finally

2026-02-12 01:01:44 +03:00
commit 43d7845cf1
23 changed files with 1353 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,363 @@
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+StyleCopReport.xml
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+# Fody - auto-generated XML schema
+FodyWeavers.xsd
--- a/App.xaml
+++ b/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="Lab.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:Lab"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -0,0 +1,14 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace Lab
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+
+}
--- a/ArrayReverseWindow.xaml
+++ b/ArrayReverseWindow.xaml
@@ -0,0 +1,42 @@
+<Window x:Class="Lab.ArrayReverseWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Lab"
+        mc:Ignorable="d"
+        Title="ЛР3.1 - Инверсия массива" Height="450" Width="800">
+    <Grid Margin="14">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <StackPanel Grid.Row="0" Margin="0,0,0,10">
+            <TextBlock FontSize="18" FontWeight="SemiBold" Text="ЛР3.1: Инвертировать массив"/>
+            <TextBlock TextWrapping="Wrap" Margin="0,6,0,0">
+                Введите элементы массива (числа) одной строкой. Разделители: пробел, запятая, ;.
+                Программа развернёт массив «на месте» (через обмен элементов).
+            </TextBlock>
+        </StackPanel>
+
+        <TextBlock Grid.Row="1" FontWeight="SemiBold" Text="Ввод массива:"/>
+        <TextBox Grid.Row="2" x:Name="ArrayInBox" Height="70" TextWrapping="Wrap" AcceptsReturn="True" VerticalScrollBarVisibility="Auto"/>
+
+        <StackPanel Grid.Row="3" Orientation="Horizontal">
+            <Button Content="Инвертировать" Click="ClickReverse" MinWidth="140" MinHeight="30"/>
+            <Button Content="Очистить" Margin="10,0,0,0" Click="ClickClear" MinWidth="140" MinHeight="30"/>
+            <Button Content="Назад" Margin="10,0,0,0" Click="ClickBack" MinWidth="140" MinHeight="30"/>
+        </StackPanel>
+
+        <TextBlock Grid.Row="4" FontWeight="SemiBold" Text="Результат:"/>
+        <TextBox Grid.Row="5" x:Name="ArrayOutBox" TextWrapping="Wrap" IsReadOnly="True" VerticalScrollBarVisibility="Auto"/>
+
+        <TextBlock Grid.Row="6" x:Name="ArrayInfoText" Opacity="0.85" TextWrapping="Wrap"/>
+    </Grid>
+</Window>
--- a/ArrayReverseWindow.xaml.cs
+++ b/ArrayReverseWindow.xaml.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Lab
+{
+    /// <summary>
+    /// Interaction logic for ArrayReverseWindow.xaml
+    /// </summary>
+    public partial class ArrayReverseWindow : Window
+    {
+        private void ClickBack(object sender, RoutedEventArgs e) => Close();
+        private void ClickClear(object sender, RoutedEventArgs e)
+        {
+            ArrayInBox.Clear();
+            ArrayOutBox.Clear();
+            ArrayInfoText.Text = "";
+        }
+
+        private void ClickReverse(object sender, RoutedEventArgs e)
+        {
+            ArrayOutBox.Clear();
+            ArrayInfoText.Text = "";
+
+            if (!Parsers.TryParseDoubleArray(ArrayInBox.Text, out double[] vals, out string err))
+            {
+                ArrayInfoText.Text = err;
+                return;
+            }
+
+            for(int i=0,j=vals.Length-1;i<j;i++,j--)(vals[i],vals[j])=(vals[j],vals[i]);
+
+            ArrayOutBox.Text = string.Join(", ", vals);
+            ArrayInfoText.Text = $"Готово. Длина массива: {vals.Length}.";
+        }
+
+        public ArrayReverseWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}
--- a/AssemblyInfo.cs
+++ b/AssemblyInfo.cs
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]
--- a/ClassMultiplyWindow.xaml
+++ b/ClassMultiplyWindow.xaml
@@ -0,0 +1,53 @@
+<Window x:Class="Lab.ClassMultiplyWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Lab"
+        mc:Ignorable="d"
+        Title="ЛР5.1 — Класс + multiply" Height="450" Width="800">
+    <Grid Margin="14">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+        </Grid.RowDefinitions>
+
+        <StackPanel Grid.Row="0" Margin="0,0,0,10">
+            <TextBlock FontSize="18" FontWeight="SemiBold" Text="ЛР5.1: Класс (first/second) и метод multiply(double)"/>
+            <TextBlock TextWrapping="Wrap" Margin="0,6,0,0">
+                Объект описывает число first + second, где first — целая часть (int), а second — дробная часть (double) в диапазоне [0;1).
+                Метод multiply(double) возвращает новый объект, умноженный на заданное число.
+            </TextBlock>
+        </StackPanel>
+
+        <Grid Grid.Row="1" Margin="0,0,0,8">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto"/>
+                <ColumnDefinition Width="*"/>
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="Auto"/>
+            </Grid.RowDefinitions>
+
+            <Label Grid.Row="0" Grid.Column="0" Content="first:" VerticalAlignment="Center"/>
+            <TextBox Grid.Row="0" Grid.Column="1" x:Name="FirstBox" Text="3"/>
+
+            <Label Grid.Row="1" Grid.Column="0" Content="second (0 ≤ second &lt; 1):" VerticalAlignment="Center"/>
+            <TextBox Grid.Row="1" Grid.Column="1" x:Name="SecondBox" Text="0.25"/>
+
+            <Label Grid.Row="2" Grid.Column="0" Content="k (множитель):" VerticalAlignment="Center"/>
+            <TextBox Grid.Row="2" Grid.Column="1" x:Name="KBox" Text="2"/>
+        </Grid>
+
+        <StackPanel Grid.Row="2" Orientation="Horizontal">
+            <Button Content="Умножить" Click="ClickMul" MinWidth="140" MinHeight="30"/>
+            <Button Content="Назад" Margin="10,0,0,0" Click="ClickBack" MinWidth="140" MinHeight="30"/>
+        </StackPanel>
+
+        <TextBlock Grid.Row="3" Padding="10" x:Name="ClassOutText" TextWrapping="Wrap" />
+    </Grid>
+</Window>
--- a/ClassMultiplyWindow.xaml.cs
+++ b/ClassMultiplyWindow.xaml.cs
@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Lab
+{
+    /// <summary>
+    /// Interaction logic for ClassMultiplyWindow.xaml
+    /// </summary>
+    public partial class ClassMultiplyWindow : Window
+    {
+        private void ClickBack(object sender, RoutedEventArgs e) => Close();
+
+        private void ClickMul(object sender, RoutedEventArgs e)
+        {
+            ClassOutText.Text = "";
+
+            if (!Parsers.TryParseDouble(FirstBox.Text, out var first))
+            {
+                ClassOutText.Text = "first должен быть числом.";
+                return;
+            }
+
+            if (!Parsers.TryParseDouble(SecondBox.Text, out var second))
+            {
+                ClassOutText.Text = "second должен быть числом.";
+                return;
+            }
+
+            if (second < 0 || second >= 1)
+            {
+                ClassOutText.Text = "second должен быть в диапазоне [0; 1).";
+                return;
+            }
+
+            if (!Parsers.TryParseDouble(KBox.Text, out var k))
+            {
+                ClassOutText.Text = "k должен быть числом.";
+                return;
+            }
+
+            var num = new SplitNumber();
+            num.Value = first + second;
+
+            double val = num.Value;
+            first = num.first;
+            second = num.second;
+            
+            num.Multiply(k);
+
+            ClassOutText.Text =
+                $"Исходное число: {val} (first={first}, second={second})\n" +
+                $"Множитель k = {k}\n" +
+                $"Результат: {num.Value} (first={num.first}, second={num.second})";
+        }
+
+        public ClassMultiplyWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}
--- a/FibonacciWindow.xaml
+++ b/FibonacciWindow.xaml
@@ -0,0 +1,43 @@
+<Window x:Class="Lab.FibonacciWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Lab"
+        mc:Ignorable="d"
+        Title="ЛР2.2 - Фибоначчи" Height="450" Width="800">
+    <Grid Margin="14">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <StackPanel Grid.Row="0" Margin="0,0,0,10">
+            <TextBlock FontSize="18" FontWeight="SemiBold" Text="ЛР2.2: Числа Фибоначчи меньше N"/>
+            <TextBlock TextWrapping="Wrap" Margin="0,6,0,0">
+                Введите целое N (N &gt; 0). Программа выведет все числа Фибоначчи, строго меньшие N.
+            </TextBlock>
+        </StackPanel>
+
+        <Grid Grid.Row="1" Margin="0,0,0,8">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto"/>
+                <ColumnDefinition Width="*"/>
+            </Grid.ColumnDefinitions>
+            <Label Grid.Column="0" Content="N:" VerticalAlignment="Center"/>
+            <TextBox Grid.Column="1" x:Name="NBox"/>
+        </Grid>
+
+        <StackPanel Grid.Row="2" Orientation="Horizontal">
+            <Button Content="Посчитать" Click="ClickCalc" MinWidth="140" MinHeight="30"/>
+            <Button Content="Назад" Margin="10,0,0,0" Click="ClickBack" MinWidth="140" MinHeight="30"/>
+        </StackPanel>
+
+        <TextBox Grid.Row="3" x:Name="OutBox" TextWrapping="Wrap" IsReadOnly="True" VerticalScrollBarVisibility="Auto" Margin="0,10,0,10" />
+
+        <TextBlock Grid.Row="4" x:Name="InfoText" Opacity="0.85" TextWrapping="Wrap" />
+    </Grid>
+</Window>
--- a/FibonacciWindow.xaml.cs
+++ b/FibonacciWindow.xaml.cs
@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Lab
+{
+    /// <summary>
+    /// Interaction logic for FibonacciWindow.xaml
+    /// </summary>
+
+    public partial class FibonacciWindow : Window
+    {
+        private void ClickBack(object sender, RoutedEventArgs e) => Close();
+
+        private void ClickCalc(object sender, RoutedEventArgs e)
+        {
+            OutBox.Text = "";
+            InfoText.Text = "";
+
+            if (!Parsers.TryParseInt(NBox.Text, out int n) || n <= 0) {
+                InfoText.Text = "Введите целое N, N > 0.";
+                return;
+            }
+
+            long a = 1;
+            long b = 1;
+            List<long> list = new List<long>();
+            while (a < n) { list.Add(a); long next = a + b; a = b; b = next; }
+
+            OutBox.Text = string.Join(", ", list);
+            InfoText.Text = $"Найдено чисел: {list.Count}.";
+        }
+
+        public FibonacciWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}
--- a/Lab.csproj
+++ b/Lab.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net9.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+</Project>
--- a/Lab.sln
+++ b/Lab.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36429.23 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab", "Lab.csproj", "{35D80504-6D3F-4843-90A9-9318DC835884}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{35D80504-6D3F-4843-90A9-9318DC835884}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{35D80504-6D3F-4843-90A9-9318DC835884}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{35D80504-6D3F-4843-90A9-9318DC835884}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{35D80504-6D3F-4843-90A9-9318DC835884}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {83E5F320-DB1F-40AC-A37B-B87C8CB95B48}
+	EndGlobalSection
+EndGlobal
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -0,0 +1,41 @@
+<Window x:Class="Lab.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Lab"
+        mc:Ignorable="d"
+        Title="Ну очень крутая 6 лаба" Height="450" Width="800">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*" />
+            <RowDefinition Height="2*" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <StackPanel Orientation="Vertical" Grid.Row="0">
+            <TextBlock FontSize="20" FontWeight="Bold">
+                Лабораторная работа №6
+            </TextBlock>
+            <TextBlock FontSize="14" FontStyle="Italic">
+                Пресняков Илья Сергеевич
+            </TextBlock>
+        </StackPanel>
+        <Grid Margin="20" Grid.Row="1">
+            <Grid.RowDefinitions>
+                <RowDefinition />
+                <RowDefinition />
+                <RowDefinition />
+            </Grid.RowDefinitions>
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition />
+                <ColumnDefinition />
+            </Grid.ColumnDefinitions>
+            <Button Content="ЛР2.1: Треугольник"              Margin="5" Grid.Row="0" Grid.Column="0" Click="ClickOpenTriangleWindow"      />
+            <Button Content="ЛР2.2: Фибоначчи &lt; N"         Margin="5" Grid.Row="1" Grid.Column="0" Click="ClickOpenFibonacciWindow"     />
+            <Button Content="ЛР3.1: Инверсия массива"         Margin="5" Grid.Row="2" Grid.Column="0" Click="ClickOpenArrayReverseWindow"  />
+            <Button Content="ЛР3.2: Матрица 11×11"            Margin="5" Grid.Row="0" Grid.Column="1" Click="ClickOpenMatrixCompareWindow" />
+            <Button Content="ЛР4.3: Отражение матрицы"        Margin="5" Grid.Row="1" Grid.Column="1" Click="ClickOpenMatrixFlipWindow"    />
+            <Button Content="ЛР5.1: Класс + multiply(double)" Margin="5" Grid.Row="2" Grid.Column="1" Click="ClickOpenClassMultiplyWindow" />
+        </Grid>
+    </Grid>
+</Window>
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -0,0 +1,39 @@
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace Lab
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private void ClickOpenTriangleWindow      (object sender, RoutedEventArgs e) => Open( new TriangleWindow()      );
+        private void ClickOpenFibonacciWindow     (object sender, RoutedEventArgs e) => Open( new FibonacciWindow()     );
+        private void ClickOpenArrayReverseWindow  (object sender, RoutedEventArgs e) => Open( new ArrayReverseWindow()  );
+        private void ClickOpenMatrixCompareWindow (object sender, RoutedEventArgs e) => Open( new MatrixCompareWindow() );
+        private void ClickOpenMatrixFlipWindow    (object sender, RoutedEventArgs e) => Open( new MatrixFlipWindow()    );
+        private void ClickOpenClassMultiplyWindow (object sender, RoutedEventArgs e) => Open( new ClassMultiplyWindow() );
+
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        private void Open(Window w)
+        {
+            w.Owner = this;
+            w.Closed += (_, _) => Show();
+            Hide();
+            w.Show();
+        }
+    }
+}
--- a/Matrices.cs
+++ b/Matrices.cs
@@ -0,0 +1,106 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Lab
+{
+    internal class Matrices
+    {
+        public static DataTable CreateMatrix(int rows, int cols, string prefix)
+        {
+            DataTable dt = new DataTable();
+
+            for (int col = 0; col < cols; col++)
+            {
+                dt.Columns.Add($"{prefix}{col + 1}", typeof(double));
+            }
+
+            for (int row = 0; row < rows; row++)
+            {
+                DataRow dr = dt.NewRow();
+
+                for (int col = 0; col < cols; col++)
+                {
+                    dr[col] = 0;
+                }
+
+                dt.Rows.Add(dr);
+            }
+
+            return dt;
+        }
+
+        public static DataTable CreateMatrixInts(int rows, int cols, string prefix)
+        {
+            DataTable dt = new DataTable();
+
+            for (int col = 0; col < cols; col++)
+            {
+                dt.Columns.Add($"{prefix}{col + 1}", typeof(int));
+            }
+
+            for (int row = 0; row < rows; row++)
+            {
+                DataRow dr = dt.NewRow();
+
+                for (int col = 0; col < cols; col++)
+                {
+                    dr[col] = 0;
+                }
+
+                dt.Rows.Add(dr);
+            }
+
+            return dt;
+        }
+
+        public static void RandomFill(DataTable dt, int minIncl, int maxIncl)
+        {
+            Random rng = new Random();
+            for (int row = 0; row < dt.Rows.Count; row++)
+            {
+                for (int col = 0; col < dt.Columns.Count; col++)
+                {
+                    dt.Rows[row][col] = (double)rng.Next(minIncl, maxIncl + 1);
+                }
+            }
+        }
+
+        public static int[,] ToArray(DataTable dt)
+        {
+            int rows = dt.Rows.Count;
+            int cols = dt.Columns.Count;
+            var array = new int[rows, cols];
+            
+            for (int row =0; row < rows; row++)
+            {
+                for (int col = 0; col < cols; col++)
+                {
+                    array[row, col] = Convert.ToInt32(dt.Rows[row][col]);
+                }
+            }
+
+            return array;
+        }
+
+        public static DataTable FromArray(int[,] array, string prefix)
+        {
+            int rows = array.GetLength(0);
+            int cols = array.GetLength(1);
+            var dt = CreateMatrix(rows, cols, prefix);
+
+            for (int row = 0; row < rows; row++)
+            {
+                for (int col = 0; col < cols; col++)
+                {
+                    dt.Rows[row][col] = array[row, col];
+                }
+            }
+
+            return dt;
+        }
+    }
+}
--- a/MatrixCompareWindow.xaml
+++ b/MatrixCompareWindow.xaml
@@ -0,0 +1,42 @@
+<Window x:Class="Lab.MatrixCompareWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Lab"
+        mc:Ignorable="d"
+        Title="ЛР3.2 - Матрица 11x11" Height="450" Width="800">
+    <Grid Margin="14">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <StackPanel Grid.Row="0" Margin="0,0,0,10">
+            <TextBlock FontSize="18" FontWeight="SemiBold" Text="ЛР3.2: Матрица 11x11 -> матрица 0/1"/>
+            <TextBlock TextWrapping="Wrap" Margin="0,6,0,0">
+                Дана матрица A размера 11x11. Построить матрицу B того же размера, где
+                B[i,j]=1, если A[i,j] строго больше диагонального элемента A[i,i] в своей строке, иначе 0.
+            </TextBlock>
+        </StackPanel>
+
+        <StackPanel Grid.Row="1" Orientation="Horizontal">
+            <Button Content="Сгенерировать A (-25..25)" Click="ClickGen" MinWidth="140" MinHeight="30"/>
+            <Button Content="Построить B" Margin="10,0,0,0" Click="ClickBuild" MinWidth="140" MinHeight="30"/>
+            <Button Content="Назад" Margin="10,0,0,0" Click="ClickBack" MinWidth="140" MinHeight="30"/>
+        </StackPanel>
+
+        <TextBlock Grid.Row="2" FontWeight="SemiBold" Text="Матрица A (11x11):"/>
+        <DataGrid Grid.Row="3" x:Name="GridA" />
+
+        <TextBlock Grid.Row="4" FontWeight="SemiBold" Text="Матрица B (0/1):"/>
+        <DataGrid Grid.Row="5" x:Name="GridB" />
+
+        <TextBlock Grid.Row="6" x:Name="MatrixInfoText" Opacity="0.85" TextWrapping="Wrap"/>
+    </Grid>
+</Window>
--- a/MatrixCompareWindow.xaml.cs
+++ b/MatrixCompareWindow.xaml.cs
@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Lab
+{
+    /// <summary>
+    /// Interaction logic for MatrixCompareWindow.xaml
+    /// </summary>
+    public partial class MatrixCompareWindow : Window
+    {
+        private DataTable _a = Matrices.CreateMatrix(11, 11, "A");
+        private DataTable _b = Matrices.CreateMatrixInts(11, 11, "B");
+
+        private void ClickBack(object sender, RoutedEventArgs e) => Close();
+
+        private void ClickGen(object sender, RoutedEventArgs e)
+        {
+            Matrices.RandomFill(_a, -25, 25);
+            MatrixInfoText.Text = "Матрица A сгенерирована.";
+        }
+
+        private void ClickBuild(object sender, RoutedEventArgs e)
+        {
+            var a = Matrices.ToArray(_a);
+            var b = new int[11, 11];
+
+            for (int row = 0; row < 11; row++)
+            {
+                int diag = a[row, row];
+
+                for (int col = 0; col < 11; col++)
+                {
+                    b[row, col] = a[row, col] > diag ? 1 : 0;
+                }
+            }
+
+            _b = Matrices.FromArray(b, "B");
+            GridB.ItemsSource = _b.DefaultView;
+
+            MatrixInfoText.Text = "Матрица B построена.";
+        }
+
+        public MatrixCompareWindow()
+        {
+            InitializeComponent();
+            GridA.ItemsSource = _a.DefaultView;
+            GridB.ItemsSource = _b.DefaultView;
+        }
+    }
+}
--- a/MatrixFlipWindow.xaml
+++ b/MatrixFlipWindow.xaml
@@ -0,0 +1,43 @@
+<Window x:Class="Lab.MatrixFlipWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Lab"
+        mc:Ignorable="d"
+        Title="ЛР4.3 - Отражение матрицы" Height="450" Width="800">
+    <ScrollViewer Margin="14" VerticalScrollBarVisibility="Auto">
+        <StackPanel>
+            <TextBlock FontSize="18" FontWeight="SemiBold" Text="ЛР4.3: Отражение матрицы по горизонтальной оси"/>
+            <TextBlock TextWrapping="Wrap" Margin="0,6,0,12">
+                Создайте неквадратную матрицу размером R×C (динамически), заполненную целыми числами 0..100.
+                Затем отразите её относительно центральной горизонтальной оси (переверните строки: первая - последняя, и т.д.).
+            </TextBlock>
+
+            <WrapPanel>
+                <StackPanel Margin="0,0,16,0">
+                    <TextBlock FontWeight="SemiBold" Text="R (строки):"/>
+                    <TextBox x:Name="RowsBox" Text="5"/>
+                </StackPanel>
+                <StackPanel Margin="0,0,16,0">
+                    <TextBlock FontWeight="SemiBold" Text="C (столбцы):"/>
+                    <TextBox x:Name="ColsBox" Text="7"/>
+                </StackPanel>
+            </WrapPanel>
+
+            <StackPanel Orientation="Horizontal" Margin="0,10,0,0">
+                <Button Content="Создать и заполнить (0..100)" Click="ClickCreate" MinWidth="140" MinHeight="30"/>
+                <Button Content="Отразить" Margin="10,0,0,0" Click="ClickFlip" MinWidth="140" MinHeight="30"/>
+                <Button Content="Назад" Margin="10,0,0,0" Click="ClickBack" MinWidth="140" MinHeight="30"/>
+            </StackPanel>
+
+            <TextBlock FontWeight="SemiBold" Text="Исходная матрица:"/>
+            <DataGrid x:Name="GridSrc" Height="220"/>
+
+            <TextBlock FontWeight="SemiBold" Text="Отражённая матрица:"/>
+            <DataGrid x:Name="GridDst" Height="220"/>
+
+            <TextBlock x:Name="FlipInfoText" Opacity="0.85" TextWrapping="Wrap"/>
+        </StackPanel>
+    </ScrollViewer>
+</Window>
--- a/MatrixFlipWindow.xaml.cs
+++ b/MatrixFlipWindow.xaml.cs
@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Lab
+{
+    /// <summary>
+    /// Interaction logic for MatrixFlipWindow.xaml
+    /// </summary>
+    public partial class MatrixFlipWindow : Window
+    {
+        private DataTable? _src;
+        private DataTable? _dst;
+
+        private void ClickBack(object sender, RoutedEventArgs e) => Close();
+
+        private bool TryGetSize(out int rows, out int cols)
+        {
+            rows = 0;
+            cols = 0;
+
+            if (!Parsers.TryParseInt(RowsBox.Text, out rows) || !Parsers.TryParseInt(ColsBox.Text, out cols)) {
+                FlipInfoText.Text = "Размеры должны быть целыми числами.";
+                return false;
+            }
+
+            if (rows < 1 || cols < 1)
+            {
+                FlipInfoText.Text = "Размеры должны быть больше 1";
+                return false;
+            }
+
+            return true;
+        }
+
+        private void ClickCreate(object sender, RoutedEventArgs e)
+        {
+            if (!TryGetSize(out int rows, out int cols)) return;
+
+            _src = Matrices.CreateMatrixInts(rows, cols, "A");
+            Matrices.RandomFill(_src, 0, 100);
+            GridSrc.ItemsSource = _src.DefaultView;
+
+            _dst = Matrices.CreateMatrixInts(rows, cols, "B");
+            GridDst.ItemsSource = _dst.DefaultView;
+
+            FlipInfoText.Text = $"Создана матрица {rows}×{cols}, заполнена числами 0..100.";
+        }
+
+        private void ClickFlip(object sender, RoutedEventArgs e)
+        {
+            if (_src is null)
+            {
+                FlipInfoText.Text = "Сначала создайте матрицу.";
+                return;
+            }
+
+            var a = Matrices.ToArray(_src);
+            int rows = a.GetLength(0);
+            int cols = a.GetLength(1);
+
+            var b = new int[rows, cols];
+
+            for (int row = 0; row < rows; row++)
+            {
+                for (int col = 0; col < cols; col++)
+                {
+                    b[rows - 1 - row, col] = a[row, col];
+                }
+            }
+
+            _dst = Matrices.FromArray(b, "B");
+            GridDst.ItemsSource = _dst.DefaultView;
+
+            FlipInfoText.Text = "Готово: строки перевёрнуты (отражение по горизонтальной оси).";
+        }
+
+        public MatrixFlipWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}
--- a/Parsers.cs
+++ b/Parsers.cs
@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Lab
+{
+    internal class Parsers
+    {
+        public static bool TryParseDouble(string? s, out double val) => double.TryParse((s ?? "").Trim().Replace(",", "."), out val);
+        public static bool TryParseInt(string? s, out int val) => int.TryParse((s ?? "").Trim(), out val);
+        
+        public static bool TryParseDoubleArray(string? s, out double[] vals, out string err)
+        {
+            vals = Array.Empty<double>();
+            err = "";
+
+            if (string.IsNullOrEmpty(s) || string.IsNullOrEmpty(s)) {
+                err = "Пустой ввод. Введите числа, разделяя их пробелами/запятыми/точкой с запятой.";
+                return false;
+            }
+
+            string[] parts = s.Split(new[] { ' ', '\t', '\n', '\r', ',', ';' });
+
+            List<double> list = new List<double>();
+
+            for (int i = 0; i < parts.Length; i++)
+            {
+                if (!TryParseDouble(parts[i], out double val))
+                {
+                    err = $"Вронгаешь элемент! [ #{i + 1}: «{parts[i]}» ]";
+                    return false;
+                }
+
+                list.Add(val);
+            }
+
+            vals = list.ToArray();
+
+            return true;
+        }
+    }
+}
--- a/SplitNumber.cs
+++ b/SplitNumber.cs
@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Lab
+{
+    internal class SplitNumber
+    {
+        public double first { get; private set; }
+        public double second { get; private set; }
+
+        public double Value
+        {
+            get {  return first + second; }
+            set
+            {
+                first = Math.Truncate(value);
+                second = Math.Abs(value - first);
+
+                second = Math.Round(second, 10);
+
+                if (second >= 1)
+                {
+                    first += 1;
+                    second = 0;
+                }
+            }
+        }
+
+        public void Multiply(double m)
+        {
+            Value = Value * m;
+        }
+    }
+}
--- a/TriangleWindow.xaml
+++ b/TriangleWindow.xaml
@@ -0,0 +1,49 @@
+<Window x:Class="Lab.TriangleWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Lab"
+        mc:Ignorable="d"
+        Title="ЛР2.1 - Треугольник" Height="450" Width="800">
+    <Grid Margin="14">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+        </Grid.RowDefinitions>
+        <StackPanel Grid.Row="0" Margin="0,0,0,10">
+            <TextBlock FontSize="18" FontWeight="SemiBold" Text="ЛР2.1: Проверка существования треугольника"/>
+            <TextBlock TextWrapping="Wrap" Margin="0,6,0,0">
+                Даны положительные действительные x, y, z. Проверить, существует ли треугольник со сторонами x, y, z.
+                Условие: сумма любых двух сторон строго больше третьей.
+            </TextBlock>
+        </StackPanel>
+        <Grid Grid.Row="1" Margin="0,0,0,8">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto"/>
+                <ColumnDefinition Width="*"/>
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="Auto"/>
+            </Grid.RowDefinitions>
+
+            <Label Grid.Row="0" Grid.Column="0" Content="x:" VerticalAlignment="Center"/>
+            <TextBox Grid.Row="0" Grid.Column="1" x:Name="XBox"/>
+
+            <Label Grid.Row="1" Grid.Column="0" Content="y:" VerticalAlignment="Center"/>
+            <TextBox Grid.Row="1" Grid.Column="1" x:Name="YBox"/>
+
+            <Label Grid.Row="2" Grid.Column="0" Content="z:" VerticalAlignment="Center"/>
+            <TextBox Grid.Row="2" Grid.Column="1" x:Name="ZBox"/>
+        </Grid>
+        <StackPanel Grid.Row="2" Orientation="Horizontal">
+            <Button Content="Проверить" Click="ClickCheck" MinWidth="140" MinHeight="30"/>
+            <Button Content="Назад" Click="ClickBack" MinWidth="140" MinHeight="30" Padding="1,1,1,1" Margin="10,0,0,0"/>
+        </StackPanel>
+        <TextBlock Grid.Row="3" x:Name="ResultText" TextWrapping="Wrap" />
+    </Grid>
+</Window>
--- a/TriangleWindow.xaml.cs
+++ b/TriangleWindow.xaml.cs
@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Lab
+{
+    /// <summary>
+    /// Interaction logic for TriangleWindow.xaml
+    /// </summary>
+
+
+    public partial class TriangleWindow : Window
+    {
+        private void ClickCheck(object sender, RoutedEventArgs e) {
+            if (!Parsers.TryParseDouble(XBox.Text, out double x) ||
+                !Parsers.TryParseDouble(YBox.Text, out double y) ||
+                !Parsers.TryParseDouble(ZBox.Text, out double z))
+            {
+                ResultText.Text = "Введите три положительных числа (например: 2.5).";
+                return;
+            }
+
+            if (x <=0 ||
+                y <=0 ||
+                z <=0)
+            {
+                ResultText.Text = "Стороны должны быть строго положительными.";
+                return;
+            }
+
+            bool check = x + y > z && x + z > y && y + z > x;
+
+            ResultText.Text = check ? "Треугольник существует." :
+                                      "Треугольник не существует.";
+        }
+        private void ClickBack(object sender, RoutedEventArgs e) => Close();
+
+        public TriangleWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}