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Problem DescriptionGiven n integers.You have two operations:U A B: replace the Ath number by B. (index counting from 0)Q A B: output t... 阅读全文
posted @ 2015-05-26 21:31
Herumw
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DescriptionThere is a number of disjoint vertical line segments in the plane. We say that two segments are horizontally visible if the... 阅读全文
posted @ 2015-05-26 17:58
Herumw
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Time Limit: 1000MS Memory Limit: 65536KTotal Submissions: 47849 Accepted: 13894DescriptionThe citizens of Bytetown, AB, could not stan... 阅读全文
posted @ 2015-05-26 12:33
Herumw
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