用c写的，m个人的成绩存放在score数组中，请编写函数fun,它的功能是：将低于平均分的人数作为函数值返回，将低于平均分的分数放在below所指定的数组中。用vc++6.0运行 -Written with c, m, personal results stored in the score array, write the function fun, its functions are: to be lower than the average number is returned as th