Progress

• Arrays and Strings
  • Reverse String
  • Squares of a Sorted Array
  • Maximum Average Subarray I
  • Max Consecutive Ones III
  • Running Sum of 1D Array
  • Minimum Value to Get Positive Step by Step Sum
  • K Radius Subarray Averages
• Hashing
  • Check if the Sentence Is Pangram
  • Missing Number
  • Counting Elements
  • Find Players With Zero or One Losses
  • Largest Unique Number
  • Maximum Number of Balloons
  • Contiguous Array
  • Ransom Note
  • Jewels and Stones
  • Longest Substring Without Repeating Characters
• Linked Lists
  • Middle of the Linked List
  • Remove Duplicates from Sorted List
  • Reverse Linked List II
• Stacks and Queues
  • Simplify Path
  • Make The String Great
  • Moving Average from Data Stream
  • Next Greater Element I
  • Online Stock Span
• Trees and Graphs
  • Minimum Depth of Binary Tree
  • Maximum Difference Between Node and Ancestor
  • Diameter of Binary Tree
  • Deepest Leaves Sum
  • Binary Tree Zigzag Level Order Traversal
  • Insert into a Binary Search Tree
  • Closest Binary Search Tree Value
  • Find if Path Exists in Graph
  • Number of Connected Components in an Undirected Graph
  • Max Area of Island
  • Reachable Nodes With Restrictions
  • Nearest Exit from Entrance in Maze
  • Snakes and Ladders
  • Minimum Genetic Mutation
  • Jump Game III
  • Detonate the Maximum Bombs
  • Word Ladder
• Heaps
  • Remove Stones to Minimize the Total
  • Minimum Cost to Connect Sticks
  • Kth Largest Element in an Array
  • K Closest Points to Origin
  • Kth Largest Element in a Stream
• Greedy
  • Maximum 69 Number
  • Maximum Units on a Truck
  • How Many Apples Can You Put into the Basket
  • Reduce Array Size to The Half
• Binary Search
  • Search Insert Position
  • Longest Subsequence With Limited Sum
  • Find the Smallest Divisor Given a Threshold
  • Divide Chocolate
  • Split Array Largest Sum
• Backtracking
  • All Paths From Source to Target
  • Letter Combinations of a Phone Number
  • Generate Parentheses
  • Numbers With Same Consecutive Differences
  • Combination Sum III
• Dynamic Programming
  • Climbing Stairs
  • Min Cost Climbing Stairs
  • Coin Change
  • Best Time to Buy and Sell Stock with Transaction Fee
  • Best Time to Buy and Sell Stock with Cooldown
  • Unique Paths II
  • Minimum Falling Path Sum
• Bonus
  • Implement Trie (Prefix Tree)
  • Hamming Distance
  • Insert Interval
  • Cheapest Flights Within K Stops