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题解报告：hdu 2036 改革春风吹满地 （求多边形的面积） Problem Description “ 改革春风吹满地,不会AC没关系;实在不行回老家，还有一亩三分地。谢谢!（乐队奏乐）”话说部分学生心态极好，每天就知道游戏，这次考试如此简单的题目，也是云里雾里，而且，还竟然来这么几句打油诗。好 阅读全文
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Description Once 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, 阅读全文
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Problem Description There are a lot of trees in an area. A peasant wants to buy a rope to surround all these trees. So at first he must know the minim 阅读全文
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Problem Description My birthday is coming up and traditionally I'm serving pie. Not just one pie, no, I have a number N of them, of various tastes and 阅读全文