15 must-know patterns for coding interviews ⚡️

◆ Prefix Sum
◆ Two Pointers
◆ Sliding Window
◆ Fast & Slow Pointers
◆ LinkedList In-place Reversal
◆ Monotonic Stack
◆ Top ‘K’ Elements
◆ Overlapping Intervals
◆ Modified Binary Search
◆ Tree Traversal
◆ Depth-First Search (DFS)
◆ Breadth-First Search (BFS)
◆ Matrix Traversal
◆ Backtracking
◆ Dynamic Programming

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