Archive 2017 01/18 淺談旅行推銷員問題 (Travelling Salesman Problem) 搜索加速 DLXbranch-and-reduce algorithm批改娘 2016 06/24 批改娘 10038. Fast Covering Problem DLXbranch-and-reduce algorithm批改娘最少重複覆蓋最少點集覆蓋