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

void changevalue(int a);
void changearray(int b[], int length);

int main(int argc, char** argv) {
	//1.傳值呼叫
	int a = 1;
	cout<<"(before) a = "<<a<<endl;	
	changevalue(a);
	cout<<"(after) a = "<<a<<endl;
	cout<<endl;
	cout<<endl;
	
	//2.傳址呼叫
	int b[] = {1,2,3,4,5};
	cout<<"(before) b[] = ";
	for(int i=0;i<5;i++)
	{
		cout<<b[i]<<", ";
	}
	cout<<endl;
	changearray(b, 5);
	cout<<"(after) b[] = ";
	for(int i=0;i<5;i++)
	{
		cout<<b[i]<<", ";
	}
	 
	return 0;
}


void changevalue(int a)
{
	a = a + 100;
	cout<<"(inside fuction) a = "<<a<<endl;
}

void changearray(int b[], int length)
{
	cout<<"(inside fuction) b[] = ";
	for(int i=0;i<length;i++)
	{
		b[i] = b[i] + 100;
		cout<<b[i]<<", ";
	}
	cout<<endl;
}