Numerical DOOM

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Problem description. Garg in recent past has seen a lot of nightmares – basically Numerical Nightmares. The evil entity in his dreams seemed to show Garg a particular function as follows :- int troll(N) { r=0 for (i = 1 ,i int foo(N) { r = 0 for (i = 1 ,i Here gcd(a,b) denotes Greatest Common Divisor between a and b. Garg woke up all on a sudden. He eventually realised that troll(N) will only

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solution.cppC++17

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