Patterns for Success
Patterns for Success

Rather than grinding through Leetcode aimlessly, I would highly suggest using patterns. The patterns below have been taken from

Grokking the Coding Interview: Patterns for Coding Questions⁠

. No need to pay for the course, just build a database of questions that match each topic.

Sliding Window

Two Pointers

Fast & Slow Pointers

Merge Intervals

Cyclic Sort

In-Place Reversal of LinkedList

Tree BFS

Tree DFS

Two Heaps

Subsets

Modified Binary Search

Bitwise XOR

Top ‘K’ Elements

K-way Merge

Knapsack (Dynamic Programming)

Topological Sort

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Patterns for SuccessPatterns for Success