cf/mirror

Find Extra One

CF
900A800· newbie1s256 MB⌨ stdin/stdout
#geometry#implementation

Examples

Sample 1of 3
Input
3
1 1
-1 -1
2 -1
Output
Yes
Sample 2of 3
Input
4
1 1
2 2
-1 1
-2 2
Output
No
Sample 3of 3
Input
3
1 2
2 1
4 60
Output
Yes
900A.cpp
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Ln 11·137 BGNU C++20 (64)