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Rodunskiy

May 11th, 2025

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C# 2.20 KB | None | 0 0

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namespace CSLight
{
public class Program
{
private static List<double> numbers = new List<double>();
private const string ExitCommand = "exit";
private const string SumCommand = "sum";
static void Main(string[] args)
{
bool isWorking = true;
while (isWorking)
{
DisplayNumbers();
string input = GetUserInput();
switch (input)
{
case ExitCommand:
ExitProgram(ref isWorking);
break;
case SumCommand:
CalculateAndDisplaySum();
break;
default:
TryAddNumber(input);
break;
}
}
}
static void DisplayNumbers()
{
Console.WriteLine("Введенные числа: " + string.Join(", ", numbers));
}
static string GetUserInput()
{
Console.Write($"Введите число или команду {SumCommand}/{ExitCommand}: ");
return Console.ReadLine();
}
static void ExitProgram(ref bool isWorking)
{
Console.WriteLine("Выход из программы.");
isWorking = false;
}
static void CalculateAndDisplaySum()
{
double sum = 0;
foreach (double number in numbers)
{
sum += number;
}
Console.WriteLine($"Сумма введенных чисел: {sum}");
}
static void TryAddNumber(string input)
{
if (double.TryParse(input, out double number))
{
numbers.Add(number);
Console.WriteLine($"Число {number} добавлено.");
}
else
{
Console.WriteLine($"Некорректный ввод. Пожалуйста, введите число или команду {SumCommand}/{ExitCommand}.");
}
}
}
}

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