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Description You haveNintegers,A1,A2, ... ,AN. You need to deal with two kinds of operations. One type of operation is to add some given number to eac... 阅读全文
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Description： In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several cons... 阅读全文
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线段树（segment tree），一种二叉搜索树。比较常用。 就像这样。 推荐直接看http://wenku.baidu.com/view/94a8c01959eef8c75fbfb3d4.html （杭电的大神写的，十分推荐，特别棒。）例题：HDU 1166HDU 1754HDU 139... 阅读全文
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Description Nchildren are sitting in a circle to play a game. The children are numbered from 1 toNin clockwise order. Each of them has a card with a... 阅读全文