例如:想象A,B,C是零售商,W X Y Z是产品,目标是尽量减少访问量,降低价格。如果访问最少的零售商和下一个最少的零售商的成本> t,则选择下一个前者。
The largest subset containing all elements would be B:{WXYZ} with a cost of 16.t = 16 - 9 > 5.So we pick B:{XYZ} - 7 C:
让我们说这是我们的文字:
text = 'After 1992 , the winter and summer Olympics will be held two years apart , with the revised schedule beginning with the winter games in 1994 and the summer games in 1996 . ) Now , Mr. Pilson -- a former college basketball player who says a good negotiator needs `` a level of