Sort array elements in such a way that the element with the highest number of occurences comes first. If the number of occurences are equal then the print the number which appeared first in the array.
Input: arr[] = {2, 5, 2, 8, 5, 6, 8, 8}
Output: arr[] = {8, 8, 8, 2, 2, 5, 5, 6}
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