LifeStyle28 · justsingleman · Nov 10, 2024
diff --git a/Matrix_v4/Matrix_v4.sln b/Matrix_v4/Matrix_v4.sln
@@ -0,0 +1,31 @@
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diff --git a/Matrix_v4/Matrix_v4/Matrix.cpp b/Matrix_v4/Matrix_v4/Matrix.cpp
@@ -0,0 +1,83 @@
+#include "Matrix.h"
+using namespace std;
+
+Matrix::Matrix(int rows, int cols) {
+    if (rows < 0 || cols < 0) {
+        throw out_of_range("Number of rows and columns must be non-negative");
+    }
+    num_rows = rows;
+    num_cols = cols;
+    data.assign(rows, vector<int>(cols, 0));
+}
+
+
+void Matrix::Reset(int rows, int cols) {
+    if (rows < 0 || cols < 0) {
+        throw out_of_range("Number of rows and columns must be non-negative");
+    }
+    num_rows = rows;
+    num_cols = cols;
+    data.assign(rows, vector<int>(cols, 0));
+}
+
+int Matrix::At(int row, int col) const {
+    if (row < 0 || row >= num_rows || col < 0 || col >= num_cols) {
+        throw out_of_range("Index out of range");
+    }
+    return data[row][col];
+}
+
+int& Matrix::At(int row, int col) {
+    if (row < 0 || row >= num_rows || col < 0 || col >= num_cols) {
+        throw out_of_range("Index out of range");
+    }
+    return data[row][col];
+}
+
+int Matrix::GetRows() const {
+    return num_rows;
+}
+
+int Matrix::GetCols() const {
+    return num_cols;
+}
+
+istream& operator>>(istream& in, Matrix& matrix) {
+    int rows, cols;
+    in >> rows >> cols;
+    matrix.Reset(rows, cols);
+    for (int i = 0; i < rows; ++i) {
+        for (int j = 0; j < cols; ++j) {
+            in >> matrix.At(i, j);
+        }
+    }
+    return in;
+}
+
+ostream& operator<<(ostream& out, const Matrix& matrix) {
+    out << matrix.GetRows() << " " << matrix.GetCols() << "\n";
+    for (int i = 0; i < matrix.GetRows(); ++i) {
+        for (int j = 0; j < matrix.GetCols(); ++j) {
+            out << matrix.At(i, j) << " ";
+        }
+        out << "\n";
+    }
+    return out;
+}
+
+bool operator==(const Matrix& lhs, const Matrix& rhs) {
+    return lhs.num_rows == rhs.num_rows && lhs.num_cols == rhs.num_cols && lhs.data == rhs.data;
+}
+
+Matrix operator+(const Matrix& lhs, const Matrix& rhs) {
+    if (lhs.num_rows != rhs.num_rows || lhs.num_cols != rhs.num_cols) {
+        throw invalid_argument("Matrices must have the same dimensions for addition");
+    }
+    Matrix result(lhs.num_rows, lhs.num_cols);
+    for (int i = 0; i < lhs.num_rows; ++i) {
+        for (int j = 0; j < lhs.num_cols; ++j) {
+            result.At(i, j) = lhs.At(i, j) + rhs.At(i, j);
+        }
+    }
+    return result;
+}
diff --git a/Matrix_v4/Matrix_v4/Matrix.h b/Matrix_v4/Matrix_v4/Matrix.h
@@ -0,0 +1,29 @@
+#pragma once
+#include <iostream>
+#include <vector>
+#include <stdexcept>
+using namespace std;
+
+class Matrix {
+private:
+    int num_rows;
+    int num_cols;
+    vector<vector<int>> data;
+public:
+    Matrix() : num_rows(0), num_cols(0) {}
+    Matrix(int rows, int cols);
+    Matrix(const Matrix& other) : num_rows(other.num_rows), num_cols(other.num_cols), data(other.data) {}
+    Matrix(Matrix&& other) noexcept : num_rows(other.num_rows), num_cols(other.num_cols), data(move(other.data)) {
+        other.num_rows = 0;
+        other.num_cols = 0;
+    }
+    void Reset(int rows, int cols);
+    int At(int row, int col) const;
+    int& At(int row, int col);
+    int GetRows() const;
+    int GetCols() const;
+    friend istream& operator>>(istream& in, Matrix& matrix);
+    friend ostream& operator<<(ostream& out, const Matrix& matrix);
+    friend bool operator==(const Matrix& lhs, const Matrix& rhs);
+    friend Matrix operator+(const Matrix& lhs, const Matrix& rhs);
+};
diff --git a/Matrix_v4/Matrix_v4/Matrix_v4.cpp b/Matrix_v4/Matrix_v4/Matrix_v4.cpp
@@ -0,0 +1,69 @@
+#include <iostream>
+#include <vector>
+#include <stdexcept>
+#include "Matrix.h"
+using namespace std;
+
+int main() {
+    try {
+        // Создание матрицы по умолчанию
+        Matrix m1;
+        cout << "Matrix m1 (default):\n" << m1 << "\n";
+
+        // Создание матрицы с заданными размерами
+        Matrix m2(2, 3);
+        cout << "Matrix m2 (2x3):\n" << m2 << "\n";
+
+        // Установка значений в матрице
+        m2.At(0, 0) = 1;
+        m2.At(0, 1) = 2;
+        m2.At(0, 2) = 3;
+        m2.At(1, 0) = 4;
+        m2.At(1, 1) = 5;
+        m2.At(1, 2) = 6;
+        cout << "Matrix m2 after setting values:\n" << m2 << "\n";
+
+        // Использование конструктора копирования
+        Matrix m3 = m2;
+        cout << "Matrix m3 (copy of m2):\n" << m3 << "\n";
+
+        // Использование оператора перемещения
+        Matrix m4 = move(m3);
+        cout << "Matrix m4 (moved from m3):\n" << m4 << "\n";
+
+        // Проверка метода Reset
+        m4.Reset(3, 2);
+        cout << "Matrix m4 after Reset to 3x2:\n" << m4 << "\n";
+
+        // Проверка операторов ввода и вывода
+        cout << "Enter a matrix (format: rows cols followed by elements):\n";
+        Matrix m5;
+        cin >> m5;
+        cout << "Matrix m5 (input):\n" << m5 << "\n";
+
+        // Проверка оператора равенства
+        cout << "m2 == m5: " << (m2 == m5 ? "true" : "false") << "\n";
+
+        // Проверка оператора сложения
+        Matrix m6(2, 3);
+        m6.At(0, 0) = 7;
+        m6.At(0, 1) = 8;
+        m6.At(0, 2) = 9;
+        m6.At(1, 0) = 10;
+        m6.At(1, 1) = 11;
+        m6.At(1, 2) = 12;
+        cout << "Matrix m6:\n" << m6 << "\n";
+
+        Matrix m7 = m2 + m6;
+        cout << "Matrix m7 (m2 + m6):\n" << m7 << "\n";
+
+    }
+    catch (const out_of_range& e) {
+        cerr << "Out of range error: " << e.what() << "\n";
+    }
+    catch (const invalid_argument& e) {
+        cerr << "Invalid argument error: " << e.what() << "\n";
+    }
+
+    return 0;
+}
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