Mr lebron的博客

Problem Description 　　We all use cell phone today. And we must be familiar with the intelligent English input method on the cell phone. To be specific, the number buttons may correspond to some Engli

Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white and the other one is black and each piece is lying e

时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 终于，小Hi和小Ho踏上了回国的旅程。在飞机上，望着采购来的特产——小Hi陷入了沉思：还记得在上上周他们去超市的时候，前前后后挑了那么多的东西，都幸运的没有任何其他人（售货员/其他顾客）来打搅他们的采购过程。但是如果发生了这样的事情，他们的采购又会变得如何呢？ 于是小Hi便向小Ho提出了