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There can be at least another correct solution but it is not clear which one is the answer to the question. For instance,
5 2
1
2
3
4
6
has several solution, some of them are
1 2 1 2
2 1 2 1
1 2 2 1
1 2 1 2
2 1 1 2
Which one should I print? You may output any correct solution. Problem statement is fixed. Can we consider a guy with one hand to be a brother of another one with three hands if there is no 2-hands guy in input data? Of course g>=3 in this case. Yes, if g>=3 then 1-hand and 3-hands guys may be brothers. And their 2-hands brother just didn't go to cinema. :) |
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