2017年8月18日
Luogu P1649 [USACO07OCT]障碍路线Obstacle Course
摘要： 题目描述 Consider an N x N (1 <= N <= 100) square field composed of 1 by 1 tiles. Some of these tiles are impassible by cows and are marked with an 'x' in 阅读全文
posted @ 2017-08-18 19:36 Hammer_cwz_77 阅读(1612) 评论(0) 推荐(1) 编辑