Triconacci

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Chef has been assigned a math problem to find the $Nth$ number of a series in which each term is the summation of last three terms in the series. $Nth$ term is the sum of $(N-1)th$ term, $(N-2)th$ term and $(N-3)th$ term. Provided the first 3 terms, chef has to calculate the term at $Nth$ position but since $N$ can be very large, it would be very time consuming to do by hand. Chef has promised h

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solution.cppC++17

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