Ssort, selection sort in array

#include "stdio.h"

void selection_sort(int a[], int size);

int main(void)
{
int arr[10] = {10, 2, 4, 1, 6, 5, 8, 7, 3, 9};
int i = 0;

printf("before:\n");
for(i = 0; i < 10; i++) printf("%d ", arr[i]);
printf("\n");

selection_sort(arr, 10);

printf("after:\n");
for(i = 0; i < 10; i++) printf("%d ", arr[i]);
printf("\n");

return 0;
}

void selection_sort(int a[], int size)
{
int i = 0;
int j = 0;
int large = 0;
int index = 0;

for(i = size - 1; i > 0; i--)
{
large = a[0];
index = 0;
for(j = 1; j <= i; j++)
if(a[j] > large)
{
large = a[j];
index = j;
}
a[index] = a[i];
a[i] = large;
}
}

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