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back to boardSome facts about the test All the X of the input are difference. (Maybe Y are different too. I haven't tried That means, the following test won't exist: ----- 4 1 1 2 3 2 2 4 4 ----- This may be important for you to solve this question more easily (at least for me, my code won't work that situation and get AC in 0.031s though) Good luck! |
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