The O(f(n)) notation

• Introduced by Paul Bachmann in 1892

• Loosely speaking, O(f(n)) means “asymptotically no larger than a suitable multiple of f(n),” where nɬ

• More precisely, g(n)=O(f(n)) means that there are constants K and N such that |g(n)| <= K|f(n)| whenever n>=N.

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