摘要:
InputInput contains a single line with all labels of the requested goods (in random order). Each kind of goods is represented by the starting letter o... 阅读全文
摘要:
WERTYUTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 8371Accepted: 4007Description A common typing error is to place the hands on the keyboa... 阅读全文