Bobby_Z的博客

Pushing Boxes 推箱子Description推箱子是一款经典的小游戏，为简化问题，假设只有一个箱子。游戏在一个R行C列的由单位格子组成的区域中进行，每一步，你可以移动到相邻的四个格子中的一个，前提是那个格子是空的；或者，如果你在箱子旁边，你也可以推动箱子前进一格，当然不能推到区域外面。 初始时你在其中某个格子内，你要把箱子推到指定格子。又由于箱子很重，所以你要用尽量少的推动次数。

NetworkDescriptionA network administrator manages a large network. The network consists of N computers and M links between pairs of computers. Any pair of computers are connected directly or indirect

NetworkDescriptionYixght is a manager of the company called SzqNetwork(SN). Now she’s very worried because she has just received a bad news which denotes that DxtNetwork(DN), the SN’s business rival,

The merchantDescriptionThere are NN cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and wants to earn as much money as pos