#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

//目的：練習：函數陣列參數的傳遞，可以用*指標，或陣列[] 
//(1).注意1：陣列名稱就是記憶體位址變數 = 指標
//int a1[];      a1 = *a1 

//(2).陣列宣告法：
//int socre[3]

//(3).陣列指標告法：
//int * score3 = new int[3]; 

double show1(int s[], int n);
double show2(int * s, int n);
int main(int argc, char** argv) {
	
	int score1[3]={85,90,91};
	int score2[3]={100,100,93};
	int * score3 = new int[3];
	score3[0] = 82;
	score3[1] = 76; 
	score3[2] = 75; 
	
	double avg = show1(score1, 3);
	cout<<"第1位同學成績 = "<<avg<<endl; 
	cout<<endl;
	
	avg = show2(score2, 3);
	cout<<"第2位同學成績 = "<<avg<<endl; 	
	cout<<endl;

	avg = show1(score3, 3);
	cout<<"第3位同學成績 = "<<avg<<endl; 	
	cout<<endl;	
	
	return 0;
}

//////////////////////////////////////
double show1(int s[], int n)
{
	double avg;
	for(int i=0;i<n;i++)
	{
		avg += s[i]/n;	
	} 
	return avg;
}


//////////////////////////////////////
double show2(int * s, int n)
{
	double avg;
	for(int i=0;i<n;i++)
	{
		avg += s[i]/n;	
	} 
	return avg;
}