Fliptile Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 16558 Accepted: 6056 Description Farmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity for cows in whic…
Description It is always very nice to have little brothers or sisters. You can tease them, lock them in the bathroom or put red hot chili in their sandwiches. But there is also a time when all meanness comes back! As you know, in one month it is Chri…
Problem Description A robot has been programmed to follow the instructions in its path. Instructions for the next direction the robot is to move are laid down in a grid. The possible instructions are N north (up the page)S south (down the page)E east…
新的方法和概念,常常比解决问题本身更重要. ————华罗庚 引子 深度优先搜索(Deep First Search) 广度优先搜索(Breath First Search) 当菜鸟们(比如我)初步接触算法的时候,会接触这两种简单的盲目搜索算法,相较与其他众多的算法,这两种算法相对较好理解,运用范围也很广,在众多的学科竞赛里都可以见到它们的影子,话不多说,我们开始. 深度优先搜索(Deep First Search) 深度优先搜索算法(Depth First Search):一种用于遍历或搜索树或…