工作分配问题。设有n件工作要分配给n个人去完成。将工作i分配给第j个人所需要的费用为Cij。设计一个算法，为每一个人都分配1件不同的工作，并使总费用达到最小。-Work allocation. With n pieces of work should be assigned to the n individual to complete. Will be allocated to the first j of work i need to cost individual Cij. Design