题目：假设在周末舞会上，男士和女士进入舞厅时，各自排成一队。跳舞开始时，依次从男队和女队的队头上各出一人配成舞伴。若两队初始人数不相同，则较长的那一队中未配对者等待下一轮舞曲。现要求写一算法模拟上述舞伴配对问题。-Topic: the assumption that dance over the weekend, the men and women to enter the ballroom, the respective line up a team. Dance begins, follow