what is a bubble sort used for code example
Example: bubble sort integers
for (int i = 0; i < n-1; i++)
for (int j = 0; j < n-i-1; j++)
if (arr[j] > arr[j+1])
{
// swap arr[j+1] and arr[i]
int temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}