Given an array of 4 digits, return the largest 24 hour time that can be made. The smallest 24 hour time is 00:00, and the largest is 23:59. Starting from 00:00, a time is larger if more time has elapsed since midnight. Return the answer as a string…
今天做项目的时候,遇到个小小的问题,在数据库中查询的时候,要用String类型的ID进行一下排序!(注:ID字段为 varchar 类型) 解决的方法: 如: SELECT * FROM Student WHERE 1 = 1 ORDER BY -ID DESC 或者: SELECT * FROM Student WHERE 1 = 1 ORDER BY (ID + 1) mysql时间格式化,按时间段查询MYSQL语句 2011-04-15 09:01:08| 分类: MySQL |…
A. Numbers Joke time limit per test:2 seconds memory limit per test:64 megabytes input:standard input output:standard output Input The input contains a single integer a (1 ≤ a ≤ 30). Output Output a single integer. Example Input 3 Output 27 题目链接:ht…