// Practice

Sharpen your skills daily

Interactive drills that build real interview intuition. Pick a module and start practicing.

MCQ Drills

System design multiple-choice questions across 24 topics and 3 difficulty levels.

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Coding Patterns

Identify the right algorithm pattern for each problem. 12 core patterns.

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System Design Lab

Patch broken architecture diagrams. Defend your fix to an AI reviewer.

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