---

MyForm.h


#pragma once
#include <string>
#include <msclr\marshal_cppstd.h>
#include "MyVector.h"
#include "TMatrix.h"

namespace Project2 {

	using namespace System;
	using namespace System::ComponentModel;
	using namespace System::Collections;
	using namespace System::Windows::Forms;
	using namespace System::Data;
	using namespace System::Drawing;

	/// <summary>
	/// Сводка для MyForm
	/// </summary>
	public ref class MyForm : public System::Windows::Forms::Form
	{
	public:
		MyForm(void)
		{
			InitializeComponent();
			//
			//TODO: добавьте код конструктора
			//
		}

	protected:
		/// <summary>
		/// Освободить все используемые ресурсы.
		/// </summary>
		~MyForm()
		{
			if (components)
			{
				delete components;
			}
		}
	private: System::Windows::Forms::DataGridView^ dataGridView1;
	protected:


	private: System::Windows::Forms::Label^ label_equal;
	private: System::Windows::Forms::Button^ button1;
	private: System::Windows::Forms::Button^ button2;
	private: System::Windows::Forms::Button^ button3;
	private: System::Windows::Forms::TextBox^ textBox1;
	private: System::Windows::Forms::Label^ label1;
	private: System::Windows::Forms::Label^ label2;
	private: System::Windows::Forms::Label^ label3;
	private: System::Windows::Forms::Label^ label4;
	private: System::Windows::Forms::DataGridView^ dataGridView2;
	private: System::Windows::Forms::Button^ button4;
	private: System::Windows::Forms::Button^ button5;
	private: System::Windows::Forms::DataGridView^ dataGridView3;
	private: System::Windows::Forms::Button^ button6;
	private: System::Windows::Forms::TextBox^ textBox2;
	private: System::Windows::Forms::Label^ label5;
	private: System::Windows::Forms::Button^ button7;


	private:
		/// <summary>
		/// Обязательная переменная конструктора.
		/// </summary>
		System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
		/// <summary>
		/// Требуемый метод для поддержки конструктора — не изменяйте 
		/// содержимое этого метода с помощью редактора кода.
		/// </summary>
		void InitializeComponent(void)
		{
			System::Windows::Forms::DataGridViewCellStyle^ dataGridViewCellStyle87 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
			System::Windows::Forms::DataGridViewCellStyle^ dataGridViewCellStyle88 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
			System::Windows::Forms::DataGridViewCellStyle^ dataGridViewCellStyle89 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
			System::Windows::Forms::DataGridViewCellStyle^ dataGridViewCellStyle90 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
			System::Windows::Forms::DataGridViewCellStyle^ dataGridViewCellStyle91 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
			System::Windows::Forms::DataGridViewCellStyle^ dataGridViewCellStyle92 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
			this->dataGridView1 = (gcnew System::Windows::Forms::DataGridView());
			this->label_equal = (gcnew System::Windows::Forms::Label());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->button2 = (gcnew System::Windows::Forms::Button());
			this->button3 = (gcnew System::Windows::Forms::Button());
			this->textBox1 = (gcnew System::Windows::Forms::TextBox());
			this->label1 = (gcnew System::Windows::Forms::Label());
			this->label2 = (gcnew System::Windows::Forms::Label());
			this->label3 = (gcnew System::Windows::Forms::Label());
			this->label4 = (gcnew System::Windows::Forms::Label());
			this->dataGridView2 = (gcnew System::Windows::Forms::DataGridView());
			this->button4 = (gcnew System::Windows::Forms::Button());
			this->button5 = (gcnew System::Windows::Forms::Button());
			this->dataGridView3 = (gcnew System::Windows::Forms::DataGridView());
			this->button6 = (gcnew System::Windows::Forms::Button());
			this->textBox2 = (gcnew System::Windows::Forms::TextBox());
			this->label5 = (gcnew System::Windows::Forms::Label());
			this->button7 = (gcnew System::Windows::Forms::Button());
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->dataGridView1))->BeginInit();
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->dataGridView2))->BeginInit();
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->dataGridView3))->BeginInit();
			this->SuspendLayout();
			// 
			// dataGridView1
			// 
			this->dataGridView1->AllowUserToAddRows = false;
			this->dataGridView1->AllowUserToDeleteRows = false;
			this->dataGridView1->BackgroundColor = System::Drawing::SystemColors::Control;
			this->dataGridView1->BorderStyle = System::Windows::Forms::BorderStyle::None;
			dataGridViewCellStyle87->Alignment = System::Windows::Forms::DataGridViewContentAlignment::MiddleCenter;
			dataGridViewCellStyle87->BackColor = System::Drawing::SystemColors::Control;
			dataGridViewCellStyle87->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 7.8F, System::Drawing::FontStyle::Regular,
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			dataGridViewCellStyle87->ForeColor = System::Drawing::SystemColors::WindowText;
			dataGridViewCellStyle87->SelectionBackColor = System::Drawing::SystemColors::Highlight;
			dataGridViewCellStyle87->SelectionForeColor = System::Drawing::SystemColors::HighlightText;
			dataGridViewCellStyle87->WrapMode = System::Windows::Forms::DataGridViewTriState::True;
			this->dataGridView1->ColumnHeadersDefaultCellStyle = dataGridViewCellStyle87;
			this->dataGridView1->ColumnHeadersHeightSizeMode = System::Windows::Forms::DataGridViewColumnHeadersHeightSizeMode::AutoSize;
			this->dataGridView1->ColumnHeadersVisible = false;
			dataGridViewCellStyle88->Alignment = System::Windows::Forms::DataGridViewContentAlignment::MiddleCenter;
			dataGridViewCellStyle88->BackColor = System::Drawing::SystemColors::Window;
			dataGridViewCellStyle88->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 7.8F, System::Drawing::FontStyle::Regular,
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			dataGridViewCellStyle88->ForeColor = System::Drawing::SystemColors::ControlText;
			dataGridViewCellStyle88->SelectionBackColor = System::Drawing::SystemColors::Highlight;
			dataGridViewCellStyle88->SelectionForeColor = System::Drawing::SystemColors::HighlightText;
			dataGridViewCellStyle88->WrapMode = System::Windows::Forms::DataGridViewTriState::False;
			this->dataGridView1->DefaultCellStyle = dataGridViewCellStyle88;
			this->dataGridView1->Location = System::Drawing::Point(24, 154);
			this->dataGridView1->Name = L"dataGridView1";
			this->dataGridView1->RowHeadersVisible = false;
			this->dataGridView1->RowHeadersWidth = 51;
			this->dataGridView1->RowTemplate->Height = 24;
			this->dataGridView1->Size = System::Drawing::Size(290, 272);
			this->dataGridView1->TabIndex = 0;
			// 
			// label_equal
			// 
			this->label_equal->AutoSize = true;
			this->label_equal->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 20));
			this->label_equal->Location = System::Drawing::Point(779, 265);
			this->label_equal->Name = L"label_equal";
			this->label_equal->Size = System::Drawing::Size(37, 39);
			this->label_equal->TabIndex = 3;
			this->label_equal->Text = L"=";
			// 
			// button1
			// 
			this->button1->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 20));
			this->button1->Location = System::Drawing::Point(364, 168);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(53, 48);
			this->button1->TabIndex = 4;
			this->button1->Text = L"+";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &MyForm::button1_Click);
			// 
			// button2
			// 
			this->button2->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 22));
			this->button2->ForeColor = System::Drawing::SystemColors::ControlText;
			this->button2->Location = System::Drawing::Point(364, 256);
			this->button2->Name = L"button2";
			this->button2->Size = System::Drawing::Size(53, 48);
			this->button2->TabIndex = 5;
			this->button2->Text = L"-";
			this->button2->TextAlign = System::Drawing::ContentAlignment::TopCenter;
			this->button2->UseVisualStyleBackColor = true;
			this->button2->Click += gcnew System::EventHandler(this, &MyForm::button2_Click);
			// 
			// button3
			// 
			this->button3->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 20));
			this->button3->Location = System::Drawing::Point(364, 339);
			this->button3->Name = L"button3";
			this->button3->Size = System::Drawing::Size(53, 48);
			this->button3->TabIndex = 6;
			this->button3->Text = L"*";
			this->button3->TextAlign = System::Drawing::ContentAlignment::BottomCenter;
			this->button3->UseVisualStyleBackColor = true;
			this->button3->Click += gcnew System::EventHandler(this, &MyForm::button3_Click);
			// 
			// textBox1
			// 
			this->textBox1->Location = System::Drawing::Point(889, 55);
			this->textBox1->Name = L"textBox1";
			this->textBox1->Size = System::Drawing::Size(218, 22);
			this->textBox1->TabIndex = 7;
			this->textBox1->Leave += gcnew System::EventHandler(this, &MyForm::textBox1_Leave);
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 12));
			this->label1->Location = System::Drawing::Point(832, 52);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(51, 25);
			this->label1->TabIndex = 8;
			this->label1->Text = L"Size";
			// 
			// label2
			// 
			this->label2->AutoSize = true;
			this->label2->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 12));
			this->label2->Location = System::Drawing::Point(152, 115);
			this->label2->Name = L"label2";
			this->label2->Size = System::Drawing::Size(26, 25);
			this->label2->TabIndex = 9;
			this->label2->Text = L"A";
			// 
			// label3
			// 
			this->label3->AutoSize = true;
			this->label3->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 12));
			this->label3->Location = System::Drawing::Point(595, 115);
			this->label3->Name = L"label3";
			this->label3->Size = System::Drawing::Size(25, 25);
			this->label3->TabIndex = 10;
			this->label3->Text = L"B";
			// 
			// label4
			// 
			this->label4->AutoSize = true;
			this->label4->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 12));
			this->label4->Location = System::Drawing::Point(976, 115);
			this->label4->Name = L"label4";
			this->label4->Size = System::Drawing::Size(52, 25);
			this->label4->TabIndex = 11;
			this->label4->Text = L"RES";
			// 
			// dataGridView2
			// 
			this->dataGridView2->AllowUserToAddRows = false;
			this->dataGridView2->AllowUserToDeleteRows = false;
			this->dataGridView2->BackgroundColor = System::Drawing::SystemColors::Control;
			this->dataGridView2->BorderStyle = System::Windows::Forms::BorderStyle::None;
			dataGridViewCellStyle89->Alignment = System::Windows::Forms::DataGridViewContentAlignment::MiddleCenter;
			dataGridViewCellStyle89->BackColor = System::Drawing::SystemColors::Control;
			dataGridViewCellStyle89->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 7.8F, System::Drawing::FontStyle::Regular,
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			dataGridViewCellStyle89->ForeColor = System::Drawing::SystemColors::WindowText;
			dataGridViewCellStyle89->SelectionBackColor = System::Drawing::SystemColors::Highlight;
			dataGridViewCellStyle89->SelectionForeColor = System::Drawing::SystemColors::HighlightText;
			dataGridViewCellStyle89->WrapMode = System::Windows::Forms::DataGridViewTriState::True;
			this->dataGridView2->ColumnHeadersDefaultCellStyle = dataGridViewCellStyle89;
			this->dataGridView2->ColumnHeadersHeightSizeMode = System::Windows::Forms::DataGridViewColumnHeadersHeightSizeMode::AutoSize;
			this->dataGridView2->ColumnHeadersVisible = false;
			dataGridViewCellStyle90->Alignment = System::Windows::Forms::DataGridViewContentAlignment::MiddleCenter;
			dataGridViewCellStyle90->BackColor = System::Drawing::SystemColors::Window;
			dataGridViewCellStyle90->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 7.8F, System::Drawing::FontStyle::Regular,
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			dataGridViewCellStyle90->ForeColor = System::Drawing::SystemColors::ControlText;
			dataGridViewCellStyle90->SelectionBackColor = System::Drawing::SystemColors::Highlight;
			dataGridViewCellStyle90->SelectionForeColor = System::Drawing::SystemColors::HighlightText;
			dataGridViewCellStyle90->WrapMode = System::Windows::Forms::DataGridViewTriState::False;
			this->dataGridView2->DefaultCellStyle = dataGridViewCellStyle90;
			this->dataGridView2->Location = System::Drawing::Point(467, 154);
			this->dataGridView2->Name = L"dataGridView2";
			this->dataGridView2->RowHeadersVisible = false;
			this->dataGridView2->RowHeadersWidth = 51;
			this->dataGridView2->RowTemplate->Height = 24;
			this->dataGridView2->Size = System::Drawing::Size(290, 272);
			this->dataGridView2->TabIndex = 12;
			// 
			// button4
			// 
			this->button4->Location = System::Drawing::Point(130, 40);
			this->button4->Name = L"button4";
			this->button4->Size = System::Drawing::Size(77, 52);
			this->button4->TabIndex = 13;
			this->button4->Text = L"CHANGE";
			this->button4->UseVisualStyleBackColor = true;
			this->button4->Click += gcnew System::EventHandler(this, &MyForm::button4_Click);
			// 
			// button5
			// 
			this->button5->Location = System::Drawing::Point(569, 40);
			this->button5->Name = L"button5";
			this->button5->Size = System::Drawing::Size(77, 52);
			this->button5->TabIndex = 14;
			this->button5->Text = L"CHANGE";
			this->button5->UseVisualStyleBackColor = true;
			this->button5->Click += gcnew System::EventHandler(this, &MyForm::button5_Click);
			// 
			// dataGridView3
			// 
			this->dataGridView3->AllowUserToAddRows = false;
			this->dataGridView3->AllowUserToDeleteRows = false;
			this->dataGridView3->BackgroundColor = System::Drawing::SystemColors::Control;
			this->dataGridView3->BorderStyle = System::Windows::Forms::BorderStyle::None;
			dataGridViewCellStyle91->Alignment = System::Windows::Forms::DataGridViewContentAlignment::MiddleCenter;
			dataGridViewCellStyle91->BackColor = System::Drawing::SystemColors::Control;
			dataGridViewCellStyle91->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 7.8F, System::Drawing::FontStyle::Regular,
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			dataGridViewCellStyle91->ForeColor = System::Drawing::SystemColors::WindowText;
			dataGridViewCellStyle91->SelectionBackColor = System::Drawing::SystemColors::Highlight;
			dataGridViewCellStyle91->SelectionForeColor = System::Drawing::SystemColors::HighlightText;
			dataGridViewCellStyle91->WrapMode = System::Windows::Forms::DataGridViewTriState::True;
			this->dataGridView3->ColumnHeadersDefaultCellStyle = dataGridViewCellStyle91;
			this->dataGridView3->ColumnHeadersHeightSizeMode = System::Windows::Forms::DataGridViewColumnHeadersHeightSizeMode::AutoSize;
			this->dataGridView3->ColumnHeadersVisible = false;
			dataGridViewCellStyle92->Alignment = System::Windows::Forms::DataGridViewContentAlignment::MiddleCenter;
			dataGridViewCellStyle92->BackColor = System::Drawing::SystemColors::Window;
			dataGridViewCellStyle92->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 7.8F, System::Drawing::FontStyle::Regular,
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			dataGridViewCellStyle92->ForeColor = System::Drawing::SystemColors::ControlText;
			dataGridViewCellStyle92->SelectionBackColor = System::Drawing::SystemColors::Highlight;
			dataGridViewCellStyle92->SelectionForeColor = System::Drawing::SystemColors::HighlightText;
			dataGridViewCellStyle92->WrapMode = System::Windows::Forms::DataGridViewTriState::False;
			this->dataGridView3->DefaultCellStyle = dataGridViewCellStyle92;
			this->dataGridView3->Location = System::Drawing::Point(851, 154);
			this->dataGridView3->Name = L"dataGridView3";
			this->dataGridView3->ReadOnly = true;
			this->dataGridView3->RowHeadersVisible = false;
			this->dataGridView3->RowHeadersWidth = 51;
			this->dataGridView3->RowTemplate->Height = 24;
			this->dataGridView3->Size = System::Drawing::Size(290, 272);
			this->dataGridView3->TabIndex = 15;
			// 
			// button6
			// 
			this->button6->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 20));
			this->button6->Location = System::Drawing::Point(364, 478);
			this->button6->Name = L"button6";
			this->button6->Size = System::Drawing::Size(53, 48);
			this->button6->TabIndex = 16;
			this->button6->Text = L"*";
			this->button6->TextAlign = System::Drawing::ContentAlignment::BottomCenter;
			this->button6->UseVisualStyleBackColor = true;
			this->button6->Click += gcnew System::EventHandler(this, &MyForm::button6_Click);
			// 
			// textBox2
			// 
			this->textBox2->Location = System::Drawing::Point(489, 489);
			this->textBox2->Name = L"textBox2";
			this->textBox2->Size = System::Drawing::Size(131, 22);
			this->textBox2->TabIndex = 17;
			// 
			// label5
			// 
			this->label5->AutoSize = true;
			this->label5->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 14));
			this->label5->Location = System::Drawing::Point(454, 482);
			this->label5->Name = L"label5";
			this->label5->Size = System::Drawing::Size(29, 29);
			this->label5->TabIndex = 18;
			this->label5->Text = L"K";
			// 
			// button7
			// 
			this->button7->Location = System::Drawing::Point(636, 478);
			this->button7->Name = L"button7";
			this->button7->Size = System::Drawing::Size(77, 52);
			this->button7->TabIndex = 19;
			this->button7->Text = L"CHANGE";
			this->button7->UseVisualStyleBackColor = true;
			this->button7->Click += gcnew System::EventHandler(this, &MyForm::button7_Click);
			// 
			// MyForm
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(1249, 589);
			this->Controls->Add(this->button7);
			this->Controls->Add(this->label5);
			this->Controls->Add(this->textBox2);
			this->Controls->Add(this->button6);
			this->Controls->Add(this->dataGridView3);
			this->Controls->Add(this->button5);
			this->Controls->Add(this->button4);
			this->Controls->Add(this->dataGridView2);
			this->Controls->Add(this->label4);
			this->Controls->Add(this->label3);
			this->Controls->Add(this->label2);
			this->Controls->Add(this->label1);
			this->Controls->Add(this->textBox1);
			this->Controls->Add(this->button3);
			this->Controls->Add(this->button2);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->label_equal);
			this->Controls->Add(this->dataGridView1);
			this->Name = L"MyForm";
			this->Text = L"MyForm";
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->dataGridView1))->EndInit();
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->dataGridView2))->EndInit();
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->dataGridView3))->EndInit();
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion

int N = 0;
	
private: System::Void textBox1_Leave(System::Object^ sender, System::EventArgs^ e) {
	System::String^ text1 = textBox1->Text;
	std::string s1 = msclr::interop::marshal_as<std::string>(text1);
	N = stoi(s1);

	dataGridView1->ColumnCount = N;
	dataGridView1->RowCount = N;

	dataGridView1->AutoSizeColumnsMode = System::Windows::Forms::DataGridViewAutoSizeColumnsMode::Fill;

	int ht1 = dataGridView1->Height;

	int row_ht1 = ht1 / N;

	for (int i = 0; i < N; i++) {
		dataGridView1->Rows[i]->Height = row_ht1;
	}

	dataGridView2->ColumnCount = N;
	dataGridView2->RowCount = N;

	dataGridView2->AutoSizeColumnsMode = System::Windows::Forms::DataGridViewAutoSizeColumnsMode::Fill;

	int ht2 = dataGridView2->Height;

	int row_ht2 = ht2 / N;

	for (int i = 0; i < N; i++) {
		dataGridView2->Rows[i]->Height = row_ht2;
	}

	dataGridView3->ColumnCount = N;
	dataGridView3->RowCount = N;

	dataGridView3->AutoSizeColumnsMode = System::Windows::Forms::DataGridViewAutoSizeColumnsMode::Fill;

	int ht3 = dataGridView3->Height;

	int row_ht3 = ht3 / N;

	for (int i = 0; i < N; i++) {
		dataGridView3->Rows[i]->Height = row_ht3;
	}

	for (int i = 0; i < N; i++) {
		for (int j = 0; j < N; j++) {
			if (i > j) {
				dataGridView1->Rows[i]->Cells[j]->Value = 0;
				dataGridView1->Rows[i]->Cells[j]->ReadOnly = true;
				dataGridView2->Rows[i]->Cells[j]->Value = 0;
				dataGridView2->Rows[i]->Cells[j]->ReadOnly = true;
			}
		}
	}

}

TMatrix *tm1 = nullptr;

private: System::Void button4_Click(System::Object^ sender, System::EventArgs^ e) {
	if (N != 0) {
		if (tm1 != nullptr) {
			delete tm1;
		}
		tm1 = new TMatrix(N);
		for (int i = 0; i < N; i++) {
			for (int j = 0; j < N; j++) {
				if (i <= j) {
					if (dataGridView1->Rows[i]->Cells[j]->Value == nullptr) {
						(*tm1)[i][j] = 0;
					}
					else {
						int numb;
						System::String^ txt = dataGridView1->Rows[i]->Cells[j]->Value->ToString();
						if (System::Int32::TryParse(txt, numb)) {

						}
						else {
							numb = 0;
						}
						(*tm1)[i][j] = numb;
					}
				}
			}
		}
	}

}

TMatrix *tm2 = nullptr;

private: System::Void button5_Click(System::Object^ sender, System::EventArgs^ e) {
	if (N != 0) {
		if (tm2 != nullptr) {
			delete tm2;
		}
		tm2 = new TMatrix(N);
		for (int i = 0; i < N; i++) {
			for (int j = 0; j < N; j++) {
				if (i <= j) {
					if (dataGridView2->Rows[i]->Cells[j]->Value == nullptr) {
						(*tm2)[i][j] = 0;
					}
					else {
						int numb;
						System::String^ txt = dataGridView2->Rows[i]->Cells[j]->Value->ToString();
						if (System::Int32::TryParse(txt, numb)) {

						}
						else {
							numb = 0;
						}
						(*tm2)[i][j] = numb;
					}
				}
			}
		}
	}
}



private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
	TMatrix tm3 = *tm1 + *tm2;

	for (int i = 0; i < N; i++) {
		for (int j = 0; j < N; j++) {
			dataGridView3->Rows[i]->Cells[j]->Value = tm3[i][j];
		}
	}
}

private: System::Void button2_Click(System::Object^ sender, System::EventArgs^ e) {
	TMatrix tm4 = *tm1 - *tm2;

	for (int i = 0; i < N; i++) {
		for (int j = 0; j < N; j++) {
			dataGridView3->Rows[i]->Cells[j]->Value = tm4[i][j];
		}
	}
}

private: System::Void button3_Click(System::Object^ sender, System::EventArgs^ e) {
	TMatrix tm5 = *tm1 * *tm2;

	for (int i = 0; i < N; i++) {
		for (int j = 0; j < N; j++) {
			dataGridView3->Rows[i]->Cells[j]->Value = tm5[i][j];
		}
	}
}

int K = 0;

private: System::Void button7_Click(System::Object^ sender, System::EventArgs^ e) {
	System::String^ text2 = textBox2->Text;
	std::string s2 = msclr::interop::marshal_as<std::string>(text2);
	K = stoi(s2);
}

private: System::Void button6_Click(System::Object^ sender, System::EventArgs^ e) {
	TMatrix tm6 = *tm1 * K;

	for (int i = 0; i < N; i++) {
		for (int j = 0; j < N; j++) {
			dataGridView3->Rows[i]->Cells[j]->Value = tm6[i][j];
		}
	}
}

};
}

----------

TMatrix

#pragma once
#include "MyVector.h"

class TMatrix {
private:

	MyVector<MyVector<int>> Matr;
	int size_m;

public:

	TMatrix(int size = 0) {
		size_m = size;
		Matr = MyVector<MyVector<int>>(size_m);

		for (int i = 0; i < size_m; i++) {
			Matr[i] = MyVector<int>(size_m - i, i);
			for (int j = 0; j < size_m - i; j++) {
				Matr[i][j] = 0;
			}
		}
	}

	~TMatrix() {}

	TMatrix(const TMatrix& tmp) {
		size_m = tmp.size_m;
		Matr = tmp.Matr;
	}

	TMatrix& operator=(const TMatrix& tmp) {
		size_m = tmp.size_m;
		Matr = tmp.Matr;
		return *this;
	}

	MyVector<int>& operator[](int k) {
		static MyVector<int> res(0);

		if (k >= 0 && k < size_m) {
			return Matr[k];
		}
		else {
			return res;
		}

	}

	TMatrix operator+(TMatrix tmp) {
		TMatrix res(size_m);
		if (size_m == tmp.size_m) {
			res.Matr = Matr + tmp.Matr;
		}
		return res;
	}

	TMatrix operator-(TMatrix tmp) {
		TMatrix res(size_m);
		if (size_m == tmp.size_m) {
			res.Matr = Matr - tmp.Matr;
		}
		return res;
	}

	TMatrix operator*(int k) {
		TMatrix res(size_m);
		res.Matr = Matr * k;
		return res;
	}

	TMatrix operator*(TMatrix tmp) {
		TMatrix res(*this);
		if (size_m == tmp.size_m) {
			for (int i = 0; i < size_m; i++) {
				for (int j = i; j < size_m; j++) {
					res[i][j] = 0;

					for (int k = i; k <= j; k++) {
						res[i][j] = res[i][j] + (*this)[i][k] * tmp[k][j];
					}
				}
			}
		}
		return res;
	}

};


------------

MyVector


#pragma once

template<typename T>

class MyVector {
private:
	T* mem;
	int size;
	int start;

public:
	MyVector(int tsize = 10, int tstart = 0) {
		size = tsize;
		start = tstart;
		mem = new T[size];

		for (int i = 0; i < size; i++) {
			mem[i] = T(0);
		}
	}

	MyVector<T>& operator=(const MyVector<T>& tmp) {
		if ((size != tmp.size) || start != tmp.start) {
			if (size != 0) {
				delete[] mem;
			}

			size = tmp.size;
			mem = new T[tmp.size];
		}
		start = tmp.start;
		for (int i = 0; i < size; i++) {
			mem[i] = tmp.mem[i];
		}
		return *this;
	}

	~MyVector() {
		delete[] mem;
	}

	MyVector(const MyVector<T>& tmp) {
		size = tmp.size;
		start = tmp.start;

		mem = new T[size];

		for (int i = 0; i < size; i++) {
			mem[i] = tmp.mem[i];
		}
	}

	T& operator[] (int j) {
		static T res(0);
		if (j < start || j >= size + start) {
			return res;
		}
		else {
			return mem[j - start];
		}
	}

	int getSize() {
		return size;
	}

	int getStart() {
		return start;
	}

	T* getmem() {
		return mem;
	}

	MyVector<T> operator+ (const MyVector<T>& tmp) {
		MyVector<T> res(*this);
		if (start == tmp.start && size == tmp.size) {
			for (int i = 0; i < size; i++) {
				res.mem[i] = mem[i] + tmp.mem[i];
			}
		}
		return res;
	}

	MyVector<T> operator- (const MyVector<T>& tmp) {
		MyVector<T> res(*this);
		if (start == tmp.start && size == tmp.size) {
			for (int i = 0; i < size; i++) {
				res.mem[i] = mem[i] - tmp.mem[i];
			}
		}
		return res;
	}

	MyVector<T> operator* (int k) {
		MyVector<T> res(*this);
		for (int i = 0; i < size; i++) {
			res.mem[i] = mem[i] * k;
		}
		return res;
	}

	T operator* (const MyVector<T>& tmp) {
		T res(0);
		if ((start == tmp.start) && (size == tmp.size)) {
			for (int i = 0; i < size; i++) {
				res += mem[i] * tmp.mem[i];
			}
		}
		return res;
	}



};