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Data Structures and Algorithms
  • CS Theory And Problems
  • Big O
    • Big O Notation
  • Algorithms
    • Binary Search
    • Breadth First Search (BFS)
    • Depth First Search (DFS)
    • Dynamic Programming
    • Kadane's Algorithm
    • Kahn's Algorithm
    • Quickselect
    • Recursion
    • Sorting Algorithms
    • Sliding Window
  • Data Structures
    • Binary Heap
    • Graph
    • Linked List
    • Trees
  • Problems
    • LeetCode
      • 1. Two Sum
      • 3. Longest Substring Without Repeating Characters
      • 5. Longest Palindromic Substring
      • 11. Container With Most Water
      • 15. 3 Sum
      • 19. Remove Nth Node From End of List
      • 20. Valid Parentheses
      • 33. Search in Rotated Sorted Array
      • 49. Group Anagrams
      • 53. Maximum Subarray
      • 55. Jump Game
      • 56. Merge Intervals
      • 76. Minimum Window Substring
      • 98. Validate Binary Search Tree
      • 105. Construct Binary Tree from Preorder and Inorder Traversal
      • 121. Best Time to Buy and Sell Stock
      • 133. Clone Graph
      • 141. Linked List Cycle
      • 152. Maximum Product Subarray
      • 153. Find Minimum in Rotated Sorted Array
      • 200. Number of Islands
      • 206. Reverse Linked List
      • 207. Course Schedule
      • 217. Contains Duplicate
      • 226. Invert Binary Tree
      • 238. Product of Array Except Self
      • 242. Valid Anagram
      • 297. Serialize and Deserialize Binary Tree
      • 347. Top K Frequent Elements
      • 417. Pacific Atlantic Water Flow
      • 424. Longest Repeating Character Replacement
      • 435. Non-overlapping Intervals
      • 647. Palindromic Substrings
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  1. Problems

LeetCode

PreviousTreesNext1. Two Sum

Last updated 3 years ago

Resources

My Notes

  • Use the test runner to verify my understanding of the leetcode question. Have the solution return a dummy value. Put in my test cases and get the results to verify my understanding.

  • Record test cases in a comment at the end of a problem in leetcode. This way if I go back to look at the problem, I have a handy set of test cases to use.

Tech Interview Handbook - Best Practice Questions
Sean Prashad's LeetCode Patterns
Blind 75 List