Programming/[C++]
[C++] Reference(레퍼런스)
iD이드
2018. 3. 21. 16:25
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#include<iostream>
using namespace std;
void change(int &a, int &b);
void main() {
int a = 10;
int b = 20;
int &c = a; //reference 변수 선언 : a를 c로도 부르겠다.
/*change(a, b);
cout << a << endl;
cout << b << endl;*/
/*cout << &a << endl;
cout << &b << endl;
cout << &c << endl;*/
//cout << a << endl;
//cout << b << endl;
//cout << c << endl;
c = b;
cout << a << endl;
cout << b << endl;
cout << c << endl;
}
void change(int &a, int &b) {
int temp;
temp = a;
a = b;
b = temp;
}
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cs |