摘要：
Mike and some bears are playing a game just for fun. Mike is the judge. All bears except Mike are standing in ann × mgrid, there's exactly one bear in... 阅读全文
摘要：
Mike has a frog and a flower. His frog is named Xaniar and his flower is named Abol. Initially(at time0), height of Xaniar ish1and height of Abol ish2... 阅读全文
摘要：
Problem DescriptionAs this term is going to end, DRD needs to prepare for his final exams.DRD hasnexams. They are all hard, but their difficulties are... 阅读全文