登陆mysql [email protected]:~/ruby/mydiary$ mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. 查看所有的数据库 mysql> show databases; --注意必须要用;结尾否则不会立即执行代码 +--------------------+ | Database | +--------------------+ | inf
题目链接: http://poj.org/problem?id=2773 Happy 2006 Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 9131 Accepted: 3073 Description Two positive integers are said to be relatively prime to each other if the Great Common Divisor (GCD) is 1.