[challenge]Find number of set bits in a number with in an iteration?

Question

must find in one iteration

Answer 1

Here is the oneliner fast solution
https://code.sololearn.com/ckyITt17dCeJ/?ref=app

Answer 2

Do you define "set bits" as bits = 1, so that
7 --> 0111 ie 3 set bits.
if so
in python
num=7
print(len(''.join(str(bin(num))[2:].split('0'))))

Answer 3

https://code.sololearn.com/cIfHGSwi17qn/?ref=app

Answer 4

create a table then lookup in the table : gives you the bit set in one operation

Answer 5

you can do it, but I'm not familiar with java

Answer 6

there we go
https://code.sololearn.com/cFqXLYbAS1nK/?ref=app

Answer 7

@Amal Poulose
Corrected the code and now it works fine.

Answer 8

you have to find it in single iteration means no loops

Answer 9

is java allowed?

Answer 10

@kinshuk vasisht check your code with upper limit of long long int

Answer 11

https://code.sololearn.com/cGic6cYKGZ7X/?ref=app