diff --git a/pr5.cpp b/pr5.cpp
index f3c7152..7bc9a85 100644
--- a/pr5.cpp
+++ b/pr5.cpp
@@ -1,6 +1,6 @@
 #include <iostream>
 #include <fstream>
-#include<string.h>
+#include <string.h>
 #include <cstdlib>
 #include <ctime>
 #include <tuple>
@@ -58,6 +58,7 @@ public:
 		cout << "Exception: " << str << "; " << what();
 	}
 };
+
 class InvalidOperationException : public Exception {
 public:
 	InvalidOperationException(const char* s) : Exception(s) {}
@@ -91,7 +92,8 @@ public:
 		cout << "IndexOutOfBoundsException: " << str << "; " << Row << ", " << Col << "; " << what();
 	}
 };
-class NonPositiveSizeException : public WrongSizeException {
+class NonPositiveSizeException : public WrongSizeException 
+{
 public:
 	NonPositiveSizeException(const char* s, int row1, int col1, int row2, int col2) : WrongSizeException(s, row1, col1, row2, col2) {}
 
@@ -101,7 +103,8 @@ public:
 	}
 };
 
-class TooLargeSizeException : public WrongSizeException {
+class TooLargeSizeException : public WrongSizeException 
+{
 public:
 	TooLargeSizeException(const char* s, int row1, int col1, int row2, int col2) : WrongSizeException(s, row1, col1, row2, col2) {}
 
@@ -121,7 +124,8 @@ protected:
 public:
 	BaseMatrix(int Height = 2, int Width = 2)
 	{
-		if (Height <= 0 || Width <= 0) {
+		if (Height <= 0 || Width <= 0) 
+		{
 			throw NonPositiveSizeException("Attempt to create a matrix of negative or zero size", Height, Width, -1, -1);
 		}
 		height = Height;
@@ -202,24 +206,31 @@ public:
 	using BaseMatrix<T>::ptr;
 	using BaseMatrix<T>::height;
 	using BaseMatrix<T>::width;
+
 	Matrix(int Height = 2, int Width = 2) : BaseMatrix<T>(Height, Width) { cout << "\nMatrix constructor\n"; }
 	~Matrix() { cout << "\nMatrix destructor\n"; }
-	Matrix(T** array, int Height, int Width) : BaseMatrix<T>(Height, Width) {
+	Matrix(T** array, int Height, int Width) : BaseMatrix<T>(Height, Width) 
+	{
 		ptr = new T* [height];
-		for (int i = 0; i < height; ++i) {
+		for (int i = 0; i < height; ++i) 
+		{
 			ptr[i] = new T[width];
-			for (int j = 0; j < width; ++j) {
+			for (int j = 0; j < width; ++j) 
+			{
 				ptr[i][j] = array[i][j];
 			}
 		}
 	}
 	// Filling a matrix element by the sum of its indices
-	void fillRandom(int a) {
+	void fillRandom(int a) 
+	{
 		// Initialization of random number generator with current time
 		srand(time(nullptr));
 
-		for (int i = 0; i < height; ++i) {
-			for (int j = 0; j < width; ++j) {
+		for (int i = 0; i < height; ++i) 
+		{
+			for (int j = 0; j < width; ++j) 
+			{
 				// Random number generation
 				ptr[i][j] = (rand() * (a + 1))%100;
 			}
@@ -227,19 +238,23 @@ public:
 	}
 
 
-	pair<double, double> calculateCenterOfMass() {
+	pair<double, double> calculateCenterOfMass() 
+	{
 		double totalMass = 0;
 		double centerX = 0;
 		double centerY = 0;
 
-		for (int i = 0; i < this->height; ++i) {
-			for (int j = 0; j < this->width; ++j) {
+		for (int i = 0; i < this->height; ++i) 
+		{
+			for (int j = 0; j < this->width; ++j) 
+			{
 				totalMass += this->ptr[i][j];
 				centerX += i * this->ptr[i][j]; 
 				centerY += j * this->ptr[i][j]; 
 			}
 		}
-		if (totalMass != 0) {
+		if (totalMass != 0) 
+		{
 			centerX /= totalMass;
 			centerY /= totalMass;
 		}
@@ -249,7 +264,8 @@ public:
 
 	double Trace()
 	{
-		if (height != width) {
+		if (height != width) 
+		{
 			throw InvalidOperationException("The operation of finding the trace is not defined for a non-square matrix");
 		}
 		double summ = 0;
@@ -269,17 +285,21 @@ public:
 		return res;
 	}
 	// Перегрузка оператора присваивания
-	Matrix& operator=(const Matrix& other) {
-		if (this != &other) {
+	Matrix& operator=(const Matrix& other) 
+	{
+		if (this != &other) 
+		{
 			this->~Matrix();
 
 			height = other.height;
 			width = other.width;
 
 			ptr = new double* [height];
-			for (int i = 0; i < height; ++i) {
+			for (int i = 0; i < height; ++i) 
+			{
 				ptr[i] = new double[width];
-				for (int j = 0; j < width; ++j) {
+				for (int j = 0; j < width; ++j) 
+				{
 					ptr[i][j] = other.ptr[i][j];
 				}
 			}
@@ -291,6 +311,7 @@ public:
 	template<class T>
 	friend istream& operator>>(istream& s, Matrix<T>& M);
 };
+
 template<class T>
 ostream& operator<<(ostream& s, Matrix<T> M)
 {
@@ -310,6 +331,7 @@ ostream& operator<<(ostream& s, Matrix<T> M)
 	}
 	return s;
 }
+
 template<class T>
 istream& operator>>(istream& s, Matrix<T>& M)
 {
@@ -321,6 +343,7 @@ istream& operator>>(istream& s, Matrix<T>& M)
 			throw InvalidOperationException("The dimensions of the read matrix are different from those of the original matrix.");
 		}
 	}
+
 	for (int i = 0; i < M.height; i++)
 		for (int j = 0; j < M.width; j++)
 			s >> M.ptr[i][j];
@@ -349,6 +372,7 @@ int main() {
 		// reading a matrix array from a file
 		Matrix<double>* M1;
 		ifstream fin("1.txt");
+
 		if (fin) {
 			int n;
 			fin >> n;
@@ -392,7 +416,6 @@ int main() {
 		cout << "Standard exception has been caught: " << ex.what();
 	}
 
-	// char c;
-	// cin >> c;
+
 	return 0;
 }