7ii.cpp

《C/C＋＋程序设计导论（第二版）》一书的程序源文件

#include <iostream.h>
// AverageInput2 ()  Input N values and return average.
//   IN:  N -- the number of values to input and average.
//  ASSUMPTION: at least one value is entered.
float AverageInput2 (int N)
{	float sum = 0.0, value;
	int count;
	for (count=0; count < N; count=count+1)
	{	cin >> value;
		sum = sum + value;
	}
	return (sum / count);
}
void main()
 { cout << AverageInput2 (4);
 }