โŒจ๏ธap computer science principles review

Factorial Efficiency

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

Factorial efficiency refers to an algorithm or function whose running time grows factorially with respect to its input size. In other words, as the input gets larger, this type of algorithm experiences extremely rapid growth in its execution time.

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