Write a C function, unsigned int power (unsigned int x, unsigned int p), that calculates xp. Place the function in a file with a filename hw3_prob3-5. c. Include a main function that calls this function with several values to test the function. Be sure to handle the case of p = 0.

unsigned int power (unsigned int x, unsigned int p)

{

unsigned int answer = 1;

while (p--)

{

answer * = x;

}

return answer;

}

void Test (unsigned x, unsigned int p, unsigned int expected)

{

int answer = power (x, p);

std::cout << x << "^" << p << "=" << answer;

if (answer = = expected)

{

std::cout << " (as expected) " << std::endl;

}

else

{

std::cout << " ERROR" << std::endl;

}

}

int main ()

{

Test (3, 0, 1);

Test (3, 1, 3);

Test (3, 2, 9);

}

Explanation:

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