skaiciu rykiavimas

#include <iostream>
#include <fstream>
#include <iomanip>

using namespace std;

int main()
{

    int n, min;

    ifstream fr("U1.txt");
    ofstream fw("U1rez.txt");
    fr >> n;
    int mas[100];





    for (int i = 0; i < n; i++)
    {
        fr >> mas[i];


    }
    for (int i = 0; i < n; i++)
    {
        for (int j = i + 1; j < n; j++)
        {
            if (mas[i] > mas[j])
            {
                min = mas[i];
                mas[i] = mas[j];
                mas[j] = min;
            }
        }
    }
    for (int i = 0; i < n ; i++)
    {

        fw << mas[i] << (i < n-1 ? "," : "");
    }



    fr.close();
    fw.close();

}