namespace SALES
{
    const int QUARTERS=4;
    struct Sales
    {
        double sales[QUARTERS];
        double average;
        double max;
        double min;
    };
    void setSales(Sales &s,const double ar[],int n);
    void setSales(Sales &s);
    void showSales(const Sales &s);
}

Quote:

引用第1楼xuer于2007-10-07 10:22发表的 :
#include<iostream>
#include"H1.H"
using namespace SALES;
void setSales(Sales &s,const double ar[],int n)
{
.......

这个错误，应该是namespace SALES
{
}
而不是using namespace SALES;