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object test {
type String = java.lang.String;
def while(def c: Boolean)(def b: Unit): Unit =
if (c) { b ; while(c)(b) }
else ();
def sort(a: Array[Double]): Unit = {
def swap(i: Int, j: Int): Unit = {
val t = a(i) ; val u = a.apply(j) ; a(i) = u ; a(j) = t
}
def sort1(l: Int, r: Int): Unit = {
val pivot = a((l + r) / 2);
var i = l, j = r;
while (i <= j) {
while (a(i) < pivot) { i = i + 1 }
while (a(j) > pivot) { j = j - 1 }
if (i <= j) {
swap(i, j);
i = i + 1;
j = j - 1;
}
}
if (l < j) sort1(l, j);
if (j < r) sort1(i, r);
}
sort1(0, a.length - 1);
}
}
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