Question: Given the following function int Ulam(int num) { if (num <2) return 1; else if (num %2 ==0) return Ulam(num/2); else return Ulam(3* num +1);

Given the following function

int Ulam(int num)

{

if (num <2)

return 1;

else if (num %2 ==0)

return Ulam(num/2);

else

return Ulam(3* num +1);

}

a.What problems come up in verifiying this function?

b.How many recursive calls are made by the following initial calls?

cout << Ulam(7) <

cout << Ulam(8) <

cout << Ulam(15) << endl;

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