A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = < x1, x2, …, xm > another sequence Z =...

We have a network of computers and a list of bi-directional connections. Each of these connections a

This time let us consider the situation in the movie “Live and Let Die” in which James Bond, the world’s most famous spy, was captured by a group of drug dealer...

While playing with geometric figures Alex has accidentally invented a concept of a nn-th order rhombus in a cell grid.

并查集，在一些有N个元素的集合应用问题中，我们通常是在开始时让每个元素构成一个单元素的集合，然后按一定顺序将属于同一组的元素所在的集合合并，其间要反复查找一个元素在哪个集合中。简单的来说就是分门别类的问题。...

You are playing a variation of game 2048. Initially you have a multiset ss of nn integers. Every integer in this multiset is a power of two.

DFS全称Deep First Search，是一种遍历或搜索树或图的算法。在解决问题上，利用递归调用自身函数（这种说法好像不正确，领悟思想就好了）来实现搜索的目的。把一个事情拆解成若干个小事，来实现最终的问题。...

对于输入的n,判断这个一个三元方程xn+yn=znx^n+y^n=z^nx**n+y**n=z*n*是否有整数解

给一有序的数组a[9]={1,2,3,4,5,6,7,8,9,}，想要确定 3 的位置。

NDI（Network Device Interface）即网络设备接口，是由美国NewTek公司开发的版权免费的标准，可使兼容的视频产品以高质量、低延迟、精确到帧的方式通讯、传输和接收广播级质量的视频，非常适合在现场直播制作环境中进行切换。 ...