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虽然不知道为什么你的代码就过了, 但是之前有人发的数据明显能把你hack掉, 数据如下

Posted by QuantumBolt at 2021-07-14 00:12:29 on Problem 1474
In Reply To:想到以前刚学半平面交调了一天的代码的我 Posted by:2422 at 2020-06-16 14:38:31
5
0 -4
0 4
4 4
2 0
4 -4
6
0 -4
0 4
4 4
3 2
3 -2
4 -4
0

最后结果一定是存在的, 但你的两个输出都是impossible

ps:这题真把我做吐了

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