C++ Selection Sort

gistfile1.cpp

#include <iostream>
#include <stdlib.h>


void selection_sort(int *list, int list_length);

int main()
{
    int list_length = 30;
    int list[list_length];
    /* Creates a random int list */
    srand(time(NULL));
    for (int i = 0; i < list_length; i++)
    {
        list[i] = rand() % 300;
        std::cout << i << ":" << list[i] << std::endl;
    }
    
    selection_sort(list, list_length);

    /* Check the result */
    for (int k = 0; k < list_length; k++){
    	std::cout << list[k] << ",";
    }

	return 0;
}

void selection_sort(int *list, int list_length)
{
	int min_pos;
	int temp;
	for (int i = 0; i < list_length; i++)
	{
		min_pos = i;
		for (int j = i + 1; j < list_length; j++)
		{
			if (list[j] <= list[min_pos])
			{
				min_pos = j;
			}
		}
		temp = list[i];
		list[i] = list[min_pos];
		list[min_pos] = temp;
	}
}