Лаба 5 Вариант 7

#include "pch.h"
#include <iostream>
#include <math.h>

using namespace std;

int main()
{
    double **mat;
    int n, m;
    cin >> n >> m;

    mat = new double*[n];

    for (int i = 0; i < n; i++)
    {
        mat[i] = new double[m];

        for (int j = 0; j < m; j++)
        {
            cin >> mat[i][j];
        }
    }

    for (int i = m - 1; i >= 0; i--)
    {
        for (int j = 0; j < i; j++)
        {
            if (mat[j][0] > mat[j + 1][0])
            {
                double * temp = mat[j];
                mat[j] = mat[j + 1];
                mat[j + 1] = temp;
            }
        }
    }

    cout << endl;

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            cout << mat[i][j] << " ";
        }

        cout << endl;
    }


    for (int i = 0; i < n; i++)
        delete[] mat[i];

    delete[] mat;

    return 0;
}