{"version":"1.0","type":"link","title":"Stack-sortable permutation - Newikis","description":"In mathematics and computer science, a stack-sortable permutation (also called a tree permutation) is a permutation whose elements may be sorted by an algorithm whose internal storage is limited to a single stack data structure. The stack-sortable permutations are exactly the permutations that do…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}