Created
February 10, 2017 11:37
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List repeats
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| def f(num:Int,arr:List[Int]):List[Int] = { | |
| if (!arr.isEmpty) | |
| for ( i <- 1 to num) println(arr.head) | |
| f(num, arr.tail) | |
| } | |
| def f(num:Int,arr:List[Int]):List[Int] = arr.flatMap(List.fill(num)(_)) |
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