LearningCPP/main.cpp

#include <iostream>
#include <cstdint> // for std::int64_t
#include <cassert> // for assert

std::int64_t powint(std::int64_t base, int exp)
{
	assert(exp >= 0 && "powint: exp parameter has negative value");

	std::int64_t result{ 1 };
	while (exp)
	{
		if (exp & 1) {
            std::cout << "a : " << result << "\n";
            result *= base;
		}
		std::cout << "b : " << exp << "\n";
		exp >>= 1;
		std::cout << "c : " << base << "\n";
		base *= base;
	}

	return result;
}

int main()
{
	std::cout << powint(7, 12); // 7 to the 12th power

	return 0;
}