Files

src
- 0001-Two-Sum
- 0002-Add-Two-Numbers
- 0003-Longest-Substring-Without-Repeating-Characters
- 0004-Median-of-Two-Sorted-Arrays
- 0005-Longest-Palindromic-Substring
- 0006-ZigZag-Conversion
- 0007-Reverse-Integer
- 0008-String-to-Integer-(atoi)
- 0009-Palindrome-Number
- 0010-Regular-Expression-Matching
- 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()
- 0029-Divide-Two-Integers
- 0030-Substring-with-Concatenation-of-All-Words
- 0031-Next-Permutation
- 0032-Longest-Valid-Parentheses
- 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
- 0038-Count-and-Say
- 0039-Combination-Sum
- 0040-Combination-Sum-II
- 0041-First-Missing-Positive
- 0042-Trapping-Rain-Water
- 0043-Multiply-Strings
- 0044-Wildcard-Matching
- 0045-Jump-Game-II
- 0046-Permutations
- 0047-Permutations-II
- 0048-Rotate-Image
- 0049-Group-Anagrams
- 0050-Pow(x,n)
- 0051-N-Queens
- 0052-N-Queens-II
- 0053-Maximum-Subarray
- 0054-Spiral-Matrix
- 0055-Jump-Game
- 0056-Merge-Intervals
- 0057-Insert-Interval
- 0058-Length-of-Last-Word
- 0059-Spiral-Matrix-II
- 0060-Permutation-Sequence
- 0061-Rotate-List
- 0062-Unique-Paths
- 0063-Unique-Paths-II
- 0064-Minimum-Path-Sum
- 0065-Valid-Number
- 0066-Plus-One
- 0067-Add-Binary
- 0068-Text-Justification
- 0069-Sqrt(x)
- 0070-Climbing-Stairs
- 0071-Simplify-Path
- 0072-Edit-Distance
- 0073-Set-Matrix-Zeroes
- 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
- 0085-Maximal-Rectangle
- 0086-Partition-List
- 0087-Scramble-String
- 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
- 0097-Interleaving-String
- 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
- 0115-Distinct-Subsequences
- 0116-Populating-Next-Right-Pointers-in-Each-Node
- 0117-Populating-Next-Right-Pointers-in-Each-Node-II
- 0118-Pascal's-Triangle
- 0119-Pascal's-Triangle-II
- 0120-Triangle
- 0121-Best-Time-to-Buy-and-Sell-Stock
- 0122-Best-Time-to-Buy-and-Sell-Stock-II
- 0123-Best-Time-to-Buy-and-Sell-Stock-III
- 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
- 0132-Palindrome-Partitioning-II
- 0133-Clone-Graph
- 0134-Gas-Station
- 0135-Candy
- 0136-Single-Number
- 0137-Single-Number-II
- 0138-Copy-List-with-Random-Pointer
- 0139-Word-Break
- 0140-Word-Break-II
- 0141-Linked-List-Cycle
- 0142-Linked-List-Cycle-II
- 0143-Reorder-List
- 0144-Binary-Tree-Preorder-Traversal
- 0145-Binary-Tree-Postorder-Traversal
- 0146-LRU-Cache
- 0147-Insertion-Sort-List
- 0148-Sort-List
- 0149-Max-Points-on-a-Line
- 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
- 0165-Compare-Version-Numbers
- 0166-Fraction-to-Recurring-Decimal
- 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
- 0188-Best-Time-to-Buy-and-Sell-Stock-IV
- 0189-Rotate-Array
- 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
- 0221-Maximal-Square
- 0222-Count-Complete-Tree-Nodes
- 0223-Rectangle-Area
- 0224-Basic-Calculator
- 0226-Invert-Binary-Tree
- 0228-Summary-Ranges
- 0229-Majority-Element-II
- 0230-Kth-Smallest-Element-in-a-BST
- 0231-Power-of-Two
- 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
- 0253-Meeting-Rooms-II
- 0257-Binary-Tree-Paths
- 0260-Single-Number-III
- 0263-Ugly-Number
- 0264-Ugly-Number-II
- 0268-Missing-Number
- 0274-H-Index
- 0275-H-Index-II
- 0278-First-Bad-Version
- 0279-Perfect-Squares
- 0283-Move-Zeroes
- 0287-Find-the-Duplicate-Number
- 0289-Game-of-Life
- 0290-Word-Pattern
- 0297-Serialize-and-Deserialize-Binary-Tree
- 0300-Longest-Increasing-Subsequence
- 0303-Range-Sum-Query-Immutable
- 0307-Range-Sum-Query-Mutable
- 0309-Best-Time-to-Buy-and-Sel-Stock-with-Cooldown
- 0310-Insert-Delete-GetRandom-O(1)
- 0316-Remove-Duplicate-Letters
- 0319-Bulb-Switcher
- 0322-Coin-Change
- 0325-Maximum-Size-Subarray-Sum-Equals-k
- 0326-Power-of-Three
- 0328-Odd-Even-Linked-List
- 0331-Verify-Preorder-Serialization-of-a-Binary-Tree
- 0337-House-Robber-III
- 0341-Flatten-Nested-List-Iterator
- 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
- 0352-Data-Stream-as-Disjoint-Intervals
- 0354-Russian-Doll-Envelopes
- 0365-Water-and-Jug-Problem
- 0371-Sum-of-Two-Integers
- 0377-Combination-Sum-IV
- 0384-Shuffle-an-Array
- 0384-shuffle-an-array
- 0389-Find-the-Difference
- 0392-Is-Subsequence
- 0401-Binary-Watch
- 0404-Sum-of-Left-Leaves
- 0409-Longest-Palindrome
- 0416-Partition-Equal-Subset-Sum
- 0423-Reconstruct-Original-Digits-from-English
- 0423-reconstruct-original-digits-from-english
- 0424-Longest-Repeating-Character-Replacement
- 0435-Non-overlapping-Intervals
- 0437-Path-Sum-III
- 0438-Find-All-Anagrams-in-a-String
- 0445-Add-Two-Numbers-II
- 0446-Arithmetic-Slices-II-Subsequence
- 0447-Number-of-Boomerangs
- 0450-Delete-Node-in-a-BST
- 0451-Sort-Characters-By-Frequency
- 0452-Minimum-Number-of-Arrows-to-Burst-Balloons
- 0453-Minimum-Moves-to-Equal-Array-Elements
- 0454-4Sum-II
- 0455-Assign-Cookies
- 0458-Poor-Pigs
- 0459-Repeated-Substring-Pattern
- 0462-Minimum-Moves-to-Equal-Array-Elements-II
- 0473-Matchsticks-to-Square
- 0474-Ones-and-Zeroes
- 0486-Predict-the-Winner
- 0492-Construct-the-Rectangle
- 0494-Target-Sum
- 0496-Next-Greater-Element-I
- 0503-Next-Greater-Element-II
- 0520-Detect-Capital
- 0524-Longest-Word-in-Dictionary-through-Deleting
- 0525-Contiguous-Array
- 0528-Random-Pick-with-Weight
- 0530-Minimum-Absolute-Difference-in-BST
- 0543-Diameter-of-Binary-Tree
- 0547-Friend-Circles
- 0559-Maximum-Depth-of-N-ary-Tree
- 0559-maximum-depth-of-n-ary-tree
- 0560-Subarray-Sum-Equals-K
- 0567-Permutation-in-String
- 0583-Delete-Operation-for-Two-Strings
- 0587-Erect-the-Fence
- 0594-Longest-Harmonious-Subsequence
- 0594-longest-harmonious-subsequence
- 0605-Can-Place-Flowers
- 0637-Average-of-Levels-in-Binary-Tree
- 0650-2-Keys-Keyboard
- 0652-Find-Duplicate-Subtrees
- 0653-Two-Sum-IV-Input-is-a-BST
- 0654-Maximum-Binary-Tree
- 0678-Valid-Parenthesis-String
- 0684-Redundant-Connection
- 0687-Longest-Univalue-Path
- 0695-Max-Area-of-Island
- 0697-Degree-of-an-Array
- 0698-Partition-to-K-Equal-Sum-Subsets
- 0700-Search-in-a-Binary-Search-Tree
- 0733-Flood-Fill
- 0739-Daily-Temperatures
- 0742-Closest-Leaf-in-a-Binary-Tree
- 0776-Toeplitz-Matrix
- 0783-Minimum-Distance-Between-BST-Nodes
- 0788-Rotated-Digits
- 0790-Domino-and-Tromino-Tiling
- 0793-Preimage-Size-of-Factorial-Zeroes-Function
- 0795-Number-of-Subarrays-with-Bounded-Maximum
- 0813-Largest-Sum-of-Averages
- 0820-Short-Encoding-of-Words
- 0824-Goat-Latin
- 0825-Friends-Of-Appropriate-Ages
- 0826-Most-Profit-Assigning-Work
- 0827-Making-A-Large-Island
- 0828-Unique-Letter-String
- 0829-Consecutive-Numbers-Sum
- 0832-Flipping-an-Image
- 0834-Sum-of-Distances-in-Tree
- 0836-Rectangle-Overlap
- 0844-Backspace-String-Compare
- 0845-Longest-Mountain-in-Array
- 0846-Hand-of-Straights
- 0847-Shortest-Path-Visiting-All-Nodes
- 0852-Peak-Index-in-a-Mountain-Array
- 0857-Minimum-Cost-to-Hire-K-Workers
- 0859-Buddy-Strings
- 0859-buddy-strings
- 0872-Leaf-Similar-Trees
- 0873-Length-of-Longest-Fibonacci-Subsequence
- 0874-Walking-Robot-Simulation
- 0876-Middle-of-the-Linked-List
- 0878-Nth-Magical-Number
- 0891-Sum-of-Subsequence-Widths
- 0892-Surface-Area-of-3D-Shapes
- 0895-Maximum-Frequency-Stack
- 0901-Online-Stock-Span
- 0902-Numbers-At-Most-N-Given-Digit-Set
- 0904-Fruit-Into-Baskets
- 0907-Sum-of-Subarray-Minimums
- 0914-X-of-a-Kind-in-a-Deck-of-Cards
- 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
- 0925-Long-Pressed-Name
- 0926-Flip-String-to-Monotone-Increasing
- 0927-Three-Equal-Parts
- 0929-Unique-Email-Addresses
- 0930-Binary-Subarrays-With-Sum
- 0931-Minimum-Falling-Path-Sum
- 0932-Beautiful-Array
- 0933-Number-of-Recent-Calls
- 0934-Shortest-Bridge
- 0935-Knight-Dialer
- 0936-Stamping-The-Sequence
- 0937-Reorder-Log-Files
- 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
- 0953-Verifying-an-Alien-Dictionary
- 0954-Array-of-Doubled-Pairs
- 0955-Delete-Columns-to-Make-Sorted-II
- 0956-Tallest-Billboard
- 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
- 0961-N-Repeated-Element-in-Size-2N-Array
- 0962-Maximum-Width-Ramp
- 0963-Minimum-Area-Rectangle-II
- 0965-Univalued-Binary-Tree
- 0966-Vowel-Spellchecker
- 0967-Numbers-With-Same-Consecutive-Differences
- 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
- 0975-Odd-Even-Jump
- 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
- 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
- 0993-Cousins-in-Binary-Tree
- 0994-Rotting-Oranges
- 0995-Minimum-Number-of-K-Consecutive-Bit-Flips
- 0996-Number-of-Squareful-Arrays
- 0997-Find-the-Town-Judge
- 0998-Maximum-Binary-Tree-II
- 0999-Available-Captures-for-Rook
- 1000-Minimum-Cost-to-Merge-Stones
- 1001-Grid-Illumination
- 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
- 1006-Clumsy-Factorial
- 1007-Minimum-Domino-Rotations-For-Equal-Row
- 1008-Construct-Binary-Search-Tree-from-Preorder-Traversal
- 1009-Complement-of-Base-10-Integer
- 1010-Pairs-of-Songs-With-Total-Durations-Divisible-by-60
- 1011-Capacity-To-Ship-Packages-Within-D-Days
- 1012-Numbers-With-Repeated-Digits
- 1013-Partition-Array-Into-Three-Parts-With-Equal-Sum
- 1014-Best-Sightseeing-Pair
- 1015-Smallest-Integer-Divisible-by-K
- 1017-Convert-to-Base-2
- 1018-Binary-Prefix-Divisible-By-5
- 1019-Next-Greater-Node-In-Linked-List
- 1020-Number-of-Enclaves
- 1021-Remove-Outermost-Parentheses
- 1022-Sum-of-Root-To-Leaf-Binary-Numbers
- 1023-Camelcase-Matching
- 1024-Video-Stitching
- 1025-Divisor-Game
- 1026-Maximum-Difference-Between-Node-and-Ancestor
- 1027-Longest-Arithmetic-Sequence
- 1033-Moving-Stones-Until-Consecutive
- 1034-Coloring-A-Border
- 1035-Uncrossed-Lines
- 1037-Valid-Boomerang
- 1038-Binary-Search-Tree-to-Greater-Sum-Tree
- 1039-Minimum-Score-Triangulation-of-Polygon
- 1041-Robot-Bounded-In-Circle
- 1042-Flower-Planting-With-No-Adjacent
- 1043-Partition-Array-for-Maximum-Sum
- 1046-Last-Stone-Weight
- 1047-Remove-All-Adjacent-Duplicates-In-String
- 1048-Longest-String-Chain
- 1049-Last-Stone-Weight-II
- 1051-Height-Checker
- 1052-Grumpy-Bookstore-Owner
- 1053-Previous-Permutation-With-One-Swap
- 1054-Distant-Barcodes
- 1061-Lexicographically-Smallest-Equivalent-String
- 1064-Fixed-Point
- 1065-Index-Pairs-of-a-String
- 1066-Campus-Bikes-II
- 1067-Digit-Count-in-Range
- 1071-Greatest-Common-Divisor-of-Strings
- 1072-Flip-Columns-For-Maximum-Number-of-Equal-Rows
- 1073-Adding-Two-Negabinary-Numbers
- 1074-Number-of-Submatrices-That-Sum-to-Target
- 1078-Occurrences-After-Bigram
- 1079-Letter-Tile-Possibilities
- 1080-Insufficient-Nodes-in-Root-to-Leaf-Paths
- 1081-Smallest-Subsequence-of-Distinct-Characters
- 1085-Sum-of-Digits-in-the-Minimum-Number
- 1086-High-Five
- 1087-Brace-Expansion
- 1089-Duplicate-Zeros
- 1090-Largest-Values-From-Labels
- 1091-Shortest-Path-in-Binary-Matrix
- 1093-Statistics-from-a-Large-Sample
- 1094-Car-Pooling
- 1095-Find-in-Mountain-Array
- 1096-Brace-Expansion-II
- 1099-Two-Sum-Less-Than-K
- 1100-Find-K-Length-Substrings-With-No-Repeated-Characters
- 1101-The-Earliest-Moment-When-Everyone-Become-Friends
- 1102-Path-With-Maximum-Minimum-Value
- 1103-Distribute-Candies-to-People
- 1104-Path-In-Zigzag-Labelled-Binary-Tree
- 1105-Filling-Bookcase-Shelves
- 1106-Parsing-A-Boolean-Expression
- 1108-Defanging-an-IP-Address
- 1109-Corporate-Flight-Bookings
- 1110-Delete-Nodes-And-Return-Forest
- 1111-Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings
- 1118-Number-of-Days-in-a-Month
- 1119-Remove-Vowels-from-a-String
- 1120-Maximum-Average-Subtree
- 1121-Divide-Array-Into-Increasing-Sequences
- 1122-Relative-Sort-Array
- 1123-Lowest-Common-Ancestor-of-Deepest-Leaves
- 1124-Longest-Well-Performing-Interval
- 1125-Smallest-Sufficient-Team
- 1128-Number-of-Equivalent-Domino-Pairs
- 1129-Shortest-Path-with-Alternating-Colors
- 1130-Minimum-Cost-Tree-From-Leaf-Values
- 1131-Maximum-of-Absolute-Value-Expression
- 1133-Largest-Unique-Number
- 1134-Armstrong-Number
- 1135-Connecting-Cities-With-Minimum-Cost
- 1136-Parallel-Courses
- 1137-N-th-Tribonacci-Number
- 1138-Alphabet-Board-Path
- 1139-Largest-1-Bordered-Square
- 1140-Stone-Game-II
- 1143-Longest-Common-Subsequence
- 1144-Decrease-Elements-To-Make-Array-Zigzag
- 1145-Binary-Tree-Coloring-Game
- 1146-Snapshot-Array
- 1147-Longest-Chunked-Palindrome-Decomposition
- 1150-Check-If-a-Number-Is-Majority-Element-in-a-Sorted-Array
- 1151-Minimum-Swaps-to-Group-All-1's-Together
- 1152-Analyze-User-Website-Visit-Pattern
- 1153-String-Transforms-Into-Another-String
- 1154-Day-of-the-Year
- 1155-Number-of-Dice-Rolls-With-Target-Sum
- 1156-Swap-For-Longest-Repeated-Character-Substring
- 1157-Online-Majority-Element-In-Subarray
- 1160-Find-Words-That-Can-Be-Formed-by-Characters
- 1161-Maximum-Level-Sum-of-a-Binary-Tree
- 1162-As-Far-from-Land-as-Possible
- 1165-Single-Row-Keyboard
- 1166-Design-File-System
- 1167-Minimum-Cost-to-Connect-Sticks
- 1168-Optimize-Water-Distribution-in-a-Village
- 1169-Invalid-Transactions
- 1170-Compare-Strings-by-Frequency-of-the-Smallest-Character
- 1171-Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List
- 1172-Dinner-Plate-Stacks
- 1175-Prime-Arrangements
- 1176-Diet-Plan-Performance
- 1184-Distance-Between-Bus-Stops
- 1185-Day-of-the-Week
- 1186-Maximum-Subarray-Sum-with-One-Deletion
- 1187-Make-Array-Strictly-Increasing
- 1189-Maximum-Number-of-Balloons
- 1190-Reverse-Substrings-Between-Each-Pair-of-Parentheses
- 1191-K-Concatenation-Maximum-Sum
- 1192-Critical-Connections-in-a-Network
- 1196-How-Many-Apples-Can-You-Put-into-the-Basket
- 1197-Minimum-Knight-Moves
- 1198-Find-Smallest-Common-Element-in-All-Rows
- 1199-Minimum-Time-to-Build-Blocks
- 1200-Minimum-Absolute-Difference
- 1201-Ugly-Number-III
- 1202-Smallest-String-With-Swaps
- 1207-Unique-Number-of-Occurrences
- 1208-Get-Equal-Substrings-Within-Budget
- 1209-Remove-All-Adjacent-Duplicates-in-String-II
- 1210-Minimum-Moves-to-Reach-Target-with-Rotations
- 1213-Intersection-of-Three-Sorted-Arrays
- 1214-Two-Sum-BSTs
- 1215-Stepping-Numbers
- 1216-Valid-Palindrome-III
- 1217-Play-with-Chips
- 1218-Longest-Arithmetic-Subsequence-of-Given-Difference
- 1219-Path-with-Maximum-Gold
- 1220-Count-Vowels-Permutation
- 1221-Split-a-String-in-Balanced-Strings
- 1222-Queens-That-Can-Attack-the-King
- 1223-Dice-Roll-Simulation
- 1224-Maximum-Equal-Frequency
- 1228-Missing-Number-In-Arithmetic-Progression
- 1229-Meeting-Scheduler
- 1230-Toss-Strange-Coins
- 1231-Divide-Chocolate
- 1232-Check-If-It-Is-a-Straight-Line
- 1233-Remove-Sub-Folders-from-the-Filesystem
- 1234-Replace-the-Substring-for-Balanced-String
- 1235-Maximum-Profit-in-Job-Scheduling
- 1237-Find-Positive-Integer-Solution-for-a-Given-Equation
- 1238-Circular-Permutation-in-Binary-Representation
- 1239-Maximum-Length-of-a-Concatenated-String-with-Unique-Characters
- 1240-Tiling-a-Rectangle-with-the-Fewest-Squares
- 1243-Array-Transformation
- 1244-Design-A-Leaderboard
- 1245-Tree-Diameter
- 1246-Palindrome-Removal
- 1247-Minimum-Swaps-to-Make-Strings-Equal
- 1248-Count-Number-of-Nice-Subarrays
- 1249-Minimum-Remove-to-Make-Valid-Parentheses
- 1250-Check-If-It-Is-a-Good-Array
- 1252-Cells-with-Odd-Values-in-a-Matrix
- 1253-Reconstruct-a-2-Row-Binary-Matrix
- 1254-Number-of-Closed-Islands
- 1255-Maximum-Score-Words-Formed-by-Letters
- 1256-Encode-Number
- 1257-Smallest-Common-Region
- 1258-Synonymous-Sentences
- 1259-Handshakes-That-Don't-Cross
- 1260-Shift-2D-Grid
- 1261-Find-Elements-in-a-Contaminated-Binary-Tree
- 1262-Greatest-Sum-Divisible-by-Three
- 1263-Minimum-Moves-to-Move-a-Box-to-Their-Target-Location
- 1266-Minimum-Time-Visiting-All-Points
- 1267-Count-Servers-that-Communicate
- 1268-Search-Suggestions-System
- 1269-Number-of-Ways-to-Stay-in-the-Same-Place-After-Some-Steps
- 1271-Hexspeak
- 1272-Remove-Interval
- 1273-Delete-Tree-Nodes
- 1274-Number-of-Ships-in-a-Rectangle
- 1275-Find-Winner-on-a-Tic-Tac-Toe-Game
- 1276-Number-of-Burgers-with-No-Waste-of-Ingredients
- 1277-Count-Square-Submatrices-with-All-Ones
- 1278-Palindrome-Partitioning-III
- 1281-Subtract-the-Product-and-Sum-of-Digits-of-an-Integer
- 1282-Group-the-People-Given-the-Group-Size-They-Belong-To
- 1283-Find-the-Smallest-Divisor-Given-a-Threshold
- 1284-Minimum-Number-of-Flips-to-Convert-Binary-Matrix-to-Zero-Matrix
- 1286-Iterator-for-Combination
- 1287-Element-Appearing-More-Than-25%-In-Sorted-Array
- 1288-Remove-Covered-Intervals
- 1289-Minimum-Falling-Path-Sum-II
- 1290-Convert-Binary-Number-in-a-Linked-List-to-Integer
- 1291-Sequential-Digits
- 1292-Maximum-Side-Length-of-a-Square-with-Sum-Less-than-or-Equal-to-Threshold
- 1293-Shortest-Path-in-a-Grid-with-Obstacles-Elimination
- 1295-Find-Numbers-with-Even-Number-of-Digits
- 1296-Divide-Array-in-Sets-of-K-Consecutive-Numbers
- 1297-Maximum-Number-of-Occurrences-of-a-Substring
- 1298-Maximum-Candies-You-Can-Get-from-Boxes
- 1299-Replace-Elements-with-Greatest-Element-on-Right-Side
- 1300-Sum-of-Mutated-Array-Closest-to-Target
- 1301-Number-of-Paths-with-Max-Score
- 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
- 1309-Decrypt-String-from-Alphabet-to-Integer-Mapping
- 1310-XOR-Queries-of-a-Subarray
- 1311-Get-Watched-Videos-by-Your-Friends
- 1313-Decompress-Run-Length-Encoded-List
- 1314-Matrix-Block-Sum
- 1315-Sum-of-Nodes-with-Even-Valued-Grandparent
- 1316-Distinct-Echo-Substrings
- 1317-Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers
- 1318-Minimum-Flips-to-Make-a-OR-b-Equal-to-c
- 1319-Number-of-Operations-to-Make-Network-Connected
- 1320-Minimum-Distance-to-Type-a-Word-Using-Two-Fingers
- 1323-Maximum-69-Number
- 1324-Print-Words-Vertically
- 1325-Delete-Leaves-With-a-Given-Value
- 1326-Minimum-Number-of-Taps-to-Open-to-Water-a-Garden
- 1328-Break-a-Palindrome
- 1329-Sort-the-Matrix-Diagonally
- 1330-Reverse-Subarray-To-Maximize-Array-Value
- 1331-Rank-Transform-of-an-Array
- 1332-Remove-Palindromic-Subsequences
- 1333-Filter-Restaurants-by-Vegan-Friendly,-Price-and-Distance
- 1334-Find-the-City-With-the-Smallest-Number-of-Neighbors-at-a-Threshold-Distance
- 1335-Minimum-Difficulty-of-a-Job-Schedule
- 1337-The-K-Weakest-Rows-in-a-Matrix
- 1338-Reduce-Array-Size-to-The-Half
- 1339-Maximum-Product-of-Splitted-Binary-Tree
- 1340-Jump-Game-V
- 1342-Number-of-Steps-to-Reduce-a-Number-to-Zero
- 1343-Number-of-Sub-arrays-of-Size-K-and-Average-Greater-than-or-Equal-to-Threshold
- 1344-Angle-Between-Hands-of-a-Clock
- 1345-Jump-Game-IV
- 1346-Check-If-N-and-Its-Double-Exist
- 1347-Minimum-Number-of-Steps-to-Make-Two-Strings-Anagram
- 1348-Tweet-Counts-Per-Frequency
- 1349-Maximum-Students-Taking-Exam
- 1351-Count-Negative-Numbers-in-a-Sorted-Matrix
  - 1351.cpp
  - 1351.go
  - 1351.java
  - 1351.js
  - 1351.py
- 1352-Product-of-the-Last-K-Numbers
- 1353-Maximum-Number-of-Events-That-Can-Be-Attended
- 1354-Construct-Target-Array-With-Multiple-Sums
- 1356-Sort-Integers-by-The-Number-of-1-Bits
- 1357-Apply-Discount-Every-n-Orders
- 1358-Number-of-Substrings-Containing-All-Three-Characters
- 1359-Count-All-Valid-Pickup-and-Delivery-Options
- 1360-Number-of-Days-Between-Two-Dates
- 1361-Validate-Binary-Tree-Nodes
- 1362-Closest-Divisors
- 1363-Largest-Multiple-of-Three
- 1365-How-Many-Numbers-Are-Smaller-Than-the-Current-Number
- 1366-Rank-Teams-by-Votes
- 1367-Linked-List-in-Binary-Tree
- 1368-Minimum-Cost-to-Make-at-Least-One-Valid-Path-in-a-Grid
- 1370-Increasing-Decreasing-String
- 1371-Find-the-Longest-Substring-Containing-Vowels-in-Even-Counts
- 1372-Longest-ZigZag-Path-in-a-Binary-Tree
- 1373-Maximum-Sum-BST-in-Binary-Tree
- 1374-Generate-a-String-With-Characters-That-Have-Odd-Counts
- 1375-Bulb-Switcher-III
- 1376-Time-Needed-to-Inform-All-Employees
- 1377-Frog-Position-After-T-Seconds
- 1380-Lucky-Numbers-in-a-Matrix
- 1381-Design-a-Stack-With-Increment-Operation
- 1382-Balance-a-Binary-Search-Tree
- 1383-Maximum-Performance-of-a-Team
- 1385-Find-the-Distance-Value-Between-Two-Arrays
- 1386-Cinema-Seat-Allocation
- 1387-Sort-Integers-by-The-Power-Value
- 1388-Pizza-With-3n-Slices
- 1389-Create-Target-Array-in-the-Given-Order
- 1390-Four-Divisors
- 1391-Check-if-There-is-a-Valid-Path-in-a-Grid
- 1392-Longest-Happy-Prefix
- 1394-Find-Lucky-Integer-in-an-Array
- 1395-Count-Number-of-Teams
- 1396-Design-Underground-System
- 1397-Find-All-Good-Strings
- 1399-Count-Largest-Group
- 1400-Construct-K-Palindrome-Strings
- 1401-Circle-and-Rectangle-Overlapping
- 1402-Reducing-Dishes
- 1403-Minimum-Subsequence-in-Non-Increasing-Order
- 1404-Number-of-Steps-to-Reduce-a-Number-in-Binary-Representation-to-One
- 1405-Longest-Happy-String
- 1406-Stone-Game-III
- 1408-String-Matching-in-an-Array
- 1409-Queries-on-a-Permutation-With-Key
- 1410-HTML-Entity-Parser
- 1411-Number-of-Ways-to-Paint-N×3-Grid
- 1413-Minimum-Value-to-Get-Positive-Step-by-Step-Sum
- 1414-Find-the-Minimum-Number-of-Fibonacci-Numbers-Whose-Sum-Is-K
- 1415-The-k-th-Lexicographical-String-of-All-Happy-Strings-of-Length-n
- 1416-Restore-The-Array
- 1417-Reformat-The-String
- 1418-Display-Table-of-Food-Orders-in-a-Restaurant
- 1419-Minimum-Number-of-Frogs-Croaking
- 1420-Build-Array-Where-You-Can-Find-The-Maximum-Exactly-K-Comparisons
- 1422-Maximum-Score-After-Splitting-a-String
- 1423-Maximum-Points-You-Can-Obtain-from-Cards
- 1424-Diagonal-Traverse-II
- 1425-Constrained-Subsequence-Sum
- 1431-Kids-With-the-Greatest-Number-of-Candies
- 1432-Max-Difference-You-Can-Get-From-Changing-an-Integer
- 1433-Check-If-a-String-Can-Break-Another-String
- 1434-Number-of-Ways-to-Wear-Different-Hats-to-Each-Other
- 1436-Destination-City
- 1437-Check-If-All-1's-Are-at-Least-Length-K-Places-Away
- 1438-Longest-Continuous-Subarray-With-Absolute-Diff-Less-Than-or-Equal-to-Limit
- 1439-Find-the-Kth-Smallest-Sum-of-a-Matrix-With-Sorted-Rows
- 1441-Build-an-Array-With-Stack-Operations
- 1442-Count-Triplets-That-Can-Form-Two-Arrays-of-Equal-XOR
- 1443-Minimum-Time-to-Collect-All-Apples-in-a-Tree
- 1444-Number-of-Ways-of-Cutting-a-Pizza
- 1470-Shuffle-the-Array
- 1472-Design-Browser-History
- 1523-Count-Odd-Numbers-in-an-Interval-Range
- 1546-Maximum-Number-of-Non-Overlapping-Subarrays-With-Sum-Equals-Target
- 1574-Shortest-Subarray-To-Be-Removed-To-Make-Array-Sorted
- 1604-Alert-Using-Same-Key-Card-Three-or-More-Times-in-a-One-Hour-Period
- 1616-Split-Two-Strings-to-Make-Palindrome
- 1626-Best-Team-With-No-Conflicts
- 1657-Determine-if-Two-Strings-Are-Close
- 1658-Minimum-Operations-to-Reduce-X-to-Zero
- 1664-Ways-to-Make-a-Fair-Array
- 1669-Merge-In-Between-Linked-Lists
- 1673-Find-the-Most-Competitive-Subsequence
- 1691-Maximum-Height-by-Stacking-Cuboids
- 1704-Determine-if-String-Halves-Are-Alike
- 1732-Find-the-Highest-Altitude
- 1739-Building-Boxes
- 1742-Maximum-Number-of-Balls-in-a-Box
- 1750-Minimum-Length-of-String-After-Deleting-Similar-Ends
- 1752-Check-if-Array-Is-Sorted-and-Rotated
- 1754-Largest-Merge-Of-Two-Strings
- 1758-Minimum-Changes-To-Make-Alternating-Binary-String
- 1759-Count-Number-of-Homogenous-Substrings
- 1779-Find-Nearest-Point-That-Has-the-Same-X-or-Y-Coordinate
- 1780-Check-if-Number-is-a-Sum-of-Powers-of-Three
- 1781-Sum-of-Beauty-of-All-Substrings
- 1796-Second-Largest-Digit-in-a-String
- 1798-Maximum-Number-of-Consecutive-Values-You-Can-Make
- 1801-Number-of-Orders-in-the-Backlog
- 1802-Maximum-Value-at-a-Given-Index-in-a-Bounded-Array
- 1805-Number-of-Different-Integers-in-a-String
- 1806-Minimum-Number-of-Operations-to-Reinitialize-a-Permutation
- 1807-Evaluate-the-Bracket-Pairs-of-a-String
- 1812-Determine-Color-of-a-Chessboard-Square
- 1813-Sentence-Similarity-III
- 1814-Count-Nice-Pairs-in-an-Array
- 1819-Number-of-Different-Subsequences-GCDs
- 1827-Minimum-Operations-to-Make-the-Array-Increasing
- 1832-Check-if-the-Sentence-is-Pangram
- 1833-Maximum-Ice-Cream-Bars
- 1834-Single-Threaded-CPU
- 1926-Nearest-Exit-from-Entrance-in-Maze
- 1962-Remove-Stones-to-Minimize-the-Total
- 2011-Final-Value-of-Variable-After-Performing-Operations
- 2027-Minimum-Moves-to-Convert-String
- 2032-Two-Out-of-Three
- 2037-Minimum-Number-of-Moves-to-Seat-Everyone
- 2042-Check-if-Numbers-Are-Ascending-in-a-Sentence
- 2180-Count-Integers-With-Even-Digit-Sum
- 2185-Counting-Words-With-a-Given-Prefix
- 2225-Find-Players-With-Zero-or-One-Losses
- 2244-Minimum-Rounds-to-Complete-All-Tasks
- 2256-Minimum-Average-Difference
- 2279-Maximum-Bags-With-Full-Capacity-of-Rocks
- 2287-Rearrange-Characters-to-Make-Target-String
- 2293-Min-Max-Game
- 2315-Count-Asterisks
- 2319-Check-if-Matrix-Is-X-Matrix
- 2325-Decode-the-Message
- 2331-Evaluate-Boolean-Binary-Tree
- 2341-Maximum-Number-of-Pairs-in-Array
- 2347-Best-Poker-Hand
- 2351-First-Letter-to-Appear-Twice
- 2357-Make-Array-Zero-by-Subtracting-Equal-Amounts
- 2389-Longest-Subsequence-With-Limited-Sum
- 2395-Find-Subarrays-With-Equal-Sum
- 2427-Number-of-Common-Factors
- 2439-Minimize-Maximum-of-Array
- 2469-Convert-the-Temperature
- 2470-Number-of-Subarrays-With-LCM-Equal-to-K
- 2471-Minimum-Number-of-Operations-to-Sort-a-Binary-Tree-by-Level
- 2477-Minimum-Fuel-Cost-to-Report-to-the-Capital
- 2549-Count-Distinct-Numbers-on-Board
- 2550-Count-Collisions-of-Monkeys-on-a-Polygon
- 2551-Put-Marbles-in-Bags
- addProb.py
- addProg.py
test
util
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1351-Count-Negative-Numbers-in-a-Sorted-Matrix

Feb 16, 2020

8278594 · Feb 16, 2020

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1351.cpp	1351.cpp	add 1351	Feb 16, 2020
1351.go	1351.go	add 1351	Feb 16, 2020
1351.java	1351.java	add 1351	Feb 16, 2020
1351.js	1351.js	add 1351	Feb 16, 2020
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