leetcode
  • Preface
  • Array
    • 1. Two Sum
    • 11. Container With Most Water
    • 53. Maximum Subarray (value)
    • 83. Remove Duplicates from Sorted Array
    • 169. Majority Element
    • 121. Best Time to Buy and Sell Stock I
    • 122. Best Time to Buy and Sell Stock II
    • 167. Two Sum II - Input array is sorted
    • 217. Contain Duplicates
    • 219. Contains Duplicate II
    • 268. Missing Number
    • 283. Move Zeroes
    • 414. Third Maximum Number
    • 509. Fibonacci Number
    • 832. Flipping an Image
    • 905. Sort Array By Parity
    • 922. Sort Array By Parity II
    • 977. Squares of a Sorted Array
    • 1051. Height Checker
    • 1122. Relative Sort Array
  • String
    • 8. String to Integer (atoi)
    • 3. Longest Substring Without Repeating Characters
    • 5. Longest Palindromic Substring
    • 6. ZigZag Conversion
    • 12. Integer to Roman
    • 13. Roman to Integer
    • 14. Longest Common Prefix
    • 20. Valid Parentheses
    • 28. Implement strStr()
    • 58. Length of Last Word
    • 67. Add Binary
    • 125. Valid Palindrome
    • 344. Reverse String
    • 387. First Unique Character in a String
    • 709. To Lower Case
    • 804. Unique Morse Code Words
    • 929. Unique Email Addresses
    • 1108. Defanging an IP Address
  • Linked List
    • 2. Add Two Numbers
  • Tree
  • Math
    • 7. Reverse Integer
    • 9. Palindrome Number
    • 69. Sqrt(x)
    • 204. Count Primes
  • Data Structure
    • Sorting
    • Hash Table, Map, Object, Set (JS)
    • String (JS)
    • Linear Data Structure (JS)
    • Trees, Heaps, Graphs
    • HashSet & HashMap & HashTable in Java
  • Contest
    • Easy
      • Decrease Elements To Make Array Zigzag
      • Number of Equivalent Domino Pairs
    • Medium
      • Longest Chunked Palindrome Decomposition
      • Snapshot Array
      • Binary Tree Coloring Game
      • Maximum of Absolute Value Expression
      • Minimum Cost Tree From Leaf Values
      • Shortest Path with Alternating Colors
    • Hard
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Array

Methods

  • Two Pointer Technique

  • Hash Table

  • Binary Search

  • Dynamic Programming

  • Divide-and-Conquer

  • Boyer Moore Voting Algorithm (e.g. Majority Element)

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Last updated 4 years ago

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