Lattice Point or Not

题目描述

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2868 [PDF](https://uva.onlinejudge.org/external/117/p11768.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11768/d54ebcd076665ed3073d5945f75942945498c19e.png)

输入输出格式

输入格式

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11768/b579e30627e9bc1bfeb5f31f456c256401d4a194.png)

输出格式

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11768/bb0d36a4d9d815620bf2d35836312c781fc1c553.png)

输入输出样例

输入样例 #1

3
10.1 10.1 11.2 11.2
10.2 100.3 300.3 11.1
1.0 1.0 2.0 2.0

输出样例 #1

1
0
2