摘要：
You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + and -, you and your friend take tu 阅读全文
posted @ 2016-08-14 12:26
fenshen371
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Given a string, we can "shift" each of its letter to its successive letter, for example: "abc" -> "bcd". We can keep "shifting" which forms the sequen 阅读全文
posted @ 2016-08-14 12:18
fenshen371
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Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-index. According 阅读全文
posted @ 2016-08-14 02:36
fenshen371
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