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Order of complexity (or Big-O notation) describes how the runtime of an algorithm or function grows relative to the input size 𝑛, especially as 𝑛. It provides an upper bound on complexity and typically focuses on the worst-case scenario.

Big-O in Equations

  • In an equation, the most significant term is the most important term, since it effects the of the function the most as 𝑛.
  • For instance for 𝑓(𝑛)=4𝑛2+100𝑛+2000, it would be 𝑛2

Cheat Sheet

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