! Copyright (C) 2020 Bubbler. ! See http://factorcode.org/license.txt for BSD license. USING: help.markup help.syntax kernel sequences ; IN: rosalind.sign HELP: sign { $values { "n" "An integer" } { "seq" "A sequence" } { "len" "An integer" } } { $description "Solves the problem SIGN on Rosalind: output all signed permutations, along with the count of them. A signed permutation is defined as a permutation of 1 to n, where each number can have positive or negative sign attached." } ; HELP: sign-main { $description "Solves the problem SIGN on Rosalind, using a real dataset." } ; ARTICLE: "rosalind.sign" "rosalind.sign" { $vocab-link "rosalind.sign" } ; ABOUT: "rosalind.sign"