shunfurh 于 2017.11.15 00:08 提问
- Flow
-
Problem Description
Sample Input
3
-1 2 2
2 -1 2
2 2 -1
3
-1 1 2
1 -1 2
2 2 -1Sample Output
YES
-1 1 1
1 -1 1
1 1 -1
NO
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shunfurh 于 2017.11.15 00:08 提问
Problem Description
Sample Input
3
-1 2 2
2 -1 2
2 2 -1
3
-1 1 2
1 -1 2
2 2 -1
Sample Output
YES
-1 1 1
1 -1 1
1 1 -1
NO