Welcome to our community!


0

26

December 3, 2022

Backtracking 1  Backtracking / Combinatorial Search


14

75

May 27, 2023

Reorganize String  Priority Queue / Heap / Moving Best


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52

May 27, 2023

Combination Sum  Backtracking / Dedup


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27

May 23, 2023

Umbristan  Reverse Union Find  Advanced Data Structures / Disjoint Set Union  Union Find


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23

May 22, 2023

Split Strings  Companyspecific OAs / Google OA


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12

May 21, 2023

Minimum in Rotated Sorted Array  Binary Search / Implicitly Sorted Array


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399

May 21, 2023

Task Scheduling 2  Graph / Directed Graph / Topological Sort


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41

May 20, 2023

DFS with States  Backtracking / Combinatorial Search


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86

May 20, 2023

Lowest Common Ancestor  Depth First Search / Advanced


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23

May 19, 2023

Lowest Common Ancestor of a Binary Search Tree  Depth First Search / Binary Search Tree


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20

May 19, 2023

Advanced Sorting Algorithms  Merge Sort  Quick Sort  Getting Started / Basic Algorithms


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91

May 19, 2023

Minimal Path Sum  Dynamic Programming / Grid


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35

May 18, 2023

Invert Binary Tree  Depth First Search / DFS on Tree


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116

May 18, 2023

Valid Binary Search Tree  Depth First Search / Binary Search Tree


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72

May 17, 2023

Longest Common Subsequence  Dynamic Programming / Two Sequences


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25

May 17, 2023

Shortest Path  Graph / Vanilla BFS


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33

May 16, 2023

Balanced Binary Tree  Depth First Search / DFS on Tree


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155

May 15, 2023

Find All Anagrams in a String  Two Pointers / Sliding Window


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43

May 14, 2023

Sliding Window  Longest  Two Pointers / Sliding Window


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25

May 12, 2023

Prefix Count  Advanced Data Structures / Trie


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13

May 12, 2023

Max Depth of A Tree  Depth First Search / DFS on Tree


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76

May 11, 2023

Vending Machine  Objected Oriented Design / Classics


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10

May 11, 2023

Trie Introduction  Advanced Data Structures / Trie


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21

May 11, 2023

Backtracking Speedrun  Backtracking / Speedrun


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19

May 9, 2023

Least Consecutive Cards to Match  Two Pointers / Sliding Window


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22

May 7, 2023

Visible Tree Node  Depth First Search / DFS on Tree


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57

May 6, 2023

Newspapers  Binary Search / Advanced


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127

May 5, 2023

Queue Intro  Getting Started / Basic Data Structures


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35

May 5, 2023

Partition to K Equal Sum Subsets


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6

May 3, 2023
