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DescriptionInput输入文件的第1行包含两个数N和M，N表示初始时数列中数的个数，M表示要进行的操作数目。第2行包含N个数字，描述初始时的数列。以下M行，每行一条命令，格式参见问题描述中的表格。Output对于输入数据中的GET-SUM和MAX-SUM操作，向输出文件依次打印结果，每个答... 阅读全文
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原帖：http://fanhq666.blog.163.com/blog/static/819434262011021105212299/你的Treap能支持以下操作吗？1.区间增减2.区间求最小3.区间反转（倒序）4.区间移动（把一段剪切、粘贴）不能？只能用splay？其实，Treap也可以办到。... 阅读全文
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DescriptionNewman likes playing with cats. He possesses lots of cats in his home. Because the number of cats is really huge, Newman wants to group som... 阅读全文
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DescriptionOur Black Box represents a primitive database. It can save an integer array and has a special i variable. At the initial moment Black Box i... 阅读全文
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Problem DescriptionSean owns a company and he is the BOSS.The other Staff has one Superior.every staff has a loyalty and ability.Some times Sean will ... 阅读全文