You are given n flowers (numbered 1,...,n), and m vases (numbered 1,...,m) to put them in. You know that if you put the ith flower in the kth vase, it will have a beauty score of Bli, k] (which may be negative). Each vase can hold at most one flower. If you leave a vase empty, it will have a beauty score of zero. You do not have to use all n flowers. However, there is one restriction on the arrangement -- to place two flowers i and j in vases k and I respectively, if i