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2016暑假多校联合 To My Girlfriend Problem Description Dear GuoI never forget the moment I met with you.You carefully asked me: "I have a very difficult prob 阅读全文
摘要:
2016暑假多校联合 A Simple Chess Problem Description There is a n×m board, a chess want to go to the position (n,m) from the position (1,1).The chess is able 阅读全文