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- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- namespace dinamicArray
- {
- class Program
- {
- static void Main(string[] args)
- {
- bool isRun = true;
- string userInput;
- List<int> numbers = new List<int>();
- while (isRun)
- {
- Console.WriteLine("Вводите числа, [sum] - сложить числа, [exit] - выход");
- Console.Write("Ввод: ");
- switch (userInput = Console.ReadLine())
- {
- case "sum":
- CalculateSum(numbers);
- break;
- case "exit":
- isRun = false;
- break;
- default:
- AddNumber(numbers, userInput);
- break;
- }
- }
- }
- static void AddNumber(List<int> numbers, string userInput)
- {
- if (int.TryParse(userInput, out int number))
- {
- numbers.Add(number);
- }
- else
- {
- Console.WriteLine("Некорректный ввод!\n");
- }
- }
- static void CalculateSum(List<int> numbers)
- {
- int sum = 0;
- foreach (var number in numbers)
- {
- sum += number;
- }
- Console.WriteLine(sum);
- }
- }
- }
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