摘要: 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 阅读(130) 评论(0) 推荐(0) 编辑
摘要: 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 阅读(146) 评论(0) 推荐(0) 编辑
摘要: 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 阅读(89) 评论(0) 推荐(0) 编辑