3ND_Algoritmai_SelectionSort

//ISF_17/1. Robert Kropa, Raimond Silobrit, Pavel Trostianko
//Selection Sort

#include <iostream>
#include <fstream>
#include <string>
#include <stdio.h>

using namespace std;

int amount, ats, tmp,n[1000];
string failas="test.txt", rez="rez.txt";

void swap(int *xp, int *yp)
{
    int temp = *xp;
    *xp = *yp;
    *yp = temp;
}

void Didejimo()
{
    int i,j, min_idx;

    for (i = 0; i < amount-1; i++)
    {
        min_idx = i;
        for (j = i+1; j < amount; j++)
          if (n[j] < n[min_idx])
            min_idx = j;

        swap(&n[min_idx], &n[i]);
    }
    ofstream fen(rez.c_str());
    for(int ii=0;ii<amount;ii++)
    {
        fen << n[ii] << endl;
    }
}

void Mazejimo()
{

    int i,j, min_idx;

    for (i = 0; i < amount-1; i++)
    {
        min_idx = i;
        for (j = i+1; j < amount; j++)
          if (n[j] > n[min_idx])
            min_idx = j;

        swap(&n[min_idx], &n[i]);
    }
    ofstream fen(rez.c_str());
    for(int ii=0;ii<amount;ii++)
    {
        fen << n[ii] << endl;
    }
}

int main()
{
    cout << "ISf-17/1 Selection Sort. Robert Kropa, Raimond Silobrit, Pavel Trostianko." << endl;
    ifstream fin(failas.c_str());
    fin >> amount;
    for(int i=0;i<amount;i++)
    {
        fin >> n[i];
    }
    cout << "Iveskite 0 - jeigu norite isvesti elementus didejimo tvarka, 1 - jeigu mazejimo." << endl;
    cin >> ats;
    if(ats==0){Didejimo();}
    else if(ats==1){Mazejimo();}
    else{cout<<"Error!"<<endl;}
    return 0;
}