14011f47e3
They're back from the grave, and ready to party! Change-Id: I088134a9be7ecabf1fbf751c015a656a15cabff9 Reviewed-on: https://dart-review.googlesource.com/12821 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: William Hesse <whesse@google.com>
23 lines
564 B
Dart
23 lines
564 B
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
// Dart version of two-argument Ackermann-Peter function.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
class AckermannTest {
|
|
static ack(m, n) {
|
|
return m == 0
|
|
? n + 1
|
|
: ((n == 0) ? ack(m - 1, 1) : ack(m - 1, ack(m, n - 1)));
|
|
}
|
|
|
|
static testMain() {
|
|
Expect.equals(253, ack(3, 5));
|
|
}
|
|
}
|
|
|
|
main() {
|
|
AckermannTest.testMain();
|
|
}
|