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Bitwise OR of all unordered pairs from a given array | Function to find the bitwise OR of all possible pairs of the array.
Stores bitwise OR of all possible pairs of arr.
Traverse the array arr.
Update totalOR.
Return bitwise OR of all possible pairs of arr.
Driver Code"
Solution in Python:
assistant
#Here is code to bitwise OR of all unordered pairs from a given array and the other steps required.
 def TotalBitwiseORPair ( arr , N ) :
	totalOR = 0 ;
	for i in range ( N ) :
		totalOR |= arr [ i ] ;
	return totalOR ;
if __name__ == ' _ _ main _ _ ' :
	arr = [ 4 , 5 , 12 , 15 ] ;
	N = len ( arr ) ;
	print ( TotalBitwiseORPair ( arr , N ) ) ;