201403-2 窗口

#include <iostream>
using namespace std;
const int N = 15;
int n, m;
struct 
{
    int x1, y1, x2, y2;
    int id;
}w[N];
int get(int x, int y)
{
    for (int i = n; i; i -- )
    {
        auto k = w[i];
        if (x >= k.x1 && x <= k.x2 && y >= k.y1 && y <= k.y2)
            return i;
    }
    return 0;
}
int main()
{
    cin >> n >> m;
    for (int i = 1; i <= n; i ++ ) 
    {
        int x1, y1, x2, y2;
        cin >> x1 >> y1 >> x2 >> y2;
        w[i] = {x1, y1, x2, y2, i};
    }
    while (m -- )
    {
        int x, y;
        cin >> x >> y;
        int t = get(x, y);
        if (!t) puts("IGNORED");
        else
        {
            auto k = w[t];
            cout << k.id << endl;
            for (int i = t; i < n; i ++ ) 
                w[i] = w[i + 1];
            w[n] = k;
        }
    }
    return 0;
}