human
Minimum number using set bits of a given number | Returns minimum number formed by bits of a given number ..
_popcnt32 ( a ) gives number of 1 's  present in binary representation  of a..
Driver Code"
Solution in Python:
assistant
#Here is code to minimum number using set bits of a given number and the other steps required.
 def minimize ( a ) :
	n = bin ( a ) . count ( "1" )
	return ( pow ( 2 , n ) - 1 )
a = 11
print ( minimize ( a ) )