cppMathE2.cpp

/**
 *	from C++ Math: Exercise 2 ( https://www.w3schools.com/cpp/exercise.asp?filename=exercise_math2 )
 *
 *	question:
 *	Use the correct function to print the square root of x.
 *
 *	#include <iostream>
 *	#include <_____>
 *	using namespace std;
 *
 *	int main() {
 *		int x = 64;
 *		cout << ____(x);
 *		return 0;
 *	}
 *
 */
#include <iostream>
#include <cmath>
using namespace std;

int main() {
	int x = 64;
	cout << sqrt(x);
	return 0;
}