Yusheng-Hu / Position-Pure-Algorithm Star 6 Code Issues Pull requests Discussions Official implementation and interactive visualization of the Position Pure (PP) linear-time unranking algorithm. high-performance-computing combinatorics permutation-algorithms linear-time unranking-algorithm unrank position-pure-algorithm Updated Aug 4, 2026 C++
Yusheng-Hu / Ring-Cascade-Permutation-Algorithm Star 6 Code Issues Pull requests Discussions Ring-Cascade-Permutation-Algorithm: A transformative O((n−1)!) framework for high-speed permutation generation and superpermutation construction. high-performance-computing combinatorics permutations superpermutation unranking-algorithm ring-cascade-permutation-algorithm Updated Jul 3, 2026 C++
cfcs / heap-unranking Star 1 Code Issues Pull requests Unranking and ranking functions for permutations generated by Heap's algorithm combinatorics permutation-algorithms unranking-algorithm Updated Aug 31, 2026 Rust
Ant2910 / combinatorial-unranking Star 0 Code Issues Pull requests Generator for k-permutations and k-combinations in C++. These are represented by a simplified model based on an urn. combinatorics k-permutations-of-n k-combinations unranking-algorithm Updated Mar 26, 2026 C++