组合价值观 [英] Combinate values

问题描述

大家好，

我需要编写一个接受元素列表（1到10之间）的方法，并返回包含所有可能序列的列表。

I need to write a method that accept a list of elements (between 1 and 10) and that returns a list of list that contains all possible sequences.

例如：输入

{ "a", "b", "c" }

输出： 

{ "a" },
{ "b" },
{ "c" },
{ "a", "b" },
{ "a", "c" },
{ "b", "a" },
{ "b", "c" },
{ "c", "a" },
{ "c", "b" },
{ "a", "b", "c" },
{ "a", "c", "b" },
{ "b", "a", "c" },
{ "b", "c", "a" },
{ "c", "a", "b" },
{ "c", "b", "a" },

看似简单，但我找不到怎么做

Seems easy, but I fail to find how to do that

感谢您的帮助

Jojo

推荐答案

这可能有所帮助：  https://www.codeproject.com/Articles/26050/Permutations-Combinations- and-Variations-using-CG

I n general，搜索"c＃combinatorics"。或者"组合算法"或"组合算法"。可以帮助你。

In general, searching for "c# combinatorics" or "combinatorics algorithms" may help you along.

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