2017年11月18日
Reposts CodeForces - 522A
摘要： One day Polycarp published a funny picture in a social network making a poll about the color of his handle. Many of his friends started reposting Poly 阅读全文
posted @ 2017-11-18 23:33 天之道，利而不害 阅读(424) 评论(0) 推荐(0) 编辑