Algorithm Atlas

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Learn Greedy with visual DSA lessons

Learn Greedy with 2 DSA patterns and 18 visual lessons. Follow step-by-step animations and synced C#, Python, and Java code.

A greedy algorithm repeatedly makes the best safe choice now.

Intervals & Reach

Sort intervals or extend reach to maximize completed work and minimize steps.

Sorting / Local Choice

Sort or rank candidates, then repeatedly take the best safe local choice.