FCM算法是模糊聚类算法，是在对K-MEANS算法的基础上改进的聚类算法，比L-MEANS算法有更好的效果-FCM algorithm is a fuzzy clustering algorithm, clustering algorithm is improved based on the K-MEANS algorithm, the L-MEANS algorithm is better than the effect of it

设B是一个n×n棋盘,n 2k,(k 1,2,3,…),用分治法设计一个算法,使得：用若干个L型条块可以覆盖住B的除一个特殊方()