exact cover
In mathematics, given a collection \mathcal{S} of subsets of a set X, an exact cover is a subcollection \mathcal{S}^* of \mathcal{S} such that each element in X is contained in exactly one subset in \mathcal{S}^*.
2025-11-23 20:54 浏览次数 12
In mathematics, given a collection \mathcal{S} of subsets of a set X, an exact cover is a subcollection \mathcal{S}^* of \mathcal{S} such that each element in X is contained in exactly one subset in \mathcal{S}^*.