Algorithm Atlas
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Learn Recursion with 5 DSA patterns and 20 visual lessons. Follow step-by-step animations and synced C#, Python, and Java code.
Recursion asks a smaller version of the same problem for help.
Make one smaller recursive call until the base case is reached.
Make multiple smaller calls and combine their returned answers.
Split the input, solve each part, then combine the answers.
Handle one node or stack item and recurse on the remaining structure.
For every value, choose to include it or skip it.