牛客网Sql: 1.查询最晚入职的员工信息 select * from employees where hire_date =(select max(hire_date) from employees) //日期最大值就是最晚的 表 select * from employees where hire_date=(select max(hire_date) from employees); 2.查找入职员工时间排名倒数第三的员工所有信息 LIMIT m,n : 表示从第m+1条开始,取n…
链接:https://www.nowcoder.com/acm/contest/139/D来源:牛客网 Two undirected simple graphs and where are isomorphic when there exists a bijection on V satisfying if and only if {x, y} ∈ E2. Given two graphs and , count the number of graphs satisfying the foll…