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Problem 2961 >> 在网上找了两三个std跑这个数据似乎都错了?
GEOTCBRL @ 2016-09-09 22:19:16
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input

4
0 -3 1
0 7 8
0 6 7
1 6 0

output

No

似乎有些程序没判查询点纵坐标为0的样子。。。
corsica @ 2019-02-21 14:39:12
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纵坐标为0的都被卡了啊
Stargazer @ 2019-03-18 10:54:25
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不是保证纵坐标为正吗
Stargazer @ 2019-03-18 15:18:34
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哦哦当我没说
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