Ithildir

import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.VersionSelectorScheme

apply plugin: "java"
apply plugin: "maven"

group = "com.example"

String installVersion = System.getProperty("installVersion")

if (installVersion) {

omarmiatello

/**
 * Copyright 2013 Omar Miatello - omar.miatello@justonetouch.it
 * Based on http://stackoverflow.com/a/18000094/1228545
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *

trietptm

appendlist([], X, X).
appendlist([T|H], X, [T|L]) :- appendlist(H, X, L).

permutation([], []).
permutation([X], [X]) :-!.
permutation([T|H], X) :- permutation(H, H1), appendlist(L1, L2, H1), appendlist(L1, [T], X1), appendlist(X1, L2, X).