PK and THANMAY

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Problem Once THANMAY met PK who is from a different planet visiting earth. THANMAY was very fascinate to learn PK's language. The language contains only lowercase English letters and is based on a simple logic that only certain characters can follow a particular character. Now he is interested in calculating the number of possible words of length L and ending at a particular character C. Help

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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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