Pishty and Triangles

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Pishty is a little boy who lives in Khust, an ancient town with a castle and smart bears. Right now, he wants you to help him with a programming problem. You are given a sequence A1, A2, ..., AN and Q queries. There are two types of queries: - 1 pos val — Set Apos = val. - 2 l r — Find the maximum possible perimeter of a triangle with non-zero area whose sides are elements of the subsequence

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L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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