布拉多1024

摘要： You’re typing a long text with a broken keyboard. Well it’s not so badly broken. The only problem with the keyboard is that sometimes the “home” key o 阅读全文

摘要： You have n boxes in a line on the table numbered 1*...n* from left to right. Your task is to simulate 4 kinds of commands: • 1 X Y : move box X to the 阅读全文