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感恩，贡献三组数据

Posted by a1b3c7d9 at 2020-01-31 17:24:08 on Problem 3335 
3
5
0 4
2 6
2 1
1 1
1 3

9
0 4
2 6
2 1
3 1
3 0
0 0
0 1
1 1
1 3

13
4 6
5 5
6 5
5 4
6 3
5 3
4 2
3 3
2 3
3 4
2 5
3 5

ans:YES NO YES
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