#include<iostream>
using namespace std;
/*简单的引用传递*/
void swap(int &a, int &b)
{
int t = a;
a = b;
b = t;
}
int main()
{
int x = 5, y = 10;
cout << "x="<<x<<" y="<<y<<endl;
swap(x,y);
cout << "x="<<x<<" y="<<y<<endl;
return 0;
}
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转载自blog.csdn.net/qq_41814721/article/details/82467954
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