北京中软笔试题 1.不许用中间变量,把String ABCDE 倒转 2.10000个数求第2大的数,不许用排序算法. 3.排序算法的测试用例 ,Beijing Sino-soft pen test 1. Not allowed to use intermediate variables, the number of String ABCDE inverted 2.10000 seeking large number of No. 2, not allowed to use so