Michael Vu blaisebaileyfinnegan
blaisebaileyfinnegan
/ gist:7609870
Created
November 23, 2013 02:03
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| import scala.annotation.tailrec | |
| def pascal(c: Int, r: Int): Int = { | |
| if ((c > r) || (c < 0)) 0 | |
| else if (r == 0) 1 | |
| else pascal(c - 1, r - 1) + pascal(c, r - 1) | |
| } | |
| def balance(chars: List[Char]): Boolean = { | |
| @tailrec |