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#include
#include
double power(double, double);
double power2(double, double);
double main()
{
double num, pow;
double time1, time2;
cout << "Enter the number" << endl;
cin >> num;
cout << "Enter the power" << endl;
cin >> pow;
time1 = clock();
cout << power (num, pow) << endl;
time1 = clock() - time1;
time2 = clock();
cout << power2(num, pow) << endl;
time2 = clock() - time2;
cout << "Rec : " << time1 << endl
<< "Iter: " << time2 << endl;
}
double power(double num, double pow)
{
if (pow == 1)
return num;
else
return num * power(num, pow-1);
}
double power2(double num, double pow)
{
double ans = 1;
for (int i = 1; i <= pow; i++)
ans = ans * num;
return ans;
}