摘要：DreamGrid has a nonnegative integer . He would like to divide into nonnegative integers and minimizes their bitwise or (i.e. and should be as small as 阅读全文

摘要：Chiaki has 3n3n points p1,p2,…,p3np1,p2,…,p3n. It is guaranteed that no three points are collinear. Chiaki would like to construct nn ... 阅读全文

摘要：C. Three Parts of the Arraytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou ar... 阅读全文

摘要：B. Polycarp's Practicetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp i... 阅读全文

摘要：DescriptionA tremendously exciting raffle is being held, with some tremendously exciting prizes being given out. All you have to do to... 阅读全文