A game with primes

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Prithvi , An AI machine which likes playing with prime numbers. A prime number is given to prithvi , He has to calculate the primitive numbers of the given prime number. A number X is primitive of a prime number P, if (X^i) mod P generates all numbers in range 1 to P-1 where i ranges from 1 to P-1. Due to government’s erratic power cut operations, prithvi has malfunctioned and failed to execute it

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solution.cppC++17

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