2011年2月7日

POJ 3090 Visible Lattice Points 欧拉函数
摘要： http://poj.org/problem?id=3090Visible Lattice PointsTime Limit:1000MSMemory Limit:65536KDescriptionA lattice point (x,y) in the first quadrant (xandyare integers greater than or equal to 0), other than the origin, is visible from the origin if the line from (0, 0) to (x,y) does not pass through any 阅读全文
posted @ 2011-02-07 20:02 yming0221 阅读(112) 评论(0) 推荐(0)
POJ 1113 Wall 凸包
摘要： http://poj.org/problem?id=1113WallTime Limit:1000MSMemory Limit:10000KTotal Submissions:16323Accepted:5243DescriptionOnce upon a time there was a greedy King who ordered his chief Architect to build a wall around the King's castle. The King was so greedy, that he would not listen to his Architec 阅读全文
posted @ 2011-02-07 11:19 yming0221 阅读(202) 评论(0) 推荐(0)

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