Created
April 22, 2018 22:01
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| void Main() | |
| { | |
| var list0 = new List<int>(); | |
| var list1 = new List<int>() | |
| { | |
| 1 | |
| }; | |
| var list2 = new List<int> | |
| { | |
| 0,1,-2 | |
| }; | |
| Sum(list0).Dump($"{list0.Stringify()}"); | |
| Sum(list1).Dump($"{list1.Stringify()}"); | |
| Sum(list2).Dump($"{list2.Stringify()}"); | |
| } | |
| int Sum(IList<int> listNumbers, int startIndex = 0) | |
| { | |
| if (startIndex == listNumbers.Count) | |
| { | |
| return 0; | |
| } | |
| if (startIndex == listNumbers.Count - 1) | |
| { | |
| return listNumbers[startIndex]; | |
| } | |
| return listNumbers[startIndex] + Sum(listNumbers, startIndex + 1); | |
| } | |
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