摘要：
GPAProblem DescriptionGPA(Grade-Point Average) is one way to measure students’ academic performance in PKU. Each course has an integer credit, ranges ... 阅读全文
摘要：
Dwarven Sniper’s huntingProblem DescriptionNow the hunting starts in the world named DOTA, a stupid PC game which cannot play with others together.Amo... 阅读全文
摘要：
A Simple ProblemProblem DescriptionFor a given positive integer n, please find the smallest positive integer x that we can find an integer y such that... 阅读全文