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- using System;
- using System.Threading;
- namespace ConsoleApp19
- {
- class Program
- {
- public static int[] A;
- public static int ArrayLen;
- public static int ThreadCount;
- public static object Locker = new object();
- public static int SubArrayLen;
- public static int Result = 0;
- static void Main(string[] args)
- {
- string inputData;
- Console.Write("Длина массива: ");
- inputData = Console.ReadLine();
- if (int.TryParse(inputData, out ArrayLen) == false || ArrayLen < 1)
- {
- ArrayLen = 10;
- Console.WriteLine($"Сброс до стандартных значений: {ArrayLen}");
- }
- A = new int[ArrayLen];
- Console.WriteLine("Заполнение массива:");
- UserInputArray(ref A);
- Console.WriteLine("Элементы массива: ");
- foreach (int item in A)
- Console.Write($"{item} ");
- Console.Write("\nКоличество потоков: ");
- inputData = Console.ReadLine();
- if (int.TryParse(inputData, out ThreadCount) == false || ThreadCount < 1)
- {
- ThreadCount = 1;
- Console.WriteLine($"Сброс до стандартных значений: {ThreadCount}");
- }
- if (ThreadCount > ArrayLen)
- ThreadCount = ArrayLen;
- SubArrayLen = ArrayLen / ThreadCount + 1;
- Thread[] threads = new Thread[ThreadCount];
- for (int i = 0; i < ThreadCount; i++)
- {
- PartArray partArray = new PartArray
- {
- StartIndex = i * SubArrayLen,
- EndIndex = (i + 1) * SubArrayLen
- };
- if (partArray.EndIndex > ArrayLen)
- partArray.EndIndex = ArrayLen;
- threads[i] = new Thread(() => SumWith3(partArray));
- threads[i].Name = $"Поток№{i + 1}";
- threads[i].Start();
- }
- foreach (Thread item in threads)
- {
- Console.WriteLine($"{item.Name} - запустился");
- item.Join();
- Console.WriteLine($"{item.Name} - закончил");
- }
- Console.WriteLine($"Результат: {Result}");
- Console.ReadLine();
- }
- private static void UserInputArray(ref int[] array)
- {
- for (int i = 0; i < array.Length; i++)
- {
- Console.Write($"{i + 1}:");
- if (int.TryParse(Console.ReadLine(), out array[i]) == false || array[i] < 1)
- {
- Console.WriteLine("Неправильный ввод");
- i--;
- }
- }
- }
- private static void SumWith3(PartArray partArray)
- {
- int start = partArray.StartIndex;
- int end = partArray.EndIndex;
- for (int i = start; i < end; i++)
- {
- if (A[i].ToString().EndsWith('3'))
- lock (Locker)
- Result += A[i];
- }
- }
- }
- class PartArray
- {
- public int StartIndex;
- public int EndIndex;
- }
- }
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