#include <stdio.h>

void
straight_selection(int *array, size_t size)
{
    for (int i = 0; i < size; ++i)
    {
	int k = i;
	int x = array[i];
	for (int j = i; j < size; ++j)
	{
	    if (array[j] < x)
	    {
		k = j;
		x = array[j];
	    }
	}
	array[k] = array[i];
	array[i] = x;
    }
}

void
print_array(int *array, size_t size)
{
    if (size == 0) printf("array = { }\n");
    
    printf("array = { ");
    for (int i = 0; i < size - 1; ++i)
	printf("%i, ", array[i]);
    printf("%i };\n", array[size - 1]);
}

int
main()
{
    int array[] = { 2, 7, 12, 30, 11, 4, 12, 5, 20 };
    size_t size = sizeof(array) / sizeof(*array);
    print_array(array, size);
    straight_selection(array, size);
    print_array(array, size);

    return 0;
}