悠悠我心。

摘要： 题目：H -命运Time Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusDescription穿过幽谷意味着离大魔王lemon已经无限接近了！可谁能想到，yifenfei在斩杀了一些虾兵蟹将后，却再次面临命运大迷宫的考验，这是魔王lemon设下的又一个机关。要知道，不论何人，若在迷宫中被困1小时以上，则必死无疑！可怜的yifenfei为了去救MM，义无返顾地跳进了迷宫。让我们一起帮帮执着的他吧！命运大迷宫可以看成是一个两维的方格阵列，如下图所示：yifenfei一开始在左上角，目的当然是 阅读全文

摘要： 题目：G -Multiplication PuzzleTime Limit:1000MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusDescriptionThe multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one card out of the row and scores the number of po 阅读全文

摘要： 完全背包可以通过二进制优化降低时间复杂度：D -DividingTime Limit:1000MSMemory Limit:10000KB64bit IO Format:%I64d & %I64uSubmitStatusDescriptionMarsha and Bill own a collection of marbles. They want to split the collection among themselves so that both receive an equal share of the marbles. This would be easy if all t 阅读全文