PIC 10A Homework 2

hw02.cpp

#include <iostream>
#include <string>
#include <iomanip>

using namespace std;

int main(){

	const int FIRST_COL_WIDTH = 20;
	const int SECOND_COL_WIDTH = 10;

	string first_category;
	string second_category;
	int number_in_first_category;
	int number_in_second_category; // declare two strings for the two categories and two integers for the numerical value for each

	cout << "How many in the first category? ";
	cin >> number_in_first_category >> first_category;

	cout << "How many in the second category? ";
	cin >> number_in_second_category >> second_category; // input number in each category and type of name

	double ratio_first_category_to_second_category = (double)number_in_first_category / number_in_second_category;
	double ratio_second_category_to_first_category = (double)number_in_second_category / number_in_first_category; // equations for calculating ratios between the two categories

	cout << fixed;
	cout << setprecision(2); // set decimal precision to two places

	cout << setw(FIRST_COL_WIDTH) << first_category << setw(SECOND_COL_WIDTH) << number_in_first_category << endl;
	cout << setw(FIRST_COL_WIDTH) << second_category << setw(SECOND_COL_WIDTH) << number_in_second_category << endl;

	string ratio_first_category;
	string ratio_second_category;

	int n = first_category.length() - 1;
	ratio_first_category = first_category.erase(n, 2);

	int m = second_category.length() - 1;
	ratio_second_category = second_category.erase(m, 1); // erase "s" from category names to make them singular nouns

	cout << setw(FIRST_COL_WIDTH) << ratio_first_category + "-to-" + ratio_second_category + " ratio" << setw(SECOND_COL_WIDTH) << ratio_first_category_to_second_category << endl;
	cout << setw(FIRST_COL_WIDTH) << ratio_second_category + "-to-" + ratio_first_category + " ratio" << setw(SECOND_COL_WIDTH) << ratio_second_category_to_first_category << endl;

	system("pause");
	return 0;
	}