort-List	0148.Sort-List	optimization code level from A to A+	Aug 26, 2020
0150.Evaluate-Reverse-Polish-Notation	0150.Evaluate-Reverse-Polish-Notation	optimization code level from A to A+	Aug 26, 2020
0151.Reverse-Words-in-a-String	0151.Reverse-Words-in-a-String	optimization code level from A to A+	Aug 26, 2020
0152.Maximum-Product-Subarray	0152.Maximum-Product-Subarray	optimization code level from A to A+	Aug 26, 2020
0153.Find-Minimum-in-Rotated-Sorted-Array	0153.Find-Minimum-in-Rotated-Sorted-Array	optimization code level from A to A+	Aug 26, 2020
0154.Find-Minimum-in-Rotated-Sorted-Array-II	0154.Find-Minimum-in-Rotated-Sorted-Array-II	optimization code level from A to A+	Aug 26, 2020
0155.Min-Stack	0155.Min-Stack	规范格式	Aug 7, 2020
0160.Intersection-of-Two-Linked-Lists	0160.Intersection-of-Two-Linked-Lists	optimization code level from A to A+	Aug 26, 2020
0162.Find-Peak-Element	0162.Find-Peak-Element	optimization code level from A to A+	Aug 26, 2020
0164.Maximum-Gap	0164.Maximum-Gap	optimization code level from A to A+	Aug 26, 2020
0167.Two-Sum-II---Input-array-is-sorted	0167.Two-Sum-II---Input-array-is-sorted	optimization code level from A to A+	Aug 26, 2020
0168.Excel-Sheet-Column-Title	0168.Excel-Sheet-Column-Title	optimization code level from A to A+	Aug 26, 2020
0169.Majority-Element	0169.Majority-Element	optimization code level from A to A+	Aug 26, 2020
0171.Excel-Sheet-Column-Number	0171.Excel-Sheet-Column-Number	optimization code level from A to A+	Aug 26, 2020
0172.Factorial-Trailing-Zeroes	0172.Factorial-Trailing-Zeroes	optimization code level from A to A+	Aug 26, 2020
0173.Binary-Search-Tree-Iterator	0173.Binary-Search-Tree-Iterator	规范格式	Aug 7, 2020
0174.Dungeon-Game	0174.Dungeon-Game	optimization code level from A to A+	Aug 26, 2020
0179.Largest-Number	0179.Largest-Number	optimization code level from A to A+	Aug 26, 2020
0187.Repeated-DNA-Sequences	0187.Repeated-DNA-Sequences	optimization code level from A to A+	Aug 26, 2020
0190.Reverse-Bits	0190.Reverse-Bits	optimization code level from A to A+	Aug 26, 2020
0191.Number-of-1-Bits	0191.Number-of-1-Bits	optimization code level from A to A+	Aug 26, 2020
0198.House-Robber	0198.House-Robber	optimization code level from A to A+	Aug 26, 2020
0199.Binary-Tree-Right-Side-View	0199.Binary-Tree-Right-Side-View	optimization code level from A to A+	Aug 26, 2020
0200.Number-of-Islands	0200.Number-of-Islands	optimization code level from A to A+	Aug 26, 2020
0201.Bitwise-AND-of-Numbers-Range	0201.Bitwise-AND-of-Numbers-Range	optimization code level from A to A+	Aug 26, 2020
0202.Happy-Number	0202.Happy-Number	optimization code level from A to A+	Aug 26, 2020
0203.Remove-Linked-List-Elements	0203.Remove-Linked-List-Elements	optimization code level from A to A+	Aug 26, 2020
0204.Count-Primes	0204.Count-Primes	optimization code level from A to A+	Aug 26, 2020
0205.Isomorphic-Strings	0205.Isomorphic-Strings	optimization code level from A to A+	Aug 26, 2020
0206.Reverse-Linked-List	0206.Reverse-Linked-List	optimization code level from A to A+	Aug 26, 2020
0207.Course-Schedule	0207.Course-Schedule	optimization code level from A to A+	Aug 26, 2020
0208.Implement-Trie-Prefix-Tree	0208.Implement-Trie-Prefix-Tree	规范格式	Aug 7, 2020
0209.Minimum-Size-Subarray-Sum	0209.Minimum-Size-Subarray-Sum	optimization code level from A to A+	Aug 26, 2020
0210.Course-Schedule-II	0210.Course-Schedule-II	optimization code level from A to A+	Aug 26, 2020
0211.Add-and-Search-Word---Data-structure-design	0211.Add-and-Search-Word---Data-structure-design	规范格式	Aug 7, 2020
0212.Word-Search-II	0212.Word-Search-II	optimization code level from A to A+	Aug 26, 2020
0213.House-Robber-II	0213.House-Robber-II	optimization code level from A to A+	Aug 26, 2020
0215.Kth-Largest-Element-in-an-Array	0215.Kth-Largest-Element-in-an-Array	optimization code level from A to A+	Aug 26, 2020
0216.Combination-Sum-III	0216.Combination-Sum-III	optimization code level from A to A+	Aug 26, 2020
0217.Contains-Duplicate	0217.Contains-Duplicate	optimization code level from A to A+	Aug 26, 2020
0218.The-Skyline-Problem	0218.The-Skyline-Problem	optimization code level from A to A+	Aug 26, 2020
0219.Contains-Duplicate-II	0219.Contains-Duplicate-II	optimization code level from A to A+	Aug 26, 2020
0220.Contains-Duplicate-III	0220.Contains-Duplicate-III	optimization code level from A to A+	Aug 26, 2020
0222.Count-Complete-Tree-Nodes	0222.Count-Complete-Tree-Nodes	optimization code level from A to A+	Aug 26, 2020
0223.Rectangle-Area	0223.Rectangle-Area	optimization code level from A to A+	Aug 26, 2020
0224.Basic-Calculator	0224.Basic-Calculator	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0225.Implement-Stack-using-Queues	0225.Implement-Stack-using-Queues	规范格式	Aug 7, 2020
0226.Invert-Binary-Tree	0226.Invert-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0229.Majority-Element-II	0229.Majority-Element-II	optimization code level from A to A+	Aug 26, 2020
0230.Kth-Smallest-Element-in-a-BST	0230.Kth-Smallest-Element-in-a-BST	optimization code level from A to A+	Aug 26, 2020
0231.Power-of-Two	0231.Power-of-Two	optimization code level from A to A+	Aug 26, 2020
0232.Implement-Queue-using-Stacks	0232.Implement-Queue-using-Stacks	规范格式	Aug 7, 2020
0234.Palindrome-Linked-List	0234.Palindrome-Linked-List	optimization code level from A to A+	Aug 26, 2020
0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree	0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree	optimization code level from A to A+	Aug 26, 2020
0236.Lowest-Common-Ancestor-of-a-Binary-Tree	0236.Lowest-Common-Ancestor-of-a-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0237.Delete-Node-in-a-Linked-List	0237.Delete-Node-in-a-Linked-List	optimization code level from A to A+	Aug 26, 2020
0239.Sliding-Window-Maximum	0239.Sliding-Window-Maximum	optimization code level from A to A+	Aug 26, 2020
0240.Search-a-2D-Matrix-II	0240.Search-a-2D-Matrix-II	optimization code level from A to A+	Aug 26, 2020
0242.Valid-Anagram	0242.Valid-Anagram	optimization code level from A to A+	Aug 26, 2020
0257.Binary-Tree-Paths	0257.Binary-Tree-Paths	optimization code level from A to A+	Aug 26, 2020
0258.Add-Digits	0258.Add-Digits	optimization code level from A to A+	Aug 26, 2020
0260.Single-Number-III	0260.Single-Number-III	optimization code level from A to A+	Aug 26, 2020
0263.Ugly-Number	0263.Ugly-Number	optimization code level from A to A+	Aug 26, 2020
0268.Missing-Number	0268.Missing-Number	optimization code level from A to A+	Aug 26, 2020
0274.H-Index	0274.H-Index	optimization code level from A to A+	Aug 26, 2020
0275.H-Index-II	0275.H-Index-II	optimization code level from A to A+	Aug 26, 2020
0283.Move-Zeroes	0283.Move-Zeroes	optimization code level from A to A+	Aug 26, 2020
0287.Find-the-Duplicate-Number	0287.Find-the-Duplicate-Number	optimization code level from A to A+	Aug 26, 2020
0290.Word-Pattern	0290.Word-Pattern	optimization code level from A to A+	Aug 26, 2020
0300.Longest-Increasing-Subsequence	0300.Longest-Increasing-Subsequence	optimization code level from A to A+	Aug 26, 2020
0303.Range-Sum-Query---Immutable	0303.Range-Sum-Query---Immutable	添加内容	Aug 8, 2020
0306.Additive-Number	0306.Additive-Number	optimization code level from A to A+	Aug 26, 2020
0307.Range-Sum-Query---Mutable	0307.Range-Sum-Query---Mutable	添加内容	Aug 8, 2020
0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown	0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown	optimization code level from A to A+	Aug 26, 2020
0315.Count-of-Smaller-Numbers-After-Self	0315.Count-of-Smaller-Numbers-After-Self	optimization code level from A to A+	Aug 26, 2020
0318.Maximum-Product-of-Word-Lengths	0318.Maximum-Product-of-Word-Lengths	optimization code level from A to A+	Aug 26, 2020
0322.Coin-Change	0322.Coin-Change	optimization code level from A to A+	Aug 26, 2020
0324.Wiggle-Sort-II	0324.Wiggle-Sort-II	optimization code level from A to A+	Aug 26, 2020
0326.Power-of-Three	0326.Power-of-Three	optimization code level from A to A+	Aug 26, 2020
0327.Count-of-Range-Sum	0327.Count-of-Range-Sum	optimization code level from A to A+	Aug 26, 2020
0328.Odd-Even-Linked-List	0328.Odd-Even-Linked-List	optimization code level from A to A+	Aug 26, 2020
0329.Longest-Increasing-Path-in-a-Matrix	0329.Longest-Increasing-Path-in-a-Matrix	optimization code level from A to A+	Aug 26, 2020
0331.Verify-Preorder-Serialization-of-a-Binary-Tree	0331.Verify-Preorder-Serialization-of-a-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0337.House-Robber-III	0337.House-Robber-III	optimization code level from A to A+	Aug 26, 2020
0338.Counting-Bits	0338.Counting-Bits	optimization code level from A to A+	Aug 26, 2020
0342.Power-of-Four	0342.Power-of-Four	optimization code level from A to A+	Aug 26, 2020
0343.Integer-Break	0343.Integer-Break	optimization code level from A to A+	Aug 26, 2020
0344.Reverse-String	0344.Reverse-String	optimization code level from A to A+	Aug 26, 2020
0345.Reverse-Vowels-of-a-String	0345.Reverse-Vowels-of-a-String	optimization code level from A to A+	Aug 26, 2020
0347.Top-K-Frequent-Elements	0347.Top-K-Frequent-Elements	optimization code level from A to A+	Aug 26, 2020
0349.Intersection-of-Two-Arrays	0349.Intersection-of-Two-Arrays	optimization code level from A to A+	Aug 26, 2020
0350.Intersection-of-Two-Arrays-II	0350.Intersection-of-Two-Arrays-II	optimization code level from A to A+	Aug 26, 2020
0354.Russian-Doll-Envelopes	0354.Russian-Doll-Envelopes	optimization code level from A to A+	Aug 26, 2020
0357.Count-Numbers-with-Unique-Digits	0357.Count-Numbers-with-Unique-Digits	optimization code level from A to A+	Aug 26, 2020
0367.Valid-Perfect-Square	0367.Valid-Perfect-Square	optimization code level from A to A+	Aug 26, 2020
0371.Sum-of-Two-Integers	0371.Sum-of-Two-Integers	optimization code level from A to A+	Aug 26, 2020
0372.Super-Pow	0372.Super-Pow	optimization code level from A to A+	Aug 26, 2020
0373.Find-K-Pairs-with-Smallest-Sums	0373.Find-K-Pairs-with-Smallest-Sums	optimization code level from A to A+	Aug 26, 2020
0378.Kth-Smallest-Element-in-a-Sorted-Matrix	0378.Kth-Smallest-Element-in-a-Sorted-Matrix	optimization code level from A to A+	Aug 26, 2020
0385.Mini-Parser	0385.Mini-Parser	optimization code level from A to A+	Aug 26, 2020
0386.Lexicographical-Numbers	0386.Lexicographical-Numbers	optimization code level from A to A+	Aug 26, 2020
0387.First-Unique-Character-in-a-String	0387.First-Unique-Character-in-a-String	optimization code level from A to A+	Aug 26, 2020
0389.Find-the-Difference	0389.Find-the-Difference	optimization code level from A to A+	Aug 26, 2020
0392.Is-Subsequence	0392.Is-Subsequence	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0393.UTF-8-Validation	0393.UTF-8-Validation	optimization code level from A to A+	Aug 26, 2020
0394.Decode-String	0394.Decode-String	optimization code level from A to A+	Aug 26, 2020
0397.Integer-Replacement	0397.Integer-Replacement	optimization code level from A to A+	Aug 26, 2020
0399.Evaluate-Division	0399.Evaluate-Division	optimization code level from A to A+	Aug 26, 2020
0401.Binary-Watch	0401.Binary-Watch	optimization code level from A to A+	Aug 26, 2020
0402.Remove-K-Digits	0402.Remove-K-Digits	optimization code level from A to A+	Aug 26, 2020
0404.Sum-of-Left-Leaves	0404.Sum-of-Left-Leaves	optimization code level from A to A+	Aug 26, 2020
0405.Convert-a-Number-to-Hexadecimal	0405.Convert-a-Number-to-Hexadecimal	optimization code level from A to A+	Aug 26, 2020
0409.Longest-Palindrome	0409.Longest-Palindrome	optimization code level from A to A+	Aug 26, 2020
0410.Split-Array-Largest-Sum	0410.Split-Array-Largest-Sum	optimization code level from A to A+	Aug 26, 2020
0412.Fizz-Buzz	0412.Fizz-Buzz	规范格式	Aug 7, 2020
0414.Third-Maximum-Number	0414.Third-Maximum-Number	optimization code level from A to A+	Aug 26, 2020
0416.Partition-Equal-Subset-Sum	0416.Partition-Equal-Subset-Sum	optimization code level from A to A+	Aug 26, 2020
0421.Maximum-XOR-of-Two-Numbers-in-an-Array	0421.Maximum-XOR-of-Two-Numbers-in-an-Array	optimization code level from A to A+	Aug 26, 2020
0424.Longest-Repeating-Character-Replacement	0424.Longest-Repeating-Character-Replacement	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0433.Minimum-Genetic-Mutation	0433.Minimum-Genetic-Mutation	optimization code level from A to A+	Aug 26, 2020
0435.Non-overlapping-Intervals	0435.Non-overlapping-Intervals	optimization code level from A to A+	Aug 26, 2020
0436.Find-Right-Interval	0436.Find-Right-Interval	optimization code level from A to A+	Aug 26, 2020
0437.Path-Sum-III	0437.Path-Sum-III	optimization code level from A to A+	Aug 26, 2020
0438.Find-All-Anagrams-in-a-String	0438.Find-All-Anagrams-in-a-String	optimization code level from A to A+	Aug 26, 2020
0441.Arranging-Coins	0441.Arranging-Coins	optimization code level from A to A+	Aug 26, 2020
0445.Add-Two-Numbers-II	0445.Add-Two-Numbers-II	optimization code level from A to A+	Aug 26, 2020
0447.Number-of-Boomerangs	0447.Number-of-Boomerangs	optimization code level from A to A+	Aug 26, 2020
0448.Find-All-Numbers-Disappeared-in-an-Array	0448.Find-All-Numbers-Disappeared-in-an-Array	optimization code level from A to A+	Aug 26, 2020
0451.Sort-Characters-By-Frequency	0451.Sort-Characters-By-Frequency	optimization code level from A to A+	Aug 26, 2020
0453.Minimum-Moves-to-Equal-Array-Elements	0453.Minimum-Moves-to-Equal-Array-Elements	optimization code level from A to A+	Aug 26, 2020
0454.4Sum-II	0454.4Sum-II	optimization code level from A to A+	Aug 26, 2020
0455.Assign-Cookies	0455.Assign-Cookies	optimization code level from A to A+	Aug 26, 2020
0456.132-Pattern	0456.132-Pattern	optimization code level from A to A+	Aug 26, 2020
0457.Circular-Array-Loop	0457.Circular-Array-Loop	optimization code level from A to A+	Aug 26, 2020
0461.Hamming-Distance	0461.Hamming-Distance	optimization code level from A to A+	Aug 26, 2020
0463.Island-Perimeter	0463.Island-Perimeter	optimization code level from A to A+	Aug 26, 2020
0470.Implement-Rand10-Using-Rand7	0470.Implement-Rand10-Using-Rand7	optimization code level from A to A+	Aug 26, 2020
0474.Ones-and-Zeroes	0474.Ones-and-Zeroes	optimization code level from A to A+	Aug 26, 2020
0475.Heaters	0475.Heaters	optimization code level from A to A+	Aug 26, 2020
0476.Number-Complement	0476.Number-Complement	optimization code level from A to A+	Aug 26, 2020
0477.Total-Hamming-Distance	0477.Total-Hamming-Distance	optimization code level from A to A+	Aug 26, 2020
0480.Sliding-Window-Median	0480.Sliding-Window-Median	optimization code level from A to A+	Aug 26, 2020
0483.Smallest-Good-Base	0483.Smallest-Good-Base	optimization code level from A to A+	Aug 26, 2020
0485.Max-Consecutive-Ones	0485.Max-Consecutive-Ones	optimization code level from A to A+	Aug 26, 2020
0491.Increasing-Subsequences	0491.Increasing-Subsequences	optimization code level from A to A+	Aug 26, 2020
0493.Reverse-Pairs	0493.Reverse-Pairs	optimization code level from A to A+	Aug 26, 2020
0494.Target-Sum	0494.Target-Sum	optimization code level from A to A+	Aug 26, 2020
0496.Next-Greater-Element-I	0496.Next-Greater-Element-I	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0497.Random-Point-in-Non-overlapping-Rectangles	0497.Random-Point-in-Non-overlapping-Rectangles	optimization code level from A to A+	Aug 26, 2020
0498.Diagonal-Traverse	0498.Diagonal-Traverse	optimization code level from A to A+	Aug 26, 2020
0500.Keyboard-Row	0500.Keyboard-Row	optimization code level from A to A+	Aug 26, 2020
0503.Next-Greater-Element-II	0503.Next-Greater-Element-II	optimization code level from A to A+	Aug 26, 2020
0507.Perfect-Number	0507.Perfect-Number	optimization code level from A to A+	Aug 26, 2020
0508.Most-Frequent-Subtree-Sum	0508.Most-Frequent-Subtree-Sum	optimization code level from A to A+	Aug 26, 2020
0509.Fibonacci-Number	0509.Fibonacci-Number	optimization code level from A to A+	Aug 26, 2020
0513.Find-Bottom-Left-Tree-Value	0513.Find-Bottom-Left-Tree-Value	optimization code level from A to A+	Aug 26, 2020
0515.Find-Largest-Value-in-Each-Tree-Row	0515.Find-Largest-Value-in-Each-Tree-Row	optimization code level from A to A+	Aug 26, 2020
0524.Longest-Word-in-Dictionary-through-Deleting	0524.Longest-Word-in-Dictionary-through-Deleting	optimization code level from A to A+	Aug 26, 2020
0526.Beautiful-Arrangement	0526.Beautiful-Arrangement	optimization code level from A to A+	Aug 26, 2020
0528.Random-Pick-with-Weight	0528.Random-Pick-with-Weight	添加内容	Aug 8, 2020
0529.Minesweeper	0529.Minesweeper	optimization code level from A to A+	Aug 26, 2020
0532.K-diff-Pairs-in-an-Array	0532.K-diff-Pairs-in-an-Array	optimization code level from A to A+	Aug 26, 2020
0537.Complex-Number-Multiplication	0537.Complex-Number-Multiplication	optimization code level from A to A+	Aug 26, 2020
0541.Reverse-String-II	0541.Reverse-String-II	optimization code level from A to A+	Aug 26, 2020
0542.01-Matrix	0542.01-Matrix	optimization code level from A to A+	Aug 26, 2020
0547.Friend-Circles	0547.Friend-Circles	optimization code level from A to A+	Aug 26, 2020
0557.Reverse-Words-in-a-String-III	0557.Reverse-Words-in-a-String-III	optimization code level from A to A+	Aug 26, 2020
0561.Array-Partition-I	0561.Array-Partition-I	optimization code level from A to A+	Aug 26, 2020
0563.Binary-Tree-Tilt	0563.Binary-Tree-Tilt	optimization code level from A to A+	Aug 26, 2020
0566.Reshape-the-Matrix	0566.Reshape-the-Matrix	optimization code level from A to A+	Aug 26, 2020
0567.Permutation-in-String	0567.Permutation-in-String	optimization code level from A to A+	Aug 26, 2020
0572.Subtree-of-Another-Tree	0572.Subtree-of-Another-Tree	optimization code level from A to A+	Aug 26, 2020
0575.Distribute-Candies	0575.Distribute-Candies	optimization code level from A to A+	Aug 26, 2020
0594.Longest-Harmonious-Subsequence	0594.Longest-Harmonious-Subsequence	optimization code level from A to A+	Aug 26, 2020
0598.Range-Addition-II	0598.Range-Addition-II	optimization code level from A to A+	Aug 26, 2020
0599.Minimum-Index-Sum-of-Two-Lists	0599.Minimum-Index-Sum-of-Two-Lists	optimization code level from A to A+	Aug 26, 2020
0628.Maximum-Product-of-Three-Numbers	0628.Maximum-Product-of-Three-Numbers	optimization code level from A to A+	Aug 26, 2020
0632.Smallest-Range-Covering-Elements-from-K-Lists	0632.Smallest-Range-Covering-Elements-from-K-Lists	optimization code level from A to A+	Aug 26, 2020
0633.Sum-of-Square-Numbers	0633.Sum-of-Square-Numbers	optimization code level from A to A+	Aug 26, 2020
0636.Exclusive-Time-of-Functions	0636.Exclusive-Time-of-Functions	optimization code level from A to A+	Aug 26, 2020
0637.Average-of-Levels-in-Binary-Tree	0637.Average-of-Levels-in-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0638.Shopping-Offers	0638.Shopping-Offers	optimization code level from A to A+	Aug 26, 2020
0645.Set-Mismatch	0645.Set-Mismatch	optimization code level from A to A+	Aug 26, 2020
0648.Replace-Words	0648.Replace-Words	optimization code level from A to A+	Aug 26, 2020
0653.Two-Sum-IV---Input-is-a-BST	0653.Two-Sum-IV---Input-is-a-BST	optimization code level from A to A+	Aug 26, 2020
0658.Find-K-Closest-Elements	0658.Find-K-Closest-Elements	optimization code level from A to A+	Aug 26, 2020
0661.Image-Smoother	0661.Image-Smoother	optimization code level from A to A+	Aug 26, 2020
0662.Maximum-Width-of-Binary-Tree	0662.Maximum-Width-of-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0668.Kth-Smallest-Number-in-Multiplication-Table	0668.Kth-Smallest-Number-in-Multiplication-Table	optimization code level from A to A+	Aug 26, 2020
0676.Implement-Magic-Dictionary	0676.Implement-Magic-Dictionary	规范格式	Aug 7, 2020
0682.Baseball-Game	0682.Baseball-Game	optimization code level from A to A+	Aug 26, 2020
0684.Redundant-Connection	0684.Redundant-Connection	optimization code level from A to A+	Aug 26, 2020
0685.Redundant-Connection-II	0685.Redundant-Connection-II	optimization code level from A to A+	Aug 26, 2020
0693.Binary-Number-with-Alternating-Bits	0693.Binary-Number-with-Alternating-Bits	optimization code level from A to A+	Aug 26, 2020
0695.Max-Area-of-Island	0695.Max-Area-of-Island	optimization code level from A to A+	Aug 26, 2020
0697.Degree-of-an-Array	0697.Degree-of-an-Array	optimization code level from A to A+	Aug 26, 2020
0699.Falling-Squares	0699.Falling-Squares	optimization code level from A to A+	Aug 26, 2020
0704.Binary-Search	0704.Binary-Search	optimization code level from A to A+	Aug 26, 2020
0705.Design-HashSet	0705.Design-HashSet	添加内容	Aug 8, 2020
0706.Design-HashMap	0706.Design-HashMap	添加内容	Aug 8, 2020
0707.Design-Linked-List	0707.Design-Linked-List	规范格式	Aug 7, 2020
0710.Random-Pick-with-Blacklist	0710.Random-Pick-with-Blacklist	optimization code level from A to A+	Aug 26, 2020
0713.Subarray-Product-Less-Than-K	0713.Subarray-Product-Less-Than-K	optimization code level from A to A+	Aug 26, 2020
0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee	0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee	optimization code level from A to A+	Aug 26, 2020
0715.Range-Module	0715.Range-Module	添加内容	Aug 8, 2020
0717.1-bit-and-2-bit-Characters	0717.1-bit-and-2-bit-Characters	optimization code level from A to A+	Aug 26, 2020
0718.Maximum-Length-of-Repeated-Subarray	0718.Maximum-Length-of-Repeated-Subarray	optimization code level from A to A+	Aug 26, 2020
0719.Find-K-th-Smallest-Pair-Distance	0719.Find-K-th-Smallest-Pair-Distance	optimization code level from A to A+	Aug 26, 2020
0720.Longest-Word-in-Dictionary	0720.Longest-Word-in-Dictionary	optimization code level from A to A+	Aug 26, 2020
0721.Accounts-Merge	0721.Accounts-Merge	optimization code level from A to A+	Aug 26, 2020
0724.Find-Pivot-Index	0724.Find-Pivot-Index	optimization code level from A to A+	Aug 26, 2020
0725.Split-Linked-List-in-Parts	0725.Split-Linked-List-in-Parts	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0726.Number-of-Atoms	0726.Number-of-Atoms	optimization code level from A to A+	Aug 26, 2020
0729.My-Calendar-I	0729.My-Calendar-I	添加内容	Aug 8, 2020
0732.My-Calendar-III	0732.My-Calendar-III	添加内容	Aug 8, 2020
0733.Flood-Fill	0733.Flood-Fill	optimization code level from A to A+	Aug 26, 2020
0735.Asteroid-Collision	0735.Asteroid-Collision	optimization code level from A to A+	Aug 26, 2020
0739.Daily-Temperatures	0739.Daily-Temperatures	optimization code level from A to A+	Aug 26, 2020
0744.Find-Smallest-Letter-Greater-Than-Target	0744.Find-Smallest-Letter-Greater-Than-Target	optimization code level from A to A+	Aug 26, 2020
0745.Prefix-and-Suffix-Search	0745.Prefix-and-Suffix-Search	规范格式	Aug 7, 2020
0746.Min-Cost-Climbing-Stairs	0746.Min-Cost-Climbing-Stairs	optimization code level from A to A+	Aug 26, 2020
0748.Shortest-Completing-Word	0748.Shortest-Completing-Word	optimization code level from A to A+	Aug 26, 2020
0753.Cracking-the-Safe	0753.Cracking-the-Safe	optimization code level from A to A+	Aug 26, 2020
0756.Pyramid-Transition-Matrix	0756.Pyramid-Transition-Matrix	optimization code level from A to A+	Aug 26, 2020
0762.Prime-Number-of-Set-Bits-in-Binary-Representation	0762.Prime-Number-of-Set-Bits-in-Binary-Representation	optimization code level from A to A+	Aug 26, 2020
0763.Partition-Labels	0763.Partition-Labels	optimization code level from A to A+	Aug 26, 2020
0765.Couples-Holding-Hands	0765.Couples-Holding-Hands	optimization code level from A to A+	Aug 26, 2020
0766.Toeplitz-Matrix	0766.Toeplitz-Matrix	optimization code level from A to A+	Aug 26, 2020
0767.Reorganize-String	0767.Reorganize-String	optimization code level from A to A+	Aug 26, 2020
0771.Jewels-and-Stones	0771.Jewels-and-Stones	optimization code level from A to A+	Aug 26, 2020
0778.Swim-in-Rising-Water	0778.Swim-in-Rising-Water	optimization code level from A to A+	Aug 26, 2020
0781.Rabbits-in-Forest	0781.Rabbits-in-Forest	optimization code level from A to A+	Aug 26, 2020
0784.Letter-Case-Permutation	0784.Letter-Case-Permutation	optimization code level from A to A+	Aug 26, 2020
0786.K-th-Smallest-Prime-Fraction	0786.K-th-Smallest-Prime-Fraction	optimization code level from A to A+	Aug 26, 2020
0793.Preimage-Size-of-Factorial-Zeroes-Function	0793.Preimage-Size-of-Factorial-Zeroes-Function	optimization code level from A to A+	Aug 26, 2020
0802.Find-Eventual-Safe-States	0802.Find-Eventual-Safe-States	optimization code level from A to A+	Aug 26, 2020
0803.Bricks-Falling-When-Hit	0803.Bricks-Falling-When-Hit	optimization code level from A to A+	Aug 26, 2020
0811.Subdomain-Visit-Count	0811.Subdomain-Visit-Count	optimization code level from A to A+	Aug 26, 2020
0812.Largest-Triangle-Area	0812.Largest-Triangle-Area	optimization code level from A to A+	Aug 26, 2020
0815.Bus-Routes	0815.Bus-Routes	optimization code level from A to A+	Aug 26, 2020
0817.Linked-List-Components	0817.Linked-List-Components	optimization code level from A to A+	Aug 26, 2020
0819.Most-Common-Word	0819.Most-Common-Word	optimization code level from A to A+	Aug 26, 2020
0826.Most-Profit-Assigning-Work	0826.Most-Profit-Assigning-Work	optimization code level from A to A+	Aug 26, 2020
0828.COPYRIGHT-PROBLEM-XXX	0828.COPYRIGHT-PROBLEM-XXX	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0832.Flipping-an-Image	0832.Flipping-an-Image	optimization code level from A to A+	Aug 26, 2020
0834.Sum-of-Distances-in-Tree	0834.Sum-of-Distances-in-Tree	optimization code level from A to A+	Aug 26, 2020
0836.Rectangle-Overlap	0836.Rectangle-Overlap	optimization code level from A to A+	Aug 26, 2020
0838.Push-Dominoes	0838.Push-Dominoes	optimization code level from A to A+	Aug 26, 2020
0839.Similar-String-Groups	0839.Similar-String-Groups	optimization code level from A to A+	Aug 26, 2020
0841.Keys-and-Rooms	0841.Keys-and-Rooms	optimization code level from A to A+	Aug 26, 2020
0842.Split-Array-into-Fibonacci-Sequence	0842.Split-Array-into-Fibonacci-Sequence	optimization code level from A to A+	Aug 26, 2020
0844.Backspace-String-Compare	0844.Backspace-String-Compare	optimization code level from A to A+	Aug 26, 2020
0845.Longest-Mountain-in-Array	0845.Longest-Mountain-in-Array	optimization code level from A to A+	Aug 26, 2020
0850.Rectangle-Area-II	0850.Rectangle-Area-II	optimization code level from A to A+	Aug 26, 2020
0851.Loud-and-Rich	0851.Loud-and-Rich	optimization code level from A to A+	Aug 26, 2020
0852.Peak-Index-in-a-Mountain-Array	0852.Peak-Index-in-a-Mountain-Array	optimization code level from A to A+	Aug 26, 2020
0853.Car-Fleet	0853.Car-Fleet	optimization code level from A to A+	Aug 26, 2020
0856.Score-of-Parentheses	0856.Score-of-Parentheses	optimization code level from A to A+	Aug 26, 2020
0862.Shortest-Subarray-with-Sum-at-Least-K	0862.Shortest-Subarray-with-Sum-at-Least-K	optimization code level from A to A+	Aug 26, 2020
0863.All-Nodes-Distance-K-in-Binary-Tree	0863.All-Nodes-Distance-K-in-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0864.Shortest-Path-to-Get-All-Keys	0864.Shortest-Path-to-Get-All-Keys	optimization code level from A to A+	Aug 26, 2020
0867.Transpose-Matrix	0867.Transpose-Matrix	optimization code level from A to A+	Aug 26, 2020
0872.Leaf-Similar-Trees	0872.Leaf-Similar-Trees	optimization code level from A to A+	Aug 26, 2020
0875.Koko-Eating-Bananas	0875.Koko-Eating-Bananas	optimization code level from A to A+	Aug 26, 2020
0876.Middle-of-the-Linked-List	0876.Middle-of-the-Linked-List	optimization code level from A to A+	Aug 26, 2020
0878.Nth-Magical-Number	0878.Nth-Magical-Number	optimization code level from A to A+	Aug 26, 2020
0880.Decoded-String-at-Index	0880.Decoded-String-at-Index	optimization code level from A to A+	Aug 26, 2020
0881.Boats-to-Save-People	0881.Boats-to-Save-People	optimization code level from A to A+	Aug 26, 2020
0884.Uncommon-Words-from-Two-Sentences	0884.Uncommon-Words-from-Two-Sentences	optimization code level from A to A+	Aug 26, 2020
0885.Spiral-Matrix-III	0885.Spiral-Matrix-III	optimization code level from A to A+	Aug 26, 2020
0887.Super-Egg-Drop	0887.Super-Egg-Drop	optimization code level from A to A+	Aug 26, 2020
0888.Fair-Candy-Swap	0888.Fair-Candy-Swap	optimization code level from A to A+	Aug 26, 2020
0891.Sum-of-Subsequence-Widths	0891.Sum-of-Subsequence-Widths	optimization code level from A to A+	Aug 26, 2020
0892.Surface-Area-of-3D-Shapes	0892.Surface-Area-of-3D-Shapes	optimization code level from A to A+	Aug 26, 2020
0895.Maximum-Frequency-Stack	0895.Maximum-Frequency-Stack	规范格式	Aug 7, 2020
0896.Monotonic-Array	0896.Monotonic-Array	optimization code level from A to A+	Aug 26, 2020
0897.Increasing-Order-Search-Tree	0897.Increasing-Order-Search-Tree	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0898.Bitwise-ORs-of-Subarrays	0898.Bitwise-ORs-of-Subarrays	optimization code level from A to A+	Aug 26, 2020
0901.Online-Stock-Span	0901.Online-Stock-Span	规范格式	Aug 7, 2020
0904.Fruit-Into-Baskets	0904.Fruit-Into-Baskets	optimization code level from A to A+	Aug 26, 2020
0907.Sum-of-Subarray-Minimums	0907.Sum-of-Subarray-Minimums	optimization code level from A to A+	Aug 26, 2020
0911.Online-Election	0911.Online-Election	添加内容	Aug 8, 2020
0914.X-of-a-Kind-in-a-Deck-of-Cards	0914.X-of-a-Kind-in-a-Deck-of-Cards	optimization code level from A to A+	Aug 26, 2020
0918.Maximum-Sum-Circular-Subarray	0918.Maximum-Sum-Circular-Subarray	optimization code level from A to A+	Aug 26, 2020
0920.Number-of-Music-Playlists	0920.Number-of-Music-Playlists	optimization code level from A to A+	Aug 26, 2020
0921.Minimum-Add-to-Make-Parentheses-Valid	0921.Minimum-Add-to-Make-Parentheses-Valid	optimization code level from A to A+	Aug 26, 2020
0922.Sort-Array-By-Parity-II	0922.Sort-Array-By-Parity-II	optimization code level from A to A+	Aug 26, 2020
0923.3Sum-With-Multiplicity	0923.3Sum-With-Multiplicity	optimization code level from A to A+	Aug 26, 2020
0924.Minimize-Malware-Spread	0924.Minimize-Malware-Spread	optimization code level from A to A+	Aug 26, 2020
0925.Long-Pressed-Name	0925.Long-Pressed-Name	optimization code level from A to A+	Aug 26, 2020
0927.Three-Equal-Parts	0927.Three-Equal-Parts	optimization code level from A to A+	Aug 26, 2020
0928.Minimize-Malware-Spread-II	0928.Minimize-Malware-Spread-II	optimization code level from A to A+	Aug 26, 2020
0930.Binary-Subarrays-With-Sum	0930.Binary-Subarrays-With-Sum	optimization code level from A to A+	Aug 26, 2020
0933.Number-of-Recent-Calls	0933.Number-of-Recent-Calls	generate PDF versison	Aug 16, 2020
0942.DI-String-Match	0942.DI-String-Match	optimization code level from A to A+	Aug 26, 2020
0946.Validate-Stack-Sequences	0946.Validate-Stack-Sequences	optimization code level from A to A+	Aug 26, 2020
0947.Most-Stones-Removed-with-Same-Row-or-Column	0947.Most-Stones-Removed-with-Same-Row-or-Column	optimization code level from A to A+	Aug 26, 2020
0949.Largest-Time-for-Given-Digits	0949.Largest-Time-for-Given-Digits	optimization code level from A to A+	Aug 26, 2020
0952.Largest-Component-Size-by-Common-Factor	0952.Largest-Component-Size-by-Common-Factor	optimization code level from A to A+	Aug 26, 2020
0953.Verifying-an-Alien-Dictionary	0953.Verifying-an-Alien-Dictionary	optimization code level from A to A+	Aug 26, 2020
0959.Regions-Cut-By-Slashes	0959.Regions-Cut-By-Slashes	optimization code level from A to A+	Aug 26, 2020
0961.N-Repeated-Element-in-Size-2N-Array	0961.N-Repeated-Element-in-Size-2N-Array	optimization code level from A to A+	Aug 26, 2020
0968.Binary-Tree-Cameras	0968.Binary-Tree-Cameras	optimization code level from A to A+	Aug 26, 2020
0969.Pancake-Sorting	0969.Pancake-Sorting	optimization code level from A to A+	Aug 26, 2020
0970.Powerful-Integers	0970.Powerful-Integers	optimization code level from A to A+	Aug 26, 2020
0973.K-Closest-Points-to-Origin	0973.K-Closest-Points-to-Origin	optimization code level from A to A+	Aug 26, 2020
0976.Largest-Perimeter-Triangle	0976.Largest-Perimeter-Triangle	optimization code level from A to A+	Aug 26, 2020
0977.Squares-of-a-Sorted-Array	0977.Squares-of-a-Sorted-Array	optimization code level from A to A+	Aug 26, 2020
0978.Longest-Turbulent-Subarray	0978.Longest-Turbulent-Subarray	optimization code level from A to A+	Aug 26, 2020
0979.Distribute-Coins-in-Binary-Tree	0979.Distribute-Coins-in-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0980.Unique-Paths-III	0980.Unique-Paths-III	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
0981.Time-Based-Key-Value-Store	0981.Time-Based-Key-Value-Store	添加内容	Aug 8, 2020
0984.String-Without-AAA-or-BBB	0984.String-Without-AAA-or-BBB	optimization code level from A to A+	Aug 26, 2020
0985.Sum-of-Even-Numbers-After-Queries	0985.Sum-of-Even-Numbers-After-Queries	optimization code level from A to A+	Aug 26, 2020
0986.Interval-List-Intersections	0986.Interval-List-Intersections	optimization code level from A to A+	Aug 26, 2020
0990.Satisfiability-of-Equality-Equations	0990.Satisfiability-of-Equality-Equations	optimization code level from A to A+	Aug 26, 2020
0992.Subarrays-with-K-Different-Integers	0992.Subarrays-with-K-Different-Integers	optimization code level from A to A+	Aug 26, 2020
0993.Cousins-in-Binary-Tree	0993.Cousins-in-Binary-Tree	optimization code level from A to A+	Aug 26, 2020
0995.Minimum-Number-of-K-Consecutive-Bit-Flips	0995.Minimum-Number-of-K-Consecutive-Bit-Flips	optimization code level from A to A+	Aug 26, 2020
0996.Number-of-Squareful-Arrays	0996.Number-of-Squareful-Arrays	optimization code level from A to A+	Aug 26, 2020
0999.Available-Captures-for-Rook	0999.Available-Captures-for-Rook	optimization code level from A to A+	Aug 26, 2020
1002.Find-Common-Characters	1002.Find-Common-Characters	optimization code level from A to A+	Aug 26, 2020
1003.Check-If-Word-Is-Valid-After-Substitutions	1003.Check-If-Word-Is-Valid-After-Substitutions	optimization code level from A to A+	Aug 26, 2020
1004.Max-Consecutive-Ones-III	1004.Max-Consecutive-Ones-III	optimization code level from A to A+	Aug 26, 2020
1005.Maximize-Sum-Of-Array-After-K-Negations	1005.Maximize-Sum-Of-Array-After-K-Negations	optimization code level from A to A+	Aug 26, 2020
1011.Capacity-To-Ship-Packages-Within-D-Days	1011.Capacity-To-Ship-Packages-Within-D-Days	optimization code level from A to A+	Aug 26, 2020
1017.Convert-to-Base--2	1017.Convert-to-Base--2	optimization code level from A to A+	Aug 26, 2020
1019.Next-Greater-Node-In-Linked-List	1019.Next-Greater-Node-In-Linked-List	optimization code level from A to A+	Aug 26, 2020
1020.Number-of-Enclaves	1020.Number-of-Enclaves	optimization code level from A to A+	Aug 26, 2020
1021.Remove-Outermost-Parentheses	1021.Remove-Outermost-Parentheses	optimization code level from A to A+	Aug 26, 2020
1025.Divisor-Game	1025.Divisor-Game	optimization code level from A to A+	Aug 26, 2020
1026.Maximum-Difference-Between-Node-and-Ancestor	1026.Maximum-Difference-Between-Node-and-Ancestor	optimization code level from A to A+	Aug 26, 2020
1028.Recover-a-Tree-From-Preorder-Traversal	1028.Recover-a-Tree-From-Preorder-Traversal	optimization code level from A to A+	Aug 26, 2020
1030.Matrix-Cells-in-Distance-Order	1030.Matrix-Cells-in-Distance-Order	optimization code level from A to A+	Aug 26, 2020
1037.Valid-Boomerang	1037.Valid-Boomerang	optimization code level from A to A+	Aug 26, 2020
1040.Moving-Stones-Until-Consecutive-II	1040.Moving-Stones-Until-Consecutive-II	optimization code level from A to A+	Aug 26, 2020
1047.Remove-All-Adjacent-Duplicates-In-String	1047.Remove-All-Adjacent-Duplicates-In-String	optimization code level from A to A+	Aug 26, 2020
1049.Last-Stone-Weight-II	1049.Last-Stone-Weight-II	optimization code level from A to A+	Aug 26, 2020
1051.Height-Checker	1051.Height-Checker	optimization code level from A to A+	Aug 26, 2020
1052.Grumpy-Bookstore-Owner	1052.Grumpy-Bookstore-Owner	optimization code level from A to A+	Aug 26, 2020
1054.Distant-Barcodes	1054.Distant-Barcodes	optimization code level from A to A+	Aug 26, 2020
1073.Adding-Two-Negabinary-Numbers	1073.Adding-Two-Negabinary-Numbers	optimization code level from A to A+	Aug 26, 2020
1074.Number-of-Submatrices-That-Sum-to-Target	1074.Number-of-Submatrices-That-Sum-to-Target	optimization code level from A to A+	Aug 26, 2020
1078.Occurrences-After-Bigram	1078.Occurrences-After-Bigram	optimization code level from A to A+	Aug 26, 2020
1079.Letter-Tile-Possibilities	1079.Letter-Tile-Possibilities	optimization code level from A to A+	Aug 26, 2020
1089.Duplicate-Zeros	1089.Duplicate-Zeros	optimization code level from A to A+	Aug 26, 2020
1093.Statistics-from-a-Large-Sample	1093.Statistics-from-a-Large-Sample	optimization code level from A to A+	Aug 26, 2020
1105.Filling-Bookcase-Shelves	1105.Filling-Bookcase-Shelves	optimization code level from A to A+	Aug 26, 2020
1108.Defanging-an-IP-Address	1108.Defanging-an-IP-Address	optimization code level from A to A+	Aug 26, 2020
1110.Delete-Nodes-And-Return-Forest	1110.Delete-Nodes-And-Return-Forest	optimization code level from A to A+	Aug 26, 2020
1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings	1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings	optimization code level from A to A+	Aug 26, 2020
1122.Relative-Sort-Array	1122.Relative-Sort-Array	optimization code level from A to A+	Aug 26, 2020
1123.Lowest-Common-Ancestor-of-Deepest-Leaves	1123.Lowest-Common-Ancestor-of-Deepest-Leaves	optimization code level from A to A+	Aug 26, 2020
1128.Number-of-Equivalent-Domino-Pairs	1128.Number-of-Equivalent-Domino-Pairs	optimization code level from A to A+	Aug 26, 2020
1137.N-th-Tribonacci-Number	1137.N-th-Tribonacci-Number	optimization code level from A to A+	Aug 26, 2020
1145.Binary-Tree-Coloring-Game	1145.Binary-Tree-Coloring-Game	optimization code level from A to A+	Aug 26, 2020
1154.Day-of-the-Year	1154.Day-of-the-Year	optimization code level from A to A+	Aug 26, 2020
1157.Online-Majority-Element-In-Subarray	1157.Online-Majority-Element-In-Subarray	add leetcode logo	Aug 9, 2020
1160.Find-Words-That-Can-Be-Formed-by-Characters	1160.Find-Words-That-Can-Be-Formed-by-Characters	optimization code level from A to A+	Aug 26, 2020
1170.Compare-Strings-by-Frequency-of-the-Smallest-Character	1170.Compare-Strings-by-Frequency-of-the-Smallest-Character	optimization code level from A to A+	Aug 26, 2020
1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List	1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List	optimization code level from A to A+	Aug 26, 2020
1175.Prime-Arrangements	1175.Prime-Arrangements	optimization code level from A to A+	Aug 26, 2020
1184.Distance-Between-Bus-Stops	1184.Distance-Between-Bus-Stops	optimization code level from A to A+	Aug 26, 2020
1185.Day-of-the-Week	1185.Day-of-the-Week	optimization code level from A to A+	Aug 26, 2020
1189.Maximum-Number-of-Balloons	1189.Maximum-Number-of-Balloons	optimization code level from A to A+	Aug 26, 2020
1200.Minimum-Absolute-Difference	1200.Minimum-Absolute-Difference	optimization code level from A to A+	Aug 26, 2020
1201.Ugly-Number-III	1201.Ugly-Number-III	optimization code level from A to A+	Aug 26, 2020
1202.Smallest-String-With-Swaps	1202.Smallest-String-With-Swaps	optimization code level from A to A+	Aug 26, 2020
1207.Unique-Number-of-Occurrences	1207.Unique-Number-of-Occurrences	optimization code level from A to A+	Aug 26, 2020
1208.Get-Equal-Substrings-Within-Budget	1208.Get-Equal-Substrings-Within-Budget	optimization code level from A to A+	Aug 26, 2020
1217.Play-with-Chips	1217.Play-with-Chips	optimization code level from A to A+	Aug 26, 2020
1221.Split-a-String-in-Balanced-Strings	1221.Split-a-String-in-Balanced-Strings	optimization code level from A to A+	Aug 26, 2020
1232.Check-If-It-Is-a-Straight-Line	1232.Check-If-It-Is-a-Straight-Line	optimization code level from A to A+	Aug 26, 2020
1234.Replace-the-Substring-for-Balanced-String	1234.Replace-the-Substring-for-Balanced-String	optimization code level from A to A+	Aug 26, 2020
1235.Maximum-Profit-in-Job-Scheduling	1235.Maximum-Profit-in-Job-Scheduling	optimization code level from A to A+	Aug 26, 2020
1252.Cells-with-Odd-Values-in-a-Matrix	1252.Cells-with-Odd-Values-in-a-Matrix	optimization code level from A to A+	Aug 26, 2020
1254.Number-of-Closed-Islands	1254.Number-of-Closed-Islands	optimization code level from A to A+	Aug 26, 2020
1260.Shift-2D-Grid	1260.Shift-2D-Grid	optimization code level from A to A+	Aug 26, 2020
1266.Minimum-Time-Visiting-All-Points	1266.Minimum-Time-Visiting-All-Points	optimization code level from A to A+	Aug 26, 2020
1275.Find-Winner-on-a-Tic-Tac-Toe-Game	1275.Find-Winner-on-a-Tic-Tac-Toe-Game	optimization code level from A to A+	Aug 26, 2020
1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer	1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer	optimization code level from A to A+	Aug 26, 2020
1283.Find-the-Smallest-Divisor-Given-a-Threshold	1283.Find-the-Smallest-Divisor-Given-a-Threshold	optimization code level from A to A+	Aug 26, 2020
1287.Element-Appearing-More-Than-In-Sorted-Array	1287.Element-Appearing-More-Than-In-Sorted-Array	optimization code level from A to A+	Aug 26, 2020
1290.Convert-Binary-Number-in-a-Linked-List-to-Integer	1290.Convert-Binary-Number-in-a-Linked-List-to-Integer	optimization code level from A to A+	Aug 26, 2020
1295.Find-Numbers-with-Even-Number-of-Digits	1295.Find-Numbers-with-Even-Number-of-Digits	optimization code level from A to A+	Aug 26, 2020
1299.Replace-Elements-with-Greatest-Element-on-Right-Side	1299.Replace-Elements-with-Greatest-Element-on-Right-Side	optimization code level from A to A+	Aug 26, 2020
1300.Sum-of-Mutated-Array-Closest-to-Target	1300.Sum-of-Mutated-Array-Closest-to-Target	optimization code level from A to A+	Aug 26, 2020
1302.Deepest-Leaves-Sum	1302.Deepest-Leaves-Sum	optimization code level from A to A+	Aug 26, 2020
1304.Find-N-Unique-Integers-Sum-up-to-Zero	1304.Find-N-Unique-Integers-Sum-up-to-Zero	optimization code level from A to A+	Aug 26, 2020
1305.All-Elements-in-Two-Binary-Search-Trees	1305.All-Elements-in-Two-Binary-Search-Trees	optimization code level from A to A+	Aug 26, 2020
1306.Jump-Game-III	1306.Jump-Game-III	optimization code level from A to A+	Aug 26, 2020
1313.Decompress-Run-Length-Encoded-List	1313.Decompress-Run-Length-Encoded-List	optimization code level from A to A+	Aug 26, 2020
1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers	1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers	optimization code level from A to A+	Aug 26, 2020
1380.Lucky-Numbers-in-a-Matrix	1380.Lucky-Numbers-in-a-Matrix	optimization code level from A to A+	Aug 26, 2020
1385.Find-the-Distance-Value-Between-Two-Arrays	1385.Find-the-Distance-Value-Between-Two-Arrays	optimization code level from A to A+	Aug 26, 2020
1389.Create-Target-Array-in-the-Given-Order	1389.Create-Target-Array-in-the-Given-Order	optimization code level from A to A+	Aug 26, 2020
1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence	1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence	optimization code level from A to A+	Aug 26, 2020
1464.Maximum-Product-of-Two-Elements-in-an-Array	1464.Maximum-Product-of-Two-Elements-in-an-Array	optimization code level from A to A+	Aug 26, 2020
1470.Shuffle-the-Array	1470.Shuffle-the-Array	optimization code level from A to A+	Aug 26, 2020
9990085.Maximal-Rectangle	9990085.Maximal-Rectangle	optimization code level from A to A+	Aug 26, 2020
9990132.Palindrome-Partitioning-II	9990132.Palindrome-Partitioning-II	optimization code level from A to A+	Aug 26, 2020
9990316.Remove-Duplicate-Letters	9990316.Remove-Duplicate-Letters	optimization code level from A to A+	Aug 26, 2020
9990352.Data-Stream-as-Disjoint-Intervals	9990352.Data-Stream-as-Disjoint-Intervals	optimization code level from A to A+	Aug 26, 2020
9990363.Max-Sum-of-Rectangle-No-Larger-Than-K	9990363.Max-Sum-of-Rectangle-No-Larger-Than-K	optimization code level from A to A+	Aug 26, 2020
9990377.Combination-Sum-IV	9990377.Combination-Sum-IV	optimization code level from A to A+	Aug 26, 2020
9990975.Odd-Even-Jump	9990975.Odd-Even-Jump	Merge pull request halfrost#60 from halfrost/code_quality_improvement	Aug 27, 2020
9991044.Longest-Duplicate-Substring	9991044.Longest-Duplicate-Substring	optimization code level from A to A+	Aug 26, 2020
9991292.Maximum-Side-Length-of-a-Square-with-Sum-Less-than-or-Equal-to-Threshold	9991292.Maximum-Side-Length-of-a-Square-with-Sum-Less-than-or-Equal-to-Threshold	optimization code level from A to A+	Aug 26, 2020

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