摘要:
Given an array of N integers A1, A2, A3…AN. If you randomly choose two indexes i ,j such that 1 ≤ i < j ≤ N, what is the expected value of Ai | Aj? In 阅读全文
posted @ 2018-04-25 23:28
nimphy
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摘要:
。。。 阅读全文
posted @ 2018-04-25 18:25
nimphy
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