407.cpp

来自「C++实训教程」· C++ 代码 · 共 23 行

//407.CPP  DEMO reference using  as return type
#include <iostream.h>
int& Fn(int * p,int i);
main()
{
	const S=4;
	int  a[S] = {1,3,5,-1};
	for (int j = 0; j<S; j++)
	{
		Fn(a,j) += 1;
		cout << Fn(a,j) << endl;
	}
	return 0;
}
int& Fn(int * p,int i)
{	return p[i];}
/*
2
4
6
0
*/