合工大 OJ 1322 窗口

#include<iostream>
#include<algorithm>
using namespace std;

struct window{
	int x1,y1;
	int x2,y2;
	int id;
}; 

void swap(window &a,window &b)
{
	window t;
	t.x1=a.x1;t.y1=a.y1;t.x2=a.x2;t.y2=a.y2;t.id=a.id;
	a.x1=b.x1;a.y1=b.y1;a.x2=b.x2;a.y2=b.y2;a.id=b.id;
	b.x1=t.x1;b.y1=t.y1;b.x2=t.x2;b.y2=t.y2;b.id=t.id;
}

window w[12];

void Adjust(window w[],int n,int x)
{
	for(int i=x;i<n;i++)
		swap(w[i],w[i+1]);
}

int main()
{
	int n,m,ans;
	while(cin>>n>>m) 
	{
		ans=0;
		for(int i=1;i<=n;i++)
		{
			cin>>w[i].x1>>w[i].y1>>w[i].x2>>w[i].y2;
			w[i].id=i;
		}
		for(int i=0;i<m;i++)
		{
			int a,b,j;
			cin>>a>>b;
			for(j=n;j>0;j--)
			{
				if(a>=w[j].x1 && a<=w[j].x2 && b>=w[j].y1 && b<=w[j].y2)
				{
					Adjust(w,n,j);
					break;
				}
			}
			if(j==0)
				cout<<"IGNORED"<<endl;
			else
				cout<<w[n].id<<endl;
		}
	}
	return 0;
}