pattern library

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Min Subarray Sliding Window
Two Pointers
Fast Slow Pointers Middle Linked List
Merge Intervals
Cyclic Sort
Linked List Reverse
Bfs
Find All Tree Paths Has Path Sum Tree Diameter
Two Heaps
Subsets
Binary Search Search Rotated
Bitwise Xor
Quick Select Top K Frequent
K Way Merge
Topological Sort
Union Find
Backtracking Combination Sum
Climbing Stairs Coin Change Knapsack Longest Common Subsequence Longest Increasing Subsequence
Monotonic Stack
Island Count Dfs Max Area Island
Dijkstra Graph Bfs Graph Dfs Shortest Path
Trie
Prefix Sum
Greedy
Stack