static void Main(string[] args) { Dictionary <string, PriceAndQuantity> productDictionary = new Dictionary <string, PriceAndQuantity>(); string input = Console.ReadLine(); while (input != "buy") { PriceAndQuantity newProduct = new PriceAndQuantity(); newProduct.Price = double.Parse(input.Split()[1]); newProduct.Quantity = int.Parse(input.Split()[2]); string productName = input.Split()[0]; if (productDictionary.ContainsKey(productName)) { productDictionary[productName].Price = newProduct.Price; productDictionary[productName].Quantity += newProduct.Quantity; } else { productDictionary.Add(productName, newProduct); } input = Console.ReadLine(); } foreach (var product in productDictionary) { Console.WriteLine($"{product.Key} -> {product.Value.Price*product.Value.Quantity:f2}"); } }
static void Main(string[] args) { string input = Console.ReadLine(); var products = new Dictionary <string, PriceAndQuantity>(); while (input != "buy") { string[] product = input.Split(' '); string nameOfProduct = product[0]; double priceOfProduct = double.Parse(product[1]); int quantityOfProduct = int.Parse(product[2]); if (products.ContainsKey(nameOfProduct)) { products[nameOfProduct].Quantity += quantityOfProduct; products[nameOfProduct].Price = priceOfProduct; } else { PriceAndQuantity priceAndQuantity = new PriceAndQuantity { Price = priceOfProduct, Quantity = quantityOfProduct }; products.Add(nameOfProduct, priceAndQuantity); } input = Console.ReadLine(); } foreach (var product in products) { double totalPrice = product.Value.Price * product.Value.Quantity; Console.WriteLine($"{product.Key} -> {totalPrice:F2}"); } }