#869. 某寒冰说振刀要手速

    ID: 869 Type: Default 1000ms 256MiB Tried: 5 Accepted: 1 Difficulty: 10 Uploaded By: Tags>南阳理工学院第三届省内高校新生程序设计大赛(初赛)

某寒冰说振刀要手速

./869/file/problem.pdf