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Average-case Time Complexity

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

The average-case time complexity of an algorithm refers to the amount of time it takes for an algorithm to run on average when given different inputs. It provides an estimation of how efficient or fast an algorithm is expected to perform under typical conditions.

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