2018年4月12日
[CodeForces299D]Distinct Paths
摘要： Description You have a rectangular n × m cell board. Some cells are already painted some of k colors. You need to paint each uncolored cell one of the 阅读全文
posted @ 2018-04-12 10:16 LJZ_C 阅读(189) 评论(0) 推荐(0)
[CodeForces540C]Ice Cave
摘要： Description You play a computer game. Your character stands on some level of a multilevel ice cave. In order to move on forward, you need to descend o 阅读全文
posted @ 2018-04-12 09:56 LJZ_C 阅读(201) 评论(0) 推荐(0)