Encrypted Message

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Recently little Chef was challenged by little Devu. Devu asked little Chef to encrypt a given message efficiently which he will send to Churu. Can you help little Chef in doing so ? Problem can be stated formally as follows. Devu gave little Chef a tree containing N nodes. Each node of the tree contains an lowercase English alphabet (a - z). He also gave a set S of M strings. Using the set S and

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L1 Observation

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L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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