A collection of my solutions to the Leetcode Challenges
- Detect Capital
- Design HashSet
- Valid Palindrome
- Power of Four
- Add and Search Word - Data structure design
- Find All Duplicates in an Array
- Vertical Order Traversal of a Binary Tree
- Path Sum III
- Rotting Oranges
- Excel Sheet Column Number
- H-Index
- Pascal's Triangle II
- Iterator for Combination
- Longest Palindrome
- Non-overlapping Intervals
- Best Time to Buy and Sell Stock III
- Numbers With Same Consecutive Differences
- Goat Latin
- Reorder List
- Sort Array By Parity
- Random Point in Non-overlapping Rectangles
- Stream of Characters
- Sum of Left Leaves
- Minimum Cost For Tickets
- Fizz Buzz
- Find Right Interval
- Implement Rand10() Using Rand7()
- Pancake Sorting
- Largest Component Size by Common Factor
- Delete Node in a BST
- Largest Time for Given Digits
- Contains Duplicate III
- Repeated Substring Pattern
- Partition Labels
- All Elements in Two Binary Search Trees
- Image Overlap
- Word Pattern
- Sum of Root To Leaf Binary Numbers
- Compare Version Numbers
- Bulls and Cows
- Maximum Product Subarray
- Combination Sum III
- Insert Interval
- House Robber
- Length of Last Word
- Maximum XOR of Two Numbers in an Array
- Robot Bounded In Circle
- Best Time to Buy and Sell Stock
- Sequential Digits
- Unique Paths III
- Car Pooling
- Majority Element II
- Gas Station
- Find the Difference
- Largest Number
- Teemo Attacking
- Evaluate Division
- Subarray Product Less Than K
- Word Break
- First Missing Positive
- Number of Recent Calls
- Combination Sum
- K-diff Pairs in an Array
- Remove Covered Intervals
- Complement of Base 10 Integer
- Insert into a Binary Search Tree
- Rotate List
- Binary Search
- Serialize and Deserialize BST
- Minimum Number of Arrows to Burst Balloons
- Remove Duplicate Letters
- Buddy Strings
- Sort List
- House Robber II
- Rotate Array
- Search a 2D Matrix
- Repeated DNA Sequences
- Best Time to Buy and Sell Stock IV
- Minimum Domino Rotations For Equal Row
- Clone Graph
- Asteroid Collision
- Minimum Depth of Binary Tree
- 132 Pattern
- Bag of Tokens
- Stone Game IV
- Champagne Tower
- Linked List Cycle II
- Summary Ranges
- Maximize Distance to Closest Person
- Number of Longest Increasing Subsequence
- Recover Binary Search Tree
- Convert Binary Number in a Linked List to Integer
- Insertion Sort List
- Consecutive Characters
- Minimum Height Trees
- Minimum Cost to Move Chips to The Same Position
- Find the Smallest Divisor Given a Threshold
- Add Two Numbers II
- Binary Tree Tilt
- Maximum Difference Between Node and Ancestor
- Flipping an Image
- Valid Square
- Permutations II
- Populating Next Right Pointers in Each Node
- Poor Pigs
- Range Sum of BST
- Longest Mountain in Array
- Mirror Reflection
- Merge Intervals
- Decode String
- Search in Rotated Sorted Array II
- Numbers At Most N Given Digit Set
- Unique Morse Code Words
- House Robber III
- Basic Calculator II
- Smallest Integer Divisible by K
- Longest Substring with At Least K Repeating Characters
- Partition Equal Subset Sum
- Sliding Window Maximum
- Jump Game III
- The Skyline Problem
- Maximum Depth of Binary Tree
- Linked List Random Node
- Increasing Order Search Tree
- The kth Factor of n
- Can Place Flowers
- Populating Next Right Pointers in Each Node II
- Spiral Matrix II
- Pairs of Songs With Total Durations Divisible by 60
- Binary Search Tree Iterator
- Valid Mountain Array
- Remove Duplicates from Sorted Array II
- Smallest Subtree with all the Deepest Nodes
- Burst Balloons
- Palindrome Partitioning
- Squares of a Sorted Array
- Validate Binary Search Tree
- 4Sum II
- Increasing Triplet Subsequence
- Cherry Pickup II
- Decoded String at Index
- Smallest Range II
- Balanced Binary Tree
- Next Greater Element III
- Swap Nodes in Pairs
- Diagonal Traverse
- Decode Ways
- Jump Game IV
- Reach a Number
- Pseudo-Palindromic Paths in a Binary Tree
- Game of Life
- Largest Rectangle in Histogram