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为WA的同志们提供几组测试数据-+-- ++++ -+-- -+-- 1 2 2 ++++ ++++ ++++ ++++ 16 1 1 1 2 1 3 1 4 2 1 2 2 2 3 2 4 3 1 3 2 3 3 3 4 4 1 4 2 4 3 4 4 +--+ +--- +++- +++- 3 1 1 2 2 2 3 +--- -+++ ++++ ++++ 4 1 1 2 2 2 3 2 4 -+++ ++++ -+++ -+++ 3 2 2 2 3 2 4 ++-+ ++++ ++++ ++++ 9 2 1 2 2 2 4 3 1 3 2 3 4 4 1 4 2 4 4 Followed by:
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