105 lines
3.2 KiB
C#
105 lines
3.2 KiB
C#
/*
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* Author: Nikolay Dvurechensky
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* Site: https://www.dvurechensky.pro/
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* Gmail: dvurechenskysoft@gmail.com
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* Last Updated: 12 мая 2025 02:47:11
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* Version: 1.0.3
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*/
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using System;
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/*
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* пишем калькулятор C#
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*/
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class Program
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{
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static void Main()
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{
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while (true)
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{
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Console.Clear();
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double a, b, result;
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string action;
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try
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{
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//if else
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Console.WriteLine(value: "Введите первое число");
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a = double.Parse(Console.ReadLine());
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Console.WriteLine(value: "Введите первое число");
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b = double.Parse(Console.ReadLine());
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Console.WriteLine(value: "Действие + - % * /");
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action = Console.ReadLine();
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result = 0;
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if (action == "+")
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{
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result = a + b;
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}
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else if (action == "-")
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{
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result = a - b;
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}
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else if (action == "%")
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{
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result = a % b;
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}
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else if (action == "*")
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{
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result = a * b;
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}
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else if (action == "/")
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{
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if (b == 0)
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result = 0;
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else
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result = a / b;
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}
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else
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{
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Console.WriteLine(Environment.NewLine + "Я не знаю!");
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}
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Console.WriteLine("Результат if else: " + result);
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//switch
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Console.WriteLine(Environment.NewLine + "Введите действие + - * % /" + Environment.NewLine);
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ConsoleKey consoleKey = Console.ReadKey().Key;
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switch (consoleKey)
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{
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case ConsoleKey.Add:
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case ConsoleKey.OemPlus:
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result = a + b;
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break;
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case ConsoleKey.Subtract:
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case ConsoleKey.OemMinus:
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result = a - b;
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break;
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case ConsoleKey.Multiply:
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result = a * b;
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break;
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case ConsoleKey.Divide:
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if (b == 0)
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result = 0;
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else
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result = a / b;
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break;
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case ConsoleKey.D5:
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result = a % b;
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break;
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default:
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Console.WriteLine(Environment.NewLine + "Я не знаю!");
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break;
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}
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Console.WriteLine(Environment.NewLine + "Результат switch: " + result);
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}
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catch (Exception)
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{
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Console.WriteLine("Ошибка!");
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continue;
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}
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Console.ReadLine();
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}
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}
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} |