2020年6月18日
CHFDORA：哆啦 A 梦
摘要： There are n cards of different colours placed in a line, each of them can be either red, green or blue cards. Count the minimum number of cards to wit 阅读全文
posted @ 2020-06-18 23:20 XXXSANS 阅读(202) 评论(0) 推荐(0) 编辑