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by daveFNbuck
1030 days ago
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I'm not sure what your big-O expression is supposed to mean, but if a sequence is decreasing and bounded below (which runtime is) then it has a limit. Since the sequence is discrete, it can't get arbitrarily close to the limit without reaching it. So at some point the runtime will stop decreasing. You can approximate the runtime with a function that decreases forever, but the actual runtime will be constant for large enough n. |
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