問題：
How would you go about testing all possible combinations of additions from a given set N of numbers so they add up to a given final number?您將如何測試給定N組數字中所有可能的加法組合，以便將它們加起來爲給定的最終數字？
A brief example:一個簡單的例子：
- Set of numbers to add:
N = {1,5,22,15,0,...}要添加的一組數字：N = {1,5,22,15,0,...} - Desired result:
12345預期結果：12345
解決方案：
參考一： https://stackoom.com/question/JR4s參考二： Finding all possible combinations of numbers to reach a given sum