2018年4月11日
CodeForces - 676C
摘要： High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of th 阅读全文
posted @ 2018-04-11 23:16 test1024 阅读(132) 评论(0) 推荐(0)
CodeForces - 762B
摘要： Due to the increase in the number of students of Berland State University it was decided to equip a new computer room. You were given the task of buyi 阅读全文
posted @ 2018-04-11 20:21 test1024 阅读(208) 评论(0) 推荐(0)