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OJ Practices
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  • Introduction
  • Leetcode
    • Tree
    • Dynamic Programming
    • Depth-First-Search
    • Breadth-First Search
    • Two Pointers
    • Linked List
    • Backtracking
    • Binary Search
    • Union Find
    • Trie
    • Sort
    • Heap
    • Randomness
    • Topological Sort
    • Stack
      • 20 Valid Parentheses
      • 42 Trapping Rain Water
      • 71 Simplify Path
      • 84 Largest Rectangle in Histogram
      • 85 Maximal Rectangle
      • 150 Evaluate Reverse Polish Notation
      • 155 Min Stack
      • 224 Basic Calculator
      • 227 Basic Calculator II
      • 225 Implement Stack using Queues
      • 232 Implement Queue using Stacks
      • 316 Remove Duplicate Letters
      • 331 Verify Preorder Serialization of a Binary Tree
      • 341 Flatten Nested List Iterator
      • 385 Mini Parser
      • 394 Decode String
      • 402 Remove K Digits
      • 439 Ternary Expression Parser
      • 456 132 Pattern
      • 484 Find Permutation
      • 496 Next Greater Element I
      • 503 Next Greater Element II
      • 591 Tag Validator
      • 636 Exclusive Time of Functions
      • 682 Baseball Game
      • 726 Number of Atoms
      • 735 Asteroid Collision
      • 739 Daily Temperatures
      • 768 Max Chunks To Make Sorted II
      • 770 Basic Calculator IV
      • 772 Basic Calculator III
      • 844 Backspace String Compare
      • 853 Car Fleet
      • 856 Score of Parentheses
      • 880 Decoded String at Index
      • 895 Maximum Frequency Stack
      • 901 Online Stock Span
      • 907 Sum of Subarray Minimums
      • 946 Validate Stack Sequences
      • 962 Maximum Width Ramp
      • 975 Odd Even Jump
    • Hash Table
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  1. Leetcode

Stack

20 Valid Parentheses42 Trapping Rain Water71 Simplify Path84 Largest Rectangle in Histogram85 Maximal Rectangle150 Evaluate Reverse Polish Notation155 Min Stack224 Basic Calculator227 Basic Calculator II225 Implement Stack using Queues232 Implement Queue using Stacks316 Remove Duplicate Letters331 Verify Preorder Serialization of a Binary Tree341 Flatten Nested List Iterator385 Mini Parser394 Decode String402 Remove K Digits439 Ternary Expression Parser456 132 Pattern484 Find Permutation496 Next Greater Element I503 Next Greater Element II591 Tag Validator636 Exclusive Time of Functions682 Baseball Game726 Number of Atoms735 Asteroid Collision739 Daily Temperatures768 Max Chunks To Make Sorted II770 Basic Calculator IV772 Basic Calculator III844 Backspace String Compare853 Car Fleet856 Score of Parentheses880 Decoded String at Index895 Maximum Frequency Stack901 Online Stock Span907 Sum of Subarray Minimums946 Validate Stack Sequences962 Maximum Width Ramp975 Odd Even Jump
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Last updated 5 years ago

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