Leetcode Problem 191. Number of 1 Bits

191. Number of 1 Bits

Leetcode Solutions

Bit Manipulation Trick

Initialize a count variable to 0 to keep track of the number of '1' bits.
While n is not zero: a. Perform a bitwise AND operation between n and n - 1 and store the result back in n. b. Increment the count by 1.
Return the count as the Hamming weight of the number.

Loop and Check Each Bit

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