oranges12

分类

题解(3)

/ 注册

全部文章（共2篇）

偷个懒用eval 不想去判断符号

function evalRPN(tokens) { // write code here let flag = ['+', '-', '*', '/']; var res = []; let sum = 0; for (let i = 0; i < tokens.leng...

2020-11-01

1 914

用 in 操作来实现

select * from employees where hire_date in ( select hire_date from employees order by hire_date desc limit 1 offset 2 )

2020-05-07

2 788