Recognize the the base case

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Reference no: EM1332005

Consider the following recursive function.

int mystery(int number)
{
if(number == 0)
return number;
else
return(number + mystery(number - 1));
}

a. Identify the base case.
b. Identify the general case.
c. What valid values can be passed as parameters to the function mystery?
d. If mystery(0) is a valid call, what is its value? If not, explain why.
e. If mystery(5) is a valid call, what is its value? If not, explain why.
f. If mystery(-3) is a valid call, what is its value? If not, explain why.

8. Consider the following recursive function:

void funcRec(int u, char v)
{
if(u == 0)
cout<<v;
else if(u == 1)
cout<<static_cast<char>(static_cast<int>(v) + 1);
else
funcRec(u - 1, v);
}

a. Identify the base case.
b. Identify the general case.
c. What is the output of the following statement? funcRec(5, 'A');

Reference no: EM1332005

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