luogu P1003 铺地毯

 1 #include <iostream>
 2 using namespace std;
 3 int main()
 4 {
 5     int n,x,y;
 6     int x1[11000],y1[11000],lx[11000],ly[11000];
 7     cin >> n;
 8     for (int i = 1;i <= n;i++)
 9         cin >> x1[i] >> y1[i] >> lx[i] >> ly[i];
10     cin >> x >> y;
11     for (int i = n;i >= 1;i--)
12     {
13         if ((x1[i] <= x && x <= x1[i] + lx[i]) && (y1[i] <= y && y <= y1[i] + ly[i]))
14         {
15             cout << i << endl;
16             return 0;
17         }
18     }
19     //如果在这个位置还没有结束程序
20     cout << -1 << endl; 
21     return 0;
22 }
心之所动且就随缘去吧