Leetcode - Hamming Distance
https://leetcode.com/problems/hamming-distance/
The Hamming distance between two integers is the number of positions at which the corresponding bits are different.
Given two integers x and y, calculate the Hamming distance.
Note:
0 ≤ x, y < 231.
Example:
Input: x = 1, y = 4
Output: 2
Explanation:
1 (0 0 0 1)
4 (0 1 0 0)
↑ ↑
The above arrows point to positions where the corresponding bits are different.
func hammingDistance(x int, y int) int {
xor := x^y
count := 0
for xor != 0 {
if xor % 2 == 1 {
count++
}
xor = xor >> 1
}
return count
}
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