template?
<
class
?T
>
int
?CountBits(T?n)
{
????
int
?count;????
for
?(count?
=
?
0
,?n?
=
?
~
0
;?????????????n?
!=
?
0
;?????????????n?
>>=
?
1
,?
++
count)
????????
/**/
/*
null
*/
;????
return
?count;
}
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