摘要:
ChessboardTime Limit:2000MSMemory Limit:65536KTotal Submissions:12800Accepted:4000DescriptionAlice and Bob often play games on chessboard. One day, Al... 阅读全文
摘要:
Gopher IITime Limit:2000MSMemory Limit:65536KTotal Submissions:6345Accepted:2599DescriptionThe gopher family, having averted the canine threat, must f... 阅读全文