Created
May 7, 2017 04:15
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| def fact(i: Int) = { | |
| var res = 1 | |
| for(e <- i to 1 by -1) | |
| res = res * e | |
| res | |
| } | |
| def nCr(n: Int, r: Int) = { | |
| fact(n)/(fact(n-r) * fact(r)) | |
| } | |
| //Nested functions | |
| def nCr(n: Int, r: Int) = { | |
| def fact(i: Int) = { | |
| var res = 1 | |
| for(e <- i to 1 by -1) | |
| res = res * e | |
| res | |
| } | |
| fact(n)/(fact(n-r) * fact(r)) | |
| } |
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