最长的递增子序列 Bobo学会了如何计算ICPCCamp中O（nlogn）中的最长增加子序列（LIS）。 对于那些没有加入ICPCCamp的人来说，召回LIS（a1，a2，…，an）被定义为f [...

提示: In the first sample the number already is one-digit — Herald can’t cast a spell. The second test contains number 10. After one casting of a spell it bec...

1)编写一个指定要的校验注解@Documented@Constraint(validatedBy = { ListValueConstraintValidator.class })@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER, T...

今天来探索一个问题，如何绘制一块扇形区域路径，并且校验触点是否落在 扇形区域 之中。这个问题对于绘制 饼图 及处理手势事件校验非常重要。

在开发过程中像获取字符串长度、字符串截取、字符串转数组这样的方法我们常用会很熟悉，但是有很多实用方法我们并不了解。

也许你两个都不知道,也许你除了isEmpty/isNotEmpty/isNotBlank/isBlank外,并不知道还有isAnyEmpty/isNoneEmpty/isAnyBlank/isNoneBlank的存在, come on ,让我们一起来探索org.apache.commons.lang3.StringUt......

Prior to beginning tis assignment, please download the studentsdb.sql, studentdb.pdf and the Index.php file from the course web site.In this assignment, you ar...

题目描述One day, Ahmed_Hossam went to Hemose and said "Let's solve a gym contest!". Hemose didn't want to do that, as he was playing Valorant, so he came up with ...

You are given n integers a_1, a_2, ldots, a_n . Find the maximum value of max(a_l, a_{l + 1}, ldots, a_r) cdot min(a_l, a_{l + 1}, ldots, a_r) over all pair...

Highway 201 is the most busy street in Rockport. Traffic cars cause a lot of hindrances to races, especially when there are a lot of them. The track which passe...