2019年4月24日
codeforces131D
摘要： Subway CodeForces - 131D A subway scheme, classic for all Berland cities is represented by a set of nstations connected by n passages, each of which c 阅读全文
posted @ 2019-04-24 23:06 yccdu 阅读(227) 评论(0) 推荐(0) 编辑
codeforces463D
摘要： Gargari and Permutations CodeForces - 463D Gargari got bored to play with the bishops and now, after solving the problem about them, he is trying to d 阅读全文
posted @ 2019-04-24 18:47 yccdu 阅读(332) 评论(0) 推荐(0) 编辑