background: Philip likes to play the QQ game of Snooker when he wants a relax, though he was just a little vegetable-bird. Maybe you hadn’t played that game ye...

我们看到过很多直线分割平面的题目，今天的这个题目稍微有些变化，我们要求的是 n 条折线分割平面的最大数目。比如，一条折线可以将平面分成两部分，两条折线最多可以将平面分成 7 部分，具体如右所示。...

使用declare或begin关键字开头的bai叫匿名块，每次使用均需要进行编译，不能存储在数据库中且不能被其他PL/SQL调用。

There is a chessboard of size n by n . The square in the i -th row from top and j -th column from the left is labelled (i,j) .

Young Bytensson loves to hang out in the port tavern, where he often listens to the sea dogs telling their tales of seafaring.

Polycarp doesn't like integers that are divisible by 3 or end with the digit 3 in their decimal representation. Integers that meet both conditions are disliked ...

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...

大家好，又见面了，我是你们的朋友全栈君 我们日常经常用到的电脑外设日益增多，如键盘、鼠标、耳机或音箱、U盘或移动硬盘、无线移动上网卡、显示器、笔记本电池、打印机、摄像头、数码相机、手机，还有无线路...