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: Trees (Binary Search Trees, Heaps) and Graphs.

: One of the most effective strategies involves sorting algorithms and problems into three buckets: Easy (can solve instantly), Intermediate (can solve with a hint), and Hard (topics you currently avoid). The goal is to systematically move all items into the Easy bucket. dsa.rar

: Product-based companies (like Google or Uber) heavily favor advanced topics such as Dynamic Programming , Graphs , Tries , and Backtracking . Essential DSA Roadmap : Trees (Binary Search Trees, Heaps) and Graphs

: Big O Notation and space-time complexity analysis. : Trees (Binary Search Trees

: Used for sorted arrays to reduce complexity from Sliding Window : Ideal for subarray or substring problems.