Package pqueue provides an implementation of priority queue derived from the work done by Robert Sedgewick and Kevin Wayne as part of Algorithms, 4th Edition. http://algs4.cs.princeton.edu/code/ Copyright (C) 2000–2016 Robert Sedgewick and Kevin Wayne Copyright (C) 2017 Kasper Kronborg Isager This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.