题目链接 :http://poj.org/problem?id=3177 Description In order to <= F <= ,) grazing fields (which are numbered ..F) to another field, Bessie and the rest of the herd are forced to cross near the Tree of Rotten Apples. The cows are now tired of often bei…
Starting in the top left corner of a 22 grid, and only being able to move to the right and down, there are exactly 6 routes to the bottom right corner. How many such routes are there through a 2020 grid? 题目大意: 从一个22网格的左上角开始,有6条(不允许往回走)通往右下角的路. 对于2020…
Scout YYF I Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5565 Accepted: 1553 Description YYF is a couragous scout. Now he is on a dangerous mission which is to penetrate into the enemy's base. After overcoming a series difficulties,…
题目链接:http://vjudge.net/contest/view.action?cid=51369#problem/A (A - Children of the Candy Corn) http://poj.org/problem?id=2488 (A Knight's Journey) (不知道为什么,名字竟然不同哇~~~~还是poj 改名改得好) 题目意思:给出一个p * q 的棋盘,行用阿拉伯数字1,2,...,p-1, p 来表示,列从大写字母'A'开始表示.我这里为了简化…