2019年7月18日
codeforces316E3
摘要： Summer Homework CodeForces - 316E3 By the age of three Smart Beaver mastered all arithmetic operations and got this summer homework from the amazed te 阅读全文
posted @ 2019-07-18 20:48 yccdu 阅读(210) 评论(0) 推荐(0) 编辑
codeforces997C
摘要： Sky Full of Stars CodeForces - 997C On one of the planets of Solar system, in Atmosphere University, many students are fans of bingo game. It is well 阅读全文
posted @ 2019-07-18 09:17 yccdu 阅读(484) 评论(0) 推荐(0) 编辑