Created
March 16, 2020 18:59
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| def fibonacci(n: Int): Int = | |
| if (n == 0) 0 | |
| else if (n == 1) 1 | |
| else fibonacci(n - 1) + fibonacci(n - 2) | |
| @scala.annotation.tailrec | |
| def tailFibonacci(n: Int, prev: Int = 0, acc: Int = 1): Int = | |
| if (n == 0) prev | |
| else if (n == 1) acc | |
| else tailFibonacci(n - 1, acc, acc + prev) |
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