bubble sort using user defined function

bubble sort

#include <stdio.h>


void bubble_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");

bubble_sort(arr, 10);

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

return 0;
}

void bubble_sort(int a[], int size)
{
int switched = 1;
int hold = 0;
int i = 0;
int j = 0;

size -= 1;

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

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