[LeetCode] 1356. Sort Integers by The Number of 1 Bits ¸ù¾ÝÊý×Ö¶þ½øÖÆÏÂ1 µÄÊýÄ¿ÅÅÐò

You are given an integer array arr. Sort the integers in the array in ascending order by the number of 1's in their binary representation and in case