https://www.sulprobil.de/tags/permutations/ Recent content in Permutations on Sulprobil Hugo en Wed, 20 May 2026 04:36:00 +0100 https://www.sulprobil.de/quickperm_en/ Wed, 20 May 2026 04:36:00 +0100 https://www.sulprobil.de/quickperm_en/ <h2 id="abstract">Abstract</h2> <p>If you need to generate all permutations of an array I suggest to use the algorithm (external link!) <a href="https://www.quickperm.org">Quickperm</a>. It is one of the most efficient permutation algorithms. It is based on swaps of single array elements and inspired by Heap sort.</p> <p>The version presented here is the CountDown variant. For the Excel / VBA implementation all indices were increased by one so that arrays start with index 1.</p> <h2 id="example">Example</h2> <p>Input:</p>