LeetCode 20大挑戰- 清單-置頂

LeetCode 20大挑戰- 清單-置頂

新增HackerRank筆記

  • New Year Chaos(Link)

Finished

  1. LRU Cache (Done) Link
    • List, dictionary, linked list
  2. Median of Two Sorted Arrays Link
    • Array merge, sorting
    • 困難的是如何達成O(log(m+n))
  3. Palindrome Number Link
    • string function
  4. Majority Element Link
  5. H-Index Link
  6. Two-Sum Link
    • HashTable
  7. Task Scheduler Link
  8. Three-Sum Link
    • Two Pointer
  9. Reverse Interger Link

Selected

  • Container With Most Water
    • Array, Two Pointer, Greedy
  • Reverse Nodes in k-Group(Hard) – Problem
    • Linked List, Recursion
  • Regular Expression Matching – Problem
    • String, Dynamic Programming, Recursion
  • Longest Substring Without Repeating Characters – Problem
    • String, hashtable , Sliding window
  • Substring with Concatenation of All Words
    • Sliding Window , string, HashTable
  • Minimum Path Sum
    • Array, DP, Matrix
  • Best Time to Buy and Sell Stock III (Best Time to Buy and Sell Stock IV)
    • Array, DP

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