C++ Program to Calculate the Power of a Number Using While Loop

In this program, base and exponent are assigned values 3 and 4 respectively.

Using the while loop, we keep on multiplying result by base until exponent becomes zero.

In this case, we multiply result by base 4 times in total, so result = 1 * 3 * 3 * 3 * 3 = 81.

C++ Code:


#include <iostream>
using namespace std;
int main() {

system ("CLS"); //to clear the screen

int base,exponent,res;
cout<<"Enter value of base: ";
cin>>base;
cout<<"Enter value of exponent: ";
cin>>exponent;

        long result = 1;

        while (exponent != 0)
        {
            result *= base;
            --exponent;
        }
cout<<"Result="<<result;
return 0;
}

#include <iostream>

using namespace std;

int main() {

system ("CLS"); //to clear the screen

int base,exponent,res;

cout<<"Enter value of base: ";

cin>>base;

cout<<"Enter value of exponent: ";

cin>>exponent;

long result = 1;

while (exponent != 0)

{

result *= base;

--exponent;

}

cout<<"Result="<<result;

return 0;

}

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