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［抄题］： Given a non-empty string s and an abbreviation abbr, return whether the string matches with the given abbreviation. A string such as "word" cont 阅读全文
posted @ 2018-03-26 15:29
苗妙苗
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［抄题］： You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + and -, you and your friend t 阅读全文
posted @ 2018-03-26 11:27
苗妙苗
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［抄题］： You are given a string representing an attendance record for a student. The record only contains the following three characters: A student could 阅读全文
posted @ 2018-03-26 10:35
苗妙苗
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［抄题］： X is a good number if after rotating each digit individually by 180 degrees, we get a valid number that is different from X. Each digit must be 阅读全文
posted @ 2018-03-26 09:57
苗妙苗
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［抄题］： Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters. Please note that the s 阅读全文
posted @ 2018-03-26 09:20
苗妙苗
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