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Given 3 positives numbers a, b and c. Return the minimum flips required in some bits of a and b to make ( a OR b == c ). (bitwise OR operation). Flip operation consists of change any single bit 1 to 0 or change the bit 0 to 1 in their binary representation.

Example 1:

Input: a = 2, b = 6, c = 5 Output: 3 Explanation: After flips a = 1 , b = 4 , c = 5 such that (a OR b == c)

Example 2:

Input: a = 4, b = 2, c = 7 Output: 1

Example 3:

Input: a = 1, b = 2, c = 3 Output: 0

1<= a <= 10^9

1 <= b <= 10^9

1 <= c <= 10^9

Minimum Flips to Make a OR b Equal to c

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Hint 1