递归计算模式

代码说明：

递归计算众数，重数，输入一个整形数组，用递归计算数组中出现次数最多的数（众数）以及出现次数（重数）。-Recursive calculation mode, re-number, enter an integer array, with the recursive computation of the array appear in the highest number of number (plural), and the number of occurrences (multiplicity).