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are there any O(1/n) algorithms?
Is it ever possible for your code to be Big O less than O(1)?
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O(1) simply means a constant time operation. That time could be 1 nanosecond or 1 million years, the notation is not a measure of absolute time. Unless of course you are working on the OS for a time machine, than perhaps your DoTimeTravel( ) function would have O(-1) complexity 🙂