#include <iostream>

using namespace std;

int inputTwoMatrix(int** matrix, int n, int m);
void printMatrix(int** matrix, int n, int m);
void changeColumn(int** matrix, int n, int m);
void swap(int *n, int *m);

int main()
{
	setlocale(0, "");
	int n, i, j;
	cout << "Введите размер матрицы nxn: ";
	cin >> n;
	int **matr = new int *[n];
	for (i = 0; i < n; i++) matr[i] = new int[n];
	**matr = inputTwoMatrix(matr, n, n);
	for (i = 0, j = n-1; i <= n/2; i++, j--) {
		changeColumn(matr, i, j);
	}
	printMatrix(matr, n, n);
	system("pause");
	return 0;
}

void printMatrix(int** matrix, int n, int m)
{
	for (int i = 0; i < n; i++)
	{
		cout << "Ряд " << (i + 1) << ": ";
		for (int j = 0; j < m; j++)
		{
			cout << "\t" << matrix[i][j];
		}
		cout << "\n";
	}
	cout << "\n";
}
int inputTwoMatrix(int** matrix, int n, int m) {
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			cout << "a[" << i + 1 << "][" << j + 1 << "] = ";
			cin >> matrix[i][j];
		}
		cout << endl;
	}
	cout << "\n";
	printMatrix(matrix, n, m);
	return **matrix;
}
void changeColumn(int** matrix, int n, int m) {
	for (int i = 0; i <= m; i++) {
		swap(matrix[i][n], matrix[i][m]);
	}
}

void swap(int *n, int *m) {
	int temp;
	temp = *n;
	*n = *m;
	*m = temp;
}