wepay OA

内推收到OA，今天收到店面邀请了，把原题贴上来

The Alerter is a simple monitoring tool, intended to help detectincreases in response time for some process. It does that

by computing a few statistics about the process across a'window' of a certain number of runs, and alerting (returning true)

if certain thresholds are met.

It takes the following parameters:

- inputs: A list of integer times for the process. Thislist may be very long

- window siz

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example:

        alert({1,2,100,2,2}, 2, 2.5) should alert: Even though no individualvalue causes an alert, there is a window with average 1.5 and a later windowwith an average more than 2.5 times larger

Otherwise, you should return false.

看起来跟去年的oa一样