sort arr/ swap

#include <stdio.h>
#define SIZE 10

//https://otvet.mail.ru/question/211049328

void sort_arr(int *,int);
void print_arr(int *,int);
void swap_elements(int *,int *);

int main()
{
    int arr1[SIZE] = {3,5,7,-3,1,2,5,4,3,5};
    //int arr2[SIZE] = {8,-3,18,2,3,4,33,4,2,5};


    print_arr(arr1,SIZE);
    sort_arr(arr1,SIZE);
    print_arr(arr1,SIZE);

    return 0;
}
void print_arr(int *a1,int s)
{
    int i;
    for(i=0;i<s;i++)
    {
        printf("%d\t",a1[i]);
    }
    printf("\n");
}
void sort_arr(int *a1,int s)
{
    int i,j,t;
    for(i=0;i<s-1;i++)
    {
        printf("\ni is %d\n",i);
        for(j=i+1;j<s;j++)
        {
           printf("%d\t",j);

            if(a1[i] > a1[j])
            {
                swap_elements(&a1[i],&a1[j]);
                // t = a1[i]; //without swap()
                //a1[i] = a1[j];
                //a1[j] = t;

            }
        }



    }
}
void swap_elements(int *el1,int *el2)
{
    int temp= *el1;//*el1
    *el1 =  *el2;
    *el2 = temp;

}