Files

0001-Two-Sum
0002-Add-Two-Numbers
0003-Longest-Substring-Without-Repeating-Characters
0007-Reverse-Integer
0011-Container-With-Most-Water
0012-Integer-to-Roman
0013-Roman-to-Integer
0014-Longest-Common-Prefix
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
0033-Search-in-Rotated-Sorted-Array
0034-Search-for-a-Range
0036-Valid-Sudoku
0037-Sudoku-Solver
0038-Count-and-Say
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-Pow-x-n
0051-N-Queens
0052-N-Queens-II
0054-Spiral-Matrix
0056-Merge-Intervals
0059-Spiral-Matrix-II
0061-Rotate-List
0063-Unique-Paths-II
0064-Minimum-Path-Sum
0066-Plus-One
0067-Add-Binary
0069-Sqrt-x
0070-Climbing-Stairs
0072-Edit-Distance
0073-Set-Matrix-Zeroes
0075-Sort-Colors
0076-Minimum-Window-Substring
0077-Combinations
0079-Word-Search
0080-Remove-Duplicates-from-Sorted-Array-II
0082-Remove-Duplicates-from-Sorted-List-II
0086-Partition-List
0087-Scramble-String
0088-Merge-Sorted-Array
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
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
0111-Minimum-Depth-of-Binary-Tree
0112-Path-Sum
0113-Path-Sum-II
0115-Distinct-Subsequences
0116-Populating-Next-Right-Pointers-in-Each-Node
0117-Populating-Next-Right-Pointers-in-Each-Node-II
0118-Pascals-Triangle
0119-Pascals-Triangle-II
0120-Triangle
0121-Best-Time-to-Buy-and-Sell-Stock
0122-Best-Time-to-Buy-and-Sell-Stock-II/cpp-0122
- CMakeLists.txt
- main.cpp
- main2.cpp
0123-Best-Time-to-Buy-and-Sell-Stock-III
0125-Valid-Palindrome
0126-Word-Ladder-II
0127-Word-Ladder
0128-Longest-Consecutive-Sequence
0129-Sum-Root-to-Leaf-Numbers
0130-Surrounded-Regions
0133-Clone-Graph
0135-Candy
0136-Single-Number
0138-Copy-List-with-Random-Pointer
0141-Linked-List-Cycle
0142-Linked-List-Cycle-II
0144-Binary-Tree-Preorder-Traversal
0145-Binary-Tree-Postorder-Traversal
0147-Insertion-Sort-List
0148-Sort-List
0149-Max-Points-on-a-Line
0150-Evaluate-Reverse-Polish-Notation
0151-Reverse-Words-in-a-String
0153-Find-Minimum-in-Rotated-Sorted-Array
0155-Min-Stack
0159-Longest-Substring-with-At-Most-Two-Distinct-Characters
0160-Intersection-of-Two-Linked-Lists
0161-One-Edit-Distance
0167-Two-Sum-II-Input-array-is-sorted
0169-Majority-Element
0170-Two-Sum-III-Data-structure-design
0171-Excel-Sheet-Column
0173-Binary-Search-Tree-Iterator
0186-Reverse-Words-in-a-String-II
0188-Best-Time-to-Buy-and-Sell-Stock-IV
0189-Rotate-Array
0191-Number-of-1-Bits
0198-House-Robber
0200-Number-of-Islands
0202-Happy-Number
0203-Remove-Linked-List-Elements
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
0224-Basic-Calculator
0225-Implement-Stack-using-Queues
0226-Invert-Binary-Tree
0227-Basic-Calculator-II
0230-Kth-Smallest-Element-in-a-BST
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
0242-Valid-Anagram
0243-Shortest-Word-Distance
0244-Shortest-Word-Distance-II
0245-Shortest-Word-Distance-III
0249-Group-Shifted-Strings
0250-Count-Univalue-Subtrees
0252-Meeting-Rooms
0253-Meeting-Rooms-II
0254-Factor-Combinations
0257-Binary-Tree-Paths
0259-3Sum-Smaller
0268-Missing-Number
0279-Perfect-Squares
0282-Expression-Add-Operators
0283-Move-Zeroes
0286-Walls-and-Gates
0287-Find-the-Duplicate-Number
0288-Unique-Word-Abbreviation
0290-Word-Pattern
0297-Serialize-and-Deserialize-Binary-Tree
0300-Longest-Increasing-Subsequence
0301-Remove-Invalid-Parentheses
0303-Range-Sum-Query-Immutable
0307-Range-Sum-Query-Mutable
0308-Range-Sum-Query-2D-Mutable
0309-Best-Time-to-Buy-and-Sell-Stock-with-Cooldown
0315-Count-of-Smaller-Numbers-After-Self
0319-Bulb-Switcher
0322-Coin-Change
0328-Odd-Even-Linked-List
0337-House-Robber-III
0343-Integer-Break
0344-Reverse-String
0345-Reverse-Vowels-of-a-String
0346-Moving-Average-from-Data-Stream
0347-Top-K-Frequent-Elements
0349-Intersection-of-Two-Arrays
0350-Intersection-of-Two-Arrays-II
0359-Logger-Rate-Limiter
0360-Sort-Transformed-Array
0370-Range-Addition
0373-Find-K-Pairs-with-Smallest-Sums
0374-Guess-Number-Higher-or-Lower
0377-Combination-Sum-IV
0378-Kth-Smallest-Element-in-a-Sorted-Matrix
0380-Insert-Delete-GetRandom-O(1)
0381-Insert-Delete-GetRandom-O(1)-Duplicates-allowed
0382-Linked-List-Random-Node
0384-Shuffle-an-Array
0386-Lexicographical-Numbers
0387-First-Unique-Character-in-a-String
0388-Longest-Absolute-File-Path
0389-Find-the-Difference
0390-Elimination-Game
0391-Perfect-Rectangle
0393-UTF-8-Validation
0394-Decode-String
0398-Random-Pick-Index
0412-Fizz-Buzz
0416-Partition-Equal-Subset-Sum
0417-Pacific-Atlantic-Water-Flow
0423-Reconstruct-Original-Digits-from-English
0429-N-ary-Tree-Level-Order-Traversal
0430-Flatten-a-Multilevel-Doubly-Linked-List
0434-Number of-Segments-in-a-String
0435-Non-overlapping-Intervals
0437-Path-Sum-III
0438-Find-All-Anagrams-in-a-String
0443-String-Compression
0447-Number-of-Boomerangs
0451-Sort-Characters-By-Frequency
0454-4Sum-II
0455-Assign-Cookies
0470-Implement-Rand10-Using-Rand7
0473-Matchsticks-to-Square
0474-Ones-and-Zeroes
0478-Generate-Random-Point-in-a-Circle
0485-Max-Consecutive-Ones
0490-The-Maze
0494-Target-Sum
0497-Random-Point-in-Non-overlapping-Rectangles
0498-Diagonal-Traverse
0509-Fibonacci-Number
0518-Coin-Change-2
0519-Random-Flip-Matrix
0528-Random-Pick-with-Weight
0530-Minimum-Absolute-Difference-in-BST
0541-Reverse-String-II
0542-01-Matrix
0557-Reverse-Words-in-a-String-III
0559-Maximum-Depth-of-N-ary-Tree
0561-Array-Partition-I
0572-Subtree-of-Another-Tree
0583-Delete-Operation-for-Two-Strings
0589-N-ary-Tree-Preorder-Traversal
0590-N-ary-Tree-Postorder-Transversal
0598-Range-Addition-II
0599-Minimum-Index-Sum-of-Two-Lists
0600-Non-negative-Integers-without-Consecutive-Ones
0622-Design-Circular-Queue
0637-Average-of-Levels-in-Binary-Tree
0648-Replace-Words
0652-Find-Duplicate-Subtrees
0672-Bulb-Switcher-II
0673-Number-of-Longest-Increasing-Subsequence
0674-Longest-Continuous-Increasing-Subsequence
0675-Cut-Off-Trees-for-Golf-Event
0676-Implement-Magic-Dictionary
0677-Map-Sum-Pairs
0684-Redundant-Connection
0685-Redundant-Connection-II
0690-Employee-Importance
0692-Top-K-Frequent-Words
0694-Number-of-Distinct-Islands
0695-Max-Area-of-Island
0696-Count-Binary-Substrings
0697-Degree-of-an-Array
0698-Partition-to-K-Equal-Sum-Subsets
0699-Falling-Squares
0704-Binary-Search
0705-Design-HashSet
0706-Design-HashMap
0707-Design-Linked-List
0708-Insert-into-a-Cyclic-Sorted-List
0710-Random-Pick-with-Blacklist
0711-Number-of-Distinct-Islands-II
0712-Minimum-ASCII-Delete-Sum-for-Two-Strings
0713-Subarray-Product-Less-Than-K
0714-Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee
0715-Range-Module
0716-Max-Stack
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
0722-Remove-Comments
0723-Candy-Crush
0724-Find-Pivot-Index
0725-Split-Linked-List-in-Parts
0727-Minimum-Window-Subsequence
0728-Self-Dividing-Numbers
0729-My Calendar-I
0731-My-Calendar-II
0732-My-Calendar-III
0733-Flood-Fill
0734-Sentence-Similarity
0735-Asteroid-Collision
0736-Parse-Lisp-Expression
0737-Sentence-Similarity-II
0739-Daily-Temperatures
0740-Delete-and-Earn
0741-Cherry-Pickup
0746-Min-Cost-Climbing-Stairs
0747-Largest-Number-At-Least-Twice-of-Others
0752-Open-the-Lock
0765-Couples-Holding-Hands
0766-Toeplitz-Matrix
0771-Jewels-and-Stones
0772-Basic-Calculator-III
0780-Reaching-Points
0781-Rabbits-in-Forest
0783-Minimum-Distance-Between-BST-Nodes
0784-Letter-Case-Permutation
0785-Is-Graph-Bipartite
0786-K-th-Smallest-Prime-Fraction
0787-Cheapest-Flights-Within-K-Stops
0788-Rotated-Digits
0789-Escape-The-Ghosts
0790-Domino-and-Tromino-Tiling
0791-Custom-Sort-String
0792-Number-of-Matching-Subsequences
0793-Preimage-Size-of-Factorial-Zeroes-Function
0794-Valid-Tic-Tac-Toe-State
0795-Number-of-Subarrays-with-Bounded-Maximum
0796-Rotate-String
0797-All-Paths-From-Source-to-Target
0799-Champagne-Tower
0800-Similar-RGB-Color
0804-Unique-Morse-Code-Words
0805-Split-Array-With-Same-Average
0806-Number-of-Lines-To-Write-String
0807-Max-Increase-to-Keep-City-Skyline
0809-Expressive-Words
0811-Subdomain-Visit-Count
0817-Linked-List-Components
0819-Most-Common-Word
0841-Keys-and-Rooms
0852-Peak-Index-in-a-Mountain-Array
0853-Car-Fleet
0854-K-Similar-Strings
0855-Exam-Room
0856-Score-of-Parentheses
0857-Minimum-Cost-to-Hire-K-Workers
0858-Mirror-Reflection
0859-Buddy-Strings
0860-Lemonade-Change
0861-Score-After-Flipping-Matrix
0863-All-Nodes-Distance-K-in-Binary-Tree
0864-Shortest-Path-to-Get-All-Keys
0865-Smallest-Subtree-with-all-the-Deepest-Nodes
0866-Prime-Palindrome
0867-Transpose-Matrix
0868-Binary-Gap
0869-Reordered-Power-of-2
0870-Advantage-Shuffle
0871-Minimum-Number-of-Refueling-Stops
0872-Leaf-Similar-Trees
0873-Length-of-Longest-Fibonacci-Subsequence
0874-Walking-Robot-Simulation
0875-Koko-Eating-Bananas
0876-Middle-of-the-Linked-List
0877-Stone-Game
0878-Nth-Magical-Number
0879-Profitable-Schemes
0880-Decoded-String-at-Index
0881-Boats-to-Save-People
0882-Reachable-Nodes-In-Subdivided-Graph
0883-Projection-Area-of-3D-Shapes
0884-Uncommon-Words-from-Two-Sentences
0885-Spiral-Matrix-III
0886-Possible-Bipartition
0888-Fair-Candy-Swap
0889-Construct-Binary-Tree-from-Preorder-and-Postorder-Traversal
0890-Find-and-Replace-Pattern
0891-Sum-of-Subsequence-Widths
0892-Surface-Area-of-3D-Shapes
0893-Groups-of-Special-Equivalent-Strings
0894-All-Possible-Full-Binary-Trees
0895-Maximum-Frequency-Stack
0896-Monotonic-Array
0897-Increasing-Order-Search-Tree
0898-Bitwise-ORs-of-Subarrays
0899-Orderly-Queue
0900-RLE-Iterator
0901-Online-Stock-Span
0902-Numbers-At-Most-N-Given-Digit-Set
0903-Valid-Permutations-for-DI-Sequence
0904-Fruit-Into-Baskets
0905-Sort-Array-By-Parity
0906-Super-Palindromes
0907-Sum-of-Subarray-Minimums
0908-Smallest-Range-I
0909-Snakes-and-Ladders
0910-Smallest-Range-II
0911-Online-Election
0913-Cat-and-Mouse-Game
0914-X-of-a-Kind-in-a-Deck-of-Cards
0915-Partition-Array-into-Disjoint-Intervals
0916-Word-Subsets
0917-Reverse-Only-Letters
0918-Maximum-Sum-Circular-Subarray
0919-Complete-Binary-Tree-Inserter
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
0926-Flip-String-to-Monotone-Increasing
0927-Three-Equal-Parts
0928-Minimize-Malware-Spread-II
0929-Unique-Email-Addresses
0930-Binary-Subarrays-With-Sum
0931-Minimum-Path-Falling-Sum
0932-Beautiful-Array
0933-Number-of-Recent-Calls
0934-Shortest-Bridge
0935-Knight-Dialer
0936-Stamping-The-Sequence
0937-Reorder-Log-File
0938-Range-Sum-of-BST
0939-Minimum-Area-Rectangle
0940-Distinct-Subsequences-II
0941-Valid-Mountain-Array
0942-DI-String-Match
0943-Find-the-Shortest-Superstring
0944-Delete-Columns-to-Make-Sorted
0945-Minimum-Increment-to-Make-Array-Unique
0946-Validate-Stack-Sequences
0947-Most-Stones-Removed-with-Same-Row-or-Column
0948-Bag-of-Tokens
0949-Largest-Time-for-Given-Digits
0950-Reveal-Cards-In-Increasing-Order
0951-Flip-Equivalent-Binary-Trees
0952-Largest-Component-Size-by-Common-Factor
0953-Verifying-an-Alien-Dictionary
0954-canReorderDoubled
0955-Delete-Columns-to-Make-Sorted-II
0957-Prison-Cells-After-N-Days
0958-Check-Completeness-of-a-Binary-Tree
0959-Regions-Cut-By-Slashes
0960-Delete-Columns-to-Make-Sorted-III
0969-Pancake-Sorting
0970-Powerful-Integers
0971-Flip-Binary-Tree-To-Match-Preorder-Traversal
0972-Equal-Rational-Numbers
0973-K-Closest-Points-to-Origin
0974-Subarray-Sums-Divisible-by-K
0976-Largest-Perimeter-Triangle
0977-Squares-of-a-Sorted-Arrays
0978-Longest-Turbulent-Subarray
0979-Distribute-Coins-in-Binary-Tree
0980-Unique-Paths-III
0981-Time-Based-Key-Value-Store
0982-Triples-with-Bitwise-AND-Equal-To-Zero
0983-Minimum-Cost-For-Tickets
0984-String-Without-AAA-or-BBB
0985-Sum-of-Even-Numbers-After-Queries
0986-Interval-List-Intersections
0987-Vertical-Order-Traversal-of-a-Binary-Tree
0988-Smallest-String-Starting-From-Leaf
0989-Add-to-Array-Form-of-Integer
0990-Satisfiability-of-Equality-Equations
0991-Broken-Calculator
0992-Subarrays-with-K-Different-Integers
.gitignore
qrcode.jpg
readme.md

cpp-0122

liuyubobobo

0122 solved.

Oct 23, 2017

f53c669 · Oct 23, 2017

History

This branch is 1915 commits behind liuyubobobo/Play-Leetcode:master.

Name	Name	Last commit message	Last commit date
parent directory ..
CMakeLists.txt	CMakeLists.txt	0122 solved.	Oct 23, 2017
main.cpp	main.cpp	0122 solved.	Oct 23, 2017
main2.cpp	main2.cpp	0122 solved.	Oct 23, 2017

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