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Author: mmalinova

LU1/Ex1/ParallelPrograming.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Ex1
+{
+    class ParallelPrograming
+    {
+        public static void Main() {
+
+            var cores = Environment.ProcessorCount;
+
+            Stopwatch sw = new Stopwatch();
+
+            int[] dataItems = new int[100000000];
+            double[] resultItem = new double[100000000];
+
+            for (int i = 0; i < dataItems.Length; i++)
+            {
+                dataItems[i] = i;
+            }
+
+            sw.Start();
+            for (int i = 0; i < dataItems.Length; i++)
+            {
+                resultItem[i] = Math.Pow(dataItems[i], 2);
+            }
+            sw.Stop();
+            Console.WriteLine(sw.ElapsedMilliseconds);
+            sw.Reset();
+
+            sw.Start();
+            Parallel.For (0, dataItems.Length, i => {
+                resultItem[i] = Math.Pow(dataItems[i], 2);
+            });
+            sw.Stop();
+            Console.WriteLine(sw.ElapsedMilliseconds);
+
+            Console.WriteLine("Press enter to finish");
+            Console.ReadLine();
+        }
+    }
+}

LU1/Ex1/ProgrArrayListExample.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Ex1
+{
+    class ProgrArrayListExample
+    {
+        /*
+        public static void Main()
+        {
+            ArrayList list = new ArrayList();
+            list.Add("Hello");
+            list.Add(5);
+            list.Add(3.14);
+            list.Add(DateTime.Now);
+
+            for (int i = 0; i < list.Count; i++)
+            {
+                object value = list[i];
+                Console.WriteLine("Index = {0}; Value = {1}\n", i, value);
+            }
+        }
+         */
+    }
+}

LU1/Ex1/Program.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Ex1
+{
+    class Program
+    {
+        /*static void Main(string[] args)
+        {
+            int[][] myJaggedArray = {
+                                        new int[] {5, 7, 2},
+                                        new int[] {10, 20, 40},
+                                        new int[] {3, 25}
+                                    };
+
+            int[][,] jaggedOfMulti = new int[2][,];
+            jaggedOfMulti[0] = new int[,] { {5, 15}, {125, 206}};
+            jaggedOfMulti[1] = new int[,] { {3, 4, 5}, {7, 8, 9} };
+
+            Console.WriteLine("Enter the number of rows: ");
+            int rows = int.Parse(Console.ReadLine());
+
+            Console.WriteLine("Enter the number of cols: ");
+            int cols = int.Parse(Console.ReadLine());
+
+            int[,] matrix = new int[rows, cols];
+
+            Console.WriteLine("Enter the cells of the matrix:");
+
+            matrix = fillMatrix(rows, cols);
+
+            printMatrix(matrix, rows, cols);
+
+
+            int[] numbers = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
+            foreach (int i in numbers)
+            {
+                Console.Write(" " + i);
+            }
+            Console.WriteLine();
+
+
+        }
+
+        private static void printMatrix(int[,] matrix, int rows, int cols)
+        {
+            for (int row = 0; row < matrix.GetLength(0); row++)
+            {
+                for (int col = 0; col < matrix.GetLength(1); col++)
+                {
+                    Console.Write(" " + matrix[row, col]);
+                }
+                Console.WriteLine();
+            }
+        }
+
+        private static int[,] fillMatrix(int rows, int cols)
+        {
+            int[,] matrix = new int[rows, cols];
+
+            for (int row = 0; row < rows; row++)
+            {
+                for (int col = 0; col < cols; col++)
+                {
+                    Console.Write("matrix[{0}, {1}] = ", row, col);
+                    matrix[row, col] = int.Parse(Console.ReadLine());
+                }
+            }
+            return matrix;
+        }
+         */
+    }
+}