Блог пользователя whatthemomooofun1729

Автор whatthemomooofun1729, история, 5 месяцев назад, По-английски

I am working on BOI 2012 Brackets. The official editorial uses DP to solve the problem, but I noticed that for any length $$$N$$$ strings of the form (((((....(((((, the answer is $$$C(N-2)$$$. Is there any way to generalize this observation to a solution to the problem using Catalan numbers?

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