Lowest Set Bit

Difficulty: 900 2000 ms 128 MB

bitwise

Print the VALUE of the lowest set bit of N (for N = 12 = 1100₂, print 4).

Input: one integer N.

Output: N & (−N).

Constraints:

• 1 ≤ N ≤ 10¹⁸

Sample Tests

12

4

7

1

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