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  • Oct 20, 2023

    Parallel Courses II - DFS + DP + Bitmasking

    Bit Manipulation     Bitmask     C++     Combinatorics     Depth-First Search     Dynamic Programming     Graph     Hard    
  • Oct 17, 2023

    Validate Binary Tree Nodes - DFS solution

    Binary Tree     Breadth-First Search     C++     Depth-First Search     Graph     Medium     Tree     Union Find    
  • Jul 10, 2023

    Maximum Number of Jumps to Reach the Last Index - DP based solution

    Array     C++     Dynamic Programming     Medium     Memoization     Recursion    
  • Jun 20, 2023

    Unique Binary Search Trees II - Recursion and memoization DP

    Backtracking     Binary Search Tree     Binary Tree     C++     Dynamic Programming     Medium     Memoization     Recursion     Tree    
  • Jun 20, 2023

    Special Permutations - DP with bitmask

    Array     Bit Manipulation     Bitmask     C++     Dynamic Programming     Medium     Memoization     Recursion    
  • Jun 15, 2023

    Valid Number - DFA using hashmap

    C++     Hard     Hash Table     String    
  • Jun 15, 2023

    Movement of Robots - Collision means nothing

    Array     Brainteaser     C++     Math     Medium     Prefix Sum     Simulation     Sorting    
  • Jun 15, 2023

    Maximum Level Sum of a Binary Tree - BFS in Java

    Binary Tree     Breadth-First Search     Depth-First Search     Java     Medium     Tree    
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  • piyush01123

A blog of all my leetcode discussion posts.