Files

Binary Prefix Divisible By 5
Binary Search Tree to Greater Sum Tree
Binary String With Substrings Representing 1 To N
Camelcase Matching
Car Pooling
Coloring A Border
Convert to Base -2
Defanging an IP Address
Delete Nodes And Return Forest
Distant Barcodes
Distribute Candies to People
Divisor Game
Duplicate Zeros
Escape a Large Maze
Filling Bookcase Shelves
Find in Mountain Array
Flip Columns For Maximum Number of Equal Rows
Flower Planting With No Adjacent
Greatest Common Divisor of Strings
Grumpy Bookstore Owner
Height Checker
Insufficient Nodes in Root to Leaf Paths
Largest Values From Labels
Last Stone Weight II
Last Stone Weight
Letter Tile Possibilities
Longest Arithmetic Sequence
Longest String Chain
Longest Well-Performing Interval
Matrix Cells in Distance Order
Maximum Difference Between Node and Ancestor
Maximum Sum of Two Non-Overlapping Subarrays
Minimum Number of K Consecutive Bit Flips
Minimum Score Triangulation of Polygon
Moving Stones Until Consecutive II
Moving Stones Until Consecutive
Next Greater Element I
Next Greater Element II
Next Greater Element III
Next Greater Node In Linked List
Number of Enclaves
Number of Submatrices That Sum to Target
Occurrences After Bigram
Pacific Atlantic Water Flow
Parsing A Boolean Expression
Partition Array for Maximum Sum
Path In Zigzag Labelled Binary Tree
Peak Index in a Mountain Array
Perfect Rectangle
Previous Permutation With One Swap
Recover a Tree From Preorder Traversal
- Recover a Tree From Preorder Traversal.java
- Recover a Tree From Preorder Traversal.py
Remove All Adjacent Duplicates In String
Remove Duplicate Letters
Remove Outermost Parentheses
Robot Bounded In Circle
Shortest Common Supersequence
Shortest Path in Binary Matrix
Smallest Subsequence of Distinct Characters
Stream of Characters
Sum of Root To Leaf Binary Numbers
Two City Scheduling
Uncrossed Lines
Valid Boomerang
Video Stitching
3Sum With Multiplicity.java
Add Two Numbers II.java
Add Two Numbers.java
Add to Array-Form of Integer.java
Advantage Shuffle.java
All Nodes Distance K in Binary Tree.java
All Paths From Source to Target.java
All Possible Full Binary Trees.java
Alphabet Board Path.java
Ambiguous Coordinates.java
Array Nesting.java
As Far from Land as Possible.java
Asteroid Collision.java
Average of Levels in Binary Tree.java
Base 7.java
Baseball Game.java
Basic Calculator II.java
Basic Calculator.java
Beautiful Array.java
Best Sightseeing Pair.java
Best Time to Buy and Sell Stock I.java
Best Time to Buy and Sell Stock II.java
Best Time to Buy and Sell Stock III.java
Best Time to Buy and Sell Stock IV.java
Best Time to Buy and Sell Stock with Cooldown.java
Best Time to Buy and Sell Stock with Transaction Fee.java
Binary Index Tree Template.java
Binary Tree Cameras.java
Binary Tree Coloring Game.java
Binary Trees With Factors.java
Bitwise ORs of Subarrays.java
Bomb Enemy.java
Bricks Falling When Hit.java
Broken Calculator.java
Burst Balloons.java
Bus Routes.java
Can I Win.java
Can Make Palindrome from Substring.java
Can Place Flowers.java
Candy.java
Capacity To Ship Packages Within D Days.java
Card Flipping Game.java
Cells with Odd Values in a Matrix.java
Champagne Tower.java
Cheapest Flights Within K Stops.java
Check If It Is a Good Array.java
Check If Word Is Valid After Substitutions.java
Cherry Pickup.java
Closest Leaf in a Binary Tree.java
Combination Sum II.java
Combination Sum III.java
Combination Sum IV.java
Combination Sum.java
Compare Strings by Frequency of the Smallest Character.java
Complement of Base 10 Integer.java
Consecutive Numbers Sum.java
Construct Binary Tree from String.java
Construct String from Binary Tree.java
Continuous Subarray Sum.java
Convert BST to Greater Tree.java
Convex Polygon.java
Corporate Flight Bookings.java
Count Complete Tree Nodes.java
Count Number of Binary Strings Without Consecutive 1’s.java
Count Number of Nice Subarrays.java
Count Primes.java
Count Vowels Permutation.java
Count of Smaller Numbers After Self.java
Course Schedule III.java
Cousins in Binary Tree.java
Cracking the Safe.java
Critical Connections in a Network.java
Daily Temperatures.java
Day of the Week.java
Decode String.java
Decode Ways II.java
Decode Ways.java
Decrease Elements To Make Array Zigzag.java
Degree of an Array.java
Delete and Earn.java
Design Twitter.java
Different Ways to Add Parentheses.java
Dinner Plate Stacks.java
Distance Between Bus Stops.java
Distinct Subsequences.java
Distribute Coins in Binary Tree.java
Domino and Tromino Tiling.java
Employee Importance.java
Equal Rational Numbers.java
Evaluate Division.java
Exclusive Time of Functions.java
Expression Add Operators.java
Find All Anagrams in a String.java
Find Common Characters.java
Find Elements in a Contaminated Binary Tree.java
Find Eventual Safe States.java
Find K Pairs with Smallest Sums.java
Find K-th Smallest Pair Distance.java
Find Median from Data Stream.java
Find Peak Element.java
Find the Duplicate Number.java
Find the Missing Number.java
Find the Shortest Superstring.java
Find the Town Judge.java
First Missing Positive.java
Flatten Nested List Iterator.java
Flip Equivalent Binary Trees.java
Flip String to Monotone Increasing.java
Flood Fill.java
Friend Circles.java
Friends Of Appropriate Ages.java
Frog Jump.java
Game of Life.java
Gas Station.java
Generate Parentheses.java
Get Equal Substrings Within Budget.java
Global and Local Inversions.java
Gray Code.java
Grid Illumination.java
Group Anagrams.java
Hamming Distance.java
Implement Magic Dictionary.java
Implement Queue Using Array.java
Implement Queue Using Stacks.java
Implement Rand10() Using Rand7().java
Implement Stack Using Array.java
Implement Stack using Queues.java
Increasing Triplet Subsequence.java
Inorder Successor in BST.java
Insert Interval.java
Integer Break.java
Integer to Roman.java
Interval List Intersections.java
Is Graph Bipartite.java
Island Perimeter.java
Jump Game II.java
Jump Game.java
K Closest Points to Origin.java
K-th Smallest Prime Fraction.java
Knight Dialer.java
Knight Probability in Chessboard.java
Koko Eating Bananas.java
Kth Smallest Element in a BST.java
Kth Smallest Element in a Sorted Matrix.java
Kth Smallest Number in Multiplication Table.java
Largest 1-Bordered Square.java
Largest BST Subtree.java
Largest Component Size by Common Factor.java
Largest Number.java
Largest Sum of Averages.java
Largest Time for Given Digits.java
Largest Triangle Area.java
Least Operators to Express Number.java
Length of Longest Fibonacci Subsequence.java
Letter Case Permutation.java
Linked List Components.java
Linked List Random Node.java
Longest Arithmetic Subsequence of Given Difference.java
Longest Chunked Palindrome Decomposition.java
Longest Harmonious Subsequence.java
Longest Increasing Path in a Matrix.java
Longest Substring Without Repeating Characters.java
Longest Substring with At Most Two Distinct Characters.java
Longest Turbulent Subarray.java
Longest Valid Parentheses.java
Longest Word in Dictionary through Deleting.java
Longest Word in Dictionary.java
Lowest Common Ancestor of a Binary Tree.java
Magical String.java
Make Array Strictly Increasing.java
Making A Large Island.java
Masking Personal Information.java
Max Area of Island.java
Max Consecutive Ones II.java
Max Consecutive Ones III.java
Max Consecutive Ones.java
Max Sum of Rectangle No Larger Than K.java
Maximal Rectangle.java
Maximal Square.java
Maximum Binary Tree II.java
Maximum Binary Tree.java
Maximum Frequency Stack.java
Maximum Gap.java
Maximum Nesting Depth of Two Valid Parentheses Strings.java
Maximum Product Subarray.java
Maximum Score Words Formed by Letters.java
Maximum Subarray Sum with One Deletion.java
Maximum XOR of Two Numbers in an Array.java
Maximum of Absolute Value Expression.java
Median of Two Sorted Arrays.java
Merge Intervals.java
Minimum ASCII Delete Sum for Two Strings.java
Minimum Cost For Tickets.java
Minimum Cost Tree From Leaf Values.java
Minimum Cost to Merge Stones.java
Minimum Increment to Make Array Unique.java
Minimum Index Sum of Two Lists.java
Minimum Moves to Equal Array Elements II.java
Minimum Moves to Equal Array Elements.java
Minimum Number of Arrows to Burst Balloons.java
Minimum Number of Refueling Stops.java
Minimum Size Subarray Sum.java
Minimum Swaps To Make Sequences Increasing.java
Minimum Swaps to Make Strings Equal.java
Minimum Window Substring.java
Most Common Word.java
Most Frequent Subtree Sum.java
Most Profit Assigning Work.java
Most Stones Removed with Same Row or Column.java
Move Zeroes.java
Multiply Strings.java
Network Delay Time.java
Next Permutation.java
Non-negative Integers without Consecutive Ones.java
Number Complement.java
Number of Atoms.java
Number of Big Islands.java
Number of Boomerangs.java
Number of Closed Islands.java
Number of Dice Rolls With Target Sum.java
Number of Equivalent Domino Pairs.java
Number of Islands II.java
Number of Islands.java
Number of Matching Subsequences.java
Number of Squareful Arrays.java
Number of Valid Words for Each Puzzle.java
Numbers At Most N Given Digit Set.java
Numbers With Repeated Digits.java
Numbers With Same Consecutive Differences.java
Odd Even Jump.java
Online Majority Element In Subarray.java
Online Stock Span.java
Open the Lock.java
Orderly Queue.java
Out of Boundary Paths.java
PIO.java
Pairs of Songs With Total Durations Divisible by 60.java
Palindrome Permutation II.java
Palindrome Permutation.java
Partition Array Into Three Parts With Equal Sum.java
Partition Equal Subset Sum.java
Partition Labels.java
Partition to K Equal Sum Subsets.java
Path Sum III.java
Path with Maximum Gold.java
Perfect Squares.java
Permutation Sequence.java
Permutation in String.java
Play with Chips.java
Plus One.java
Populating Next Right Pointers in Each Node II.java
Populating Next Right Pointers in Each Node.java
Positions of Large Groups.java
Possible Bipartition.java
Power of Four.java
Power of Three.java
Power of Two.java
Prefix and Suffix Search.java
Prime Arrangements.java
Product of Array Exclude Itself.java
Profitable Schemes.java
README.md
Race Car.java
Random Pick Index.java
Range Sum Query - Immutable.java
Range Sum Query - Mutable.java
Range Sum Query 2D - Mutable.java
Reach a Number.java
Reachable Nodes In Subdivided Graph.java
Reconstruct a 2-Row Binary Matrix.java
Rectangle Area.java
Rectangle Overlap.java
Redundant Connection II.java
Redundant Connection.java
Regions Cut By Slashes.java
Regular Expression Matching.java
Relative Sort Array.java
Remove All Adjacent Duplicates in String II.java
Remove Boxes.java
Remove Invalid Parentheses.java
Remove Zero Sum Consecutive Nodes from Linked List.java
Reorder List.java
Repeated String Match.java
Repeated Substring Pattern.java
Reveal Cards In Increasing Order.java
Reverse Bits.java
Reverse Nodes in k-Group.java
Reverse Pairs.java
Reverse Substrings Between Each Pair of Parentheses.java
Roman to Integer.java
Rotate Array.java
Rotate Image.java
Rotate List.java
Rotated Digits.java
Rotting Oranges.java
Russian Doll Envelopes.java
Same Tree.java
Satisfiability of Equality Equations.java
Score of Parentheses.java
Search in Rotated Sorted Array.java
Self Dividing Numbers.java
Sentence Similarity.java
Shift 2D Grid.java
Shifting Letters.java
Short Encoding of Words.java
Shortest Bridge.java
Shortest Distance to a Character.java
Shortest Palindrome.java
Shortest Path Visiting All Nodes.java
Shortest Path to Get All Keys.java
Shortest Path with Alternating Colors.java
Single Element in a Sorted Array.java
Sliding Window Maximum.java
Sliding Window Median.java
Sliding Window Template.java
Smallest Integer Divisible by K.java
Smallest Rotation with Highest Score.java
Smallest String Starting From Leaf.java
Smallest Subtree with all the Deepest Nodes.java
Smallest Sufficient Team.java
Snapshot Array.java
Special Binary String.java
Split Array Largest Sum.java
Split Array With Same Average.java
Stamping The Sequence.java
Stone Game II.java
Stone Game.java
Strange Printer.java
String Without AAA or BBB.java
Subarray Sum Equals K.java
Subarrays with K Different Integers.java
Substring with Concatenation of All Words.java
Subtree of Another Tree.java
Sudoku Solver.java
Sum of Distances in Tree.java
Sum of Even Numbers After Queries.java
Sum of Square Numbers.java
Sum of Subarray Minimums.java
Sum of Subsequence Widths.java
Super Ugly Number.java
Surface Area of 3D Shapes.java
Surrounded Regions.java
Swap For Longest Repeated Character Substring.java
Swap Nodes in Pairs.java
Swim in Rising Water.java
Symmetric Tree.java
Tallest Billboard.java
Target Sum.java
The Maze II.java
The Maze III.java
The Maze.java
Top K Frequent Elements.java
Top K Frequent Words.java
Total Hamming Distance.java
Transform to Chessboard.java
Triples with Bitwise AND Equal To Zero.java
Ugly Number II.java
Ugly Number III.java
Ugly Number.java
Unique Binary Search Trees II.java
Unique Binary Search Trees.java
Unique Letter String.java
Unique Paths III.java
Unique Paths.java
Vaild Square.java
Valid Anagram.java
Valid Sudoku.java
Validate Binary Search Tree.java
Validate Stack Sequences.java
Vertical Order Traversal of a Binary Tree.java
Wildcard Matching.java
Word Frequency.linux
Word Ladder II.java
Word Ladder.java
Zuma Game.java

Recover a Tree From Preorder Traversal

Apr 24, 2019

86679cd · Apr 24, 2019

Name	Name	Last commit message	Last commit date
parent directory ..
Recover a Tree From Preorder Traversal.java	Recover a Tree From Preorder Traversal.java	Recursion \| Using Stack	Apr 24, 2019
Recover a Tree From Preorder Traversal.py	Recover a Tree From Preorder Traversal.py	Recursion \| Using Stack	Apr 24, 2019

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