SelectionSort_Array

#include<iostream>
#include<iomanip>
#include <ctime>
using namespace std;

void createArray(int arr[], int n);
void Output(int arr[], int n);
void SelectionSort(int arr[], int n);

int main() {
    int n;
    cout << "Day so nguyen co bao nhieu phan tu? (100 / 1000): ";
    cin >> n;
    int* arr = new int[n];
    createArray(arr, n);
    cout << "\nKhoi tao mang " << n << " phan tu: \n";
    Output(arr, n);

    cout << "\n\nSu dung Selection Sort sap xep mang.\nMang sau khi sap xep:";
    SelectionSort(arr, n);
    Output(arr, n);

    return 0;
}

void createArray(int arr[], int n)
{
    srand((int)time(NULL));
    for (int i = 0; i < n;i++) {
        arr[i] = rand() % 201 - 100;
    }
}

void Output(int arr[], int n)
{
    int* count = new int(0);
    for (int i = 0; i < n;i++) {
        if (*count % 10 == 0)
            cout << endl;
        cout << setw(5) << arr[i];
        (*count)++;
    }
    delete count;
}

void SelectionSort(int arr[], int n)
{
    int min;
    for (int i = 0; i < n - 1;i++) {
        min = i;
        for (int j = i + 1;j < n;j++) {
            if (arr[j] < arr[min])
                min = j;
        }
        if (min != i)
            swap(arr[min], arr[i]);
    }
}