As new U.S.and U.N.economic sanctions are a response step up the pressure on Iran's economy, Supreme Leader Ayatollah Ali Khamenei is urging his countrymen to change their habits.

VOA: standard.2010.07.23

So this line or these lines of code up here are arguably constant time steps to say if N is less than 2 in return, that it will always take maybe one step, maybe two steps, some number of fixed CPU cycles.

如果N小于2并返回,那么这些行所对应的代码,通常只需要执行一步，或者两步，具体数字与CPU周期有关。

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There's one step inside of it. Right?

哦，n次，因为对i的每个值？

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