CodeForces 510 A. Fox And Snake(模拟啊 )
Fox Ciel starts to learn programming. The first task is … 阅读更多
Fox Ciel starts to learn programming. The first task is … 阅读更多
Note Bywe define the remainder of integer division ofib … 阅读更多
There are n walruses standing in a queue in an airport. … 阅读更多