C++ recursion program
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1. Modify this pop() function, so that it uses recursion.
int Stack::pop()
{
if (isEmpty())
{
cerr << "Attempting to Pop from an Empty stack!!" << endl;
return -1;
}
else
{
int temp = nodes[curTop];
curTop--;
return temp;
}
}
2. Rewrite the following power() function so that it uses recursion. Provide a function main to test the implementation.
power.cpp
#include <iostream>
using namespace std;
int power(int number, int exponent)
{
int retval = 1;
for (int i=0; i < exponent; i++)
{
retval = retval * number;
}
return retval;
}
int main(int argc, char **argv)
{
cout << power(2, 3) << endl;
cout << power(3, 6) << endl;
cout << power(4, 9) << endl;
return 0;
}
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Solution Summary
C++ recursion implementation for pop() and power() functionality
Solution Preview
Dear Student,
Part 2 is simple:
int power(int number, int exponent)
{
int retval = 1;
if (exponent == 1)
{
retval = number;
}
else if (exponent > -1)
{
exponent--;
retval = number * (power(number,exponent));
}
return retval;
}
As for Part ...
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