多关键字排序的实现,利用多关键字排序进行高考分数处理，除了需对总分进行排序外，不同的专业对单科分数的要求不同，因此在总分相同的情况下，按用户提出的单科分数的次序要求排出考生录取的次序（详见题集p169）。-The realization of multi-key sort using multiple keyword ranking for the college entrance examination scores of treatment, in addition to be sort of out of, the different professions require different scores on the single subject, so out of the same circumstances, according to the user' s Billing Division of the scores of candidates taking the order requirements of the order of discharge (see problem sets p169).