结构体赋值--更改中

#include<iostream>
#include<cstdio>
using namespace std;
const int N=11;
int n,m;
struct node
{
	int x1,y1,x2,y2;
	void copy(node &temp){
		x1=temp.x1;
		y1=temp.y1;
		x2=temp.x2;
		y2=temp.y2;
	}
}a[N];
int main(){
    node temp;
    cin>>a[0].x1>>a[0].y1>>a[0].x2>>a[0].y2;
    temp.copy(a[0]);
    cout<<temp.x1<<" "<<temp.y1<<" "<<temp.x2<<" "<<temp.y2;
return 0;
}