exam-review.cpp

#include <iostream>

#include <cstdlib>

#include <string>

#include <cmath>

using namespace std;

double calc_square(double n) {
	return n * n;
}


string greet_name(string name) {
	return "hello " + name;
}

const double CM_PER_INCH = 2.54;

double inches_to_cm(double x) {
	return x * CM_PER_INCH;
}

bool can_swim_now(int temp) {
	if (temp < 80) { return false; }
	else if ((80 <= temp) and (temp <= 94)) { return true; }
	else if (temp >= 95) { return false; }
}

string chem(int x) {
	if (x < 6) { return "acid";}
	else if (7 == x) { return "neutral";}
	else if (x >= 8) { return "base";}
}

int main() {

	cout << boolalpha;
	cout << can_swim_now(89) << endl;

	cout << inches_to_cm(10) << endl;
	cout << chem(12) << endl;


	cout << greet_name("mic") << endl;

		cout << calc_square(6)  << endl; 

	cout << 1 + 1 << endl;

	cout << "Hello" << endl;

	cout << true << endl; 
	cout << (true or false) << endl;
	cout << (1 + 5) << endl;
	// int: 5
    // double: 3.14



	system("pause");


	return EXIT_SUCCESS;

}