Algorithm Practice Track
A practical track focused on interview-style algorithm patterns with direct problem practice.
Lessons
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Hash Maps for Constant-Time Lookups
Use dictionaries to reduce nested-loop solutions to linear time.
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Binary Search Template
A reliable loop template for sorted arrays.
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Prefix and Suffix Products
Compute range products without division.
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Palindrome Checks with Two Pointers
Scan inward from both ends while skipping non-alphanumeric characters.