Fixed How to count the number of set bits in a 32-bit integer? #dev #it #asnwer
Fixed How to count the number of set bits in a 32-bit integer? #dev #it #asnwer
How to count the number of set bits in a 32-bit integer?
8 bits representing the number 7 look like this:
00000111
Three bits are set.
What are algorithms to determine the number of set bits in a 32-bit integer?
Answer: How to count the number of set bits in a 32-bit integer?
This is known as the ‘Hamming Weight‘, ‘popcount’ or ‘sideways addition’.
The ‘best’ algorithm really depends on which…
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