#include int &gradenum(int grade[],int size,int &upsixty,int &lowsixty);void main(){ int array[5][5]={{85,75,56,85,51},{62,78,36,59,44},{85,76,59,86,99},{89,69,54,83,72},{68,72,98,73,88}}; int ups=0,lows=0; int number=5; int subject=5; for(int i=0;i gradenum(array[i],subject,ups,lows)++; cout cout}int &gradenum(int grade[],int size,int &upsixty,int &lowsixty){ int sum=0; for(int i=0;i sum+=grade[i]; sum/=size; if(sum>=60) return upsixty; else return lowsixty;}