proc QuickSort(list: seq[int]): seq[int] =
if len(list) == 0:
return @[]
var pivot = list[0]
var left: seq[int] = @[]
var right: seq[int] = @[]
for i in low(list)..high(list):
if list[i] < pivot:
left.add(list[i])
elif list[i] > pivot:
right.add(list[i])
result = QuickSort(left) &
pivot &
QuickSort(right)
proc echoSeq(a: seq[int]) =
for i in low(a)..high(a):
echo(a[i])
let list = QuickSort(@[89,23,15,23,56,123,356,12,7,1,6,2,9,4,3])
let expected = @[1, 2, 3, 4, 6, 7, 9, 12, 15, 23, 56, 89, 123, 356]
doAssert list == expected