gistfile1.txt

#include <iostream>
#include <iomanip>

const int LOWER = 0;
const int UPPER = 300;
const int STEP = 20;

double f_to_c(double f){
	return (f - 32) * (5.0 / 9.0);
}

int main (int argc, char * const argv[]) {
	std::cout << std::setw(4) << "F" << "|" << std::setw(4) << "C" << std::endl;
	std::cout << "---------" << std::endl;
	for (int ctr = LOWER; ctr <= UPPER; ctr += STEP) {
		std::cout << std::setw(4) << ctr << "|" << std::setw(4) << f_to_c(ctr) << std::endl;
	}
    return 0;
}