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sort.scala
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// Inmperative version | |
// | |
def selectionSort(list: Array[Int]): Unit { | |
def swap(list: Array[Int], i: Int, j: Int) { | |
var tmp = list(i) | |
list(i) = list(j) | |
list(j) = tmp | |
} | |
var i = 0 | |
while(i < (list.length - 1)) { | |
var min = i | |
var j = i + 1 | |
while (j < list.length) { | |
if(list(j) < list(min)) { | |
min = j | |
} | |
j += 1 | |
} | |
swap(list, i, min) | |
i += 1 | |
} | |
} | |
// Functional / Recursive version | |
// | |
def selectionSort2(list: List[Int]): List[Int] = { | |
if(list.length == 1) list | |
else { | |
// Pseudo code | |
// list.min :: selectionSort2(list.everything_but_min) | |
} | |
} |
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