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Big-Ω (Big-Omega) notation

Big-Ω (Big-Omega) notation

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Sometimes, we want to say that an algorithm takes at least a certain amount of time, without providing an upper bound. We use big-Ω notation; that's the Greek letter "omega."

If a running time is Ω(f(n))\Omega(f(n)), then for large enough nn, the running time is at least kf(n ...