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Change-Id: Iad2963c7f9c184b089dc6d15aa4442f58d194bc2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151983 Reviewed-by: Nicholas Shahan <nshahan@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
23 lines
576 B
Dart
23 lines
576 B
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart version of two-argument Ackermann-Peter function.
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import "package:expect/expect.dart";
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class AckermannTest {
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static int ack(int m, int n) {
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return m == 0
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? n + 1
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: ((n == 0) ? ack(m - 1, 1) : ack(m - 1, ack(m, n - 1)));
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}
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static testMain() {
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Expect.equals(253, ack(3, 5));
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}
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}
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main() {
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AckermannTest.testMain();
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}
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