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Algorithm Practice Track

A practical track focused on interview-style algorithm patterns with direct problem practice.

4 lessons

Lessons

  1. Hash Maps for Constant-Time Lookups

    Use dictionaries to reduce nested-loop solutions to linear time.

  2. Binary Search Template

    A reliable loop template for sorted arrays.

  3. Prefix and Suffix Products

    Compute range products without division.

  4. Palindrome Checks with Two Pointers

    Scan inward from both ends while skipping non-alphanumeric characters.