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cheat.sheets/sheets/_theory/recursion
2017-07-19 05:29:03 +00:00

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# Recursion
# Def: "...is a method where the solution to a problem depends on solutions to smaller instance of the same problem.." - wiki
# TL;DR: a function that calls itself inside its body.
# Recursive programs - Pseduocode
function factorial:
input: integer n such that n >= 0
output: n * (n-1) * (n-2) * ... * 1 = n!
1. if n is 0, return 1
2. else, return ( n * factorial(n-1) )