#include <iostream>
#include <vector>
#include <string>
#include <cstdlib>

using namespace std;

int main()
{
	struct item {
		string name;
		double price;
	};

	vector<item> shopping_list {
		{"Apples", 2.59},
		{"Milk",   4.99},
		{"Bread",  6.25}
	};

	string input_name;
	double input_price;

	cout << "Current list has " << shopping_list.size() << " items.\n";
	cout << "Would you like to add more? (Type 'done' for the name to stop)";

	for (;;) {
		cout << "\nEnter item name: ";
		cin >> ws; //Discard the newline typed after the previous price.

		getline(cin, input_name);  //input entire line, not just 1 word

		if (!cin) {
			cerr << "Sorry, couldn't read that.\n";
			continue;   //Go around the for loop again.
		}

		if (input_name == "done") {
			break; 
		}

		cout << "Enter price: ";
		cin >> input_price;

		shopping_list.push_back({input_name, input_price});
	}

	const vector<item>::size_type n {shopping_list.size()};
	double total_cost {0.0};

	cout << "Final Grocery List" << "\n";

	for (vector<item>::size_type i {0}; i < n; ++i) {
		cout << shopping_list[i].name << ": $"  << shopping_list[i].price << "\n";
		
		total_cost += shopping_list[i].price;
	}

	cout << "Total Items: " << n << "\n";
	cout << "Final Total: $" << total_cost << "\n";

	return EXIT_SUCCESS;
}