摘要：
Crazy Town is a plane on which there are n infinite line roads. Each road is defined by the equation aix + biy + ci = 0, where ai and ... 阅读全文
posted @ 2015-04-14 20:58
Herumw
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摘要：
New Year is coming, and Jaehyun decided to read many books during 2015, unlike this year. He has n books numbered by integers from 1 t... 阅读全文
posted @ 2015-04-14 15:58
Herumw
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