6.3 You have a five-quart jug, a three-quart jug, and an unlimited supply of water (but no measuring cups). How would you come up with exactly four qu...
分类：
其他好文 时间：
2014-06-22 23:37:07
阅读次数：
227
Ubuntu14.04下:1. 安装cups
和cups-pdf，其中cups-pdf是虚拟打印的主要模块： sudo apt-get install cups-pdf2. cups-pdf 的
backend 要求 root 权限，所以设置一下权限： sudo chmod 4755 /usr/.....
分类：
其他好文 时间：
2014-05-09 03:50:52
阅读次数：
271
The Ball And Cups
At the end of a busy day, The Chef and his assistants play a game together. The game is not just for fun but also used to decide who will have to clean the kitchen. The Chef...
分类：
其他好文 时间：
2014-05-07 07:41:32
阅读次数：
448
