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Space and time efficient Binomial Coefficient | Returns value of Binomial Coefficient C ( n , k ).
since C ( n , k ) = C ( n , n - k ).
Calculate value of [ n * ( n - 1 ) * -- - * ( n - k + 1 ) ] / [ k * ( k - 1 ) * -- -- * 1 ].
Driver program to test above function"
Solution in Python:
 Give me a code to space and time efficient Binomial Coefficient and the other steps required?
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#Here is code to space and time efficient Binomial Coefficient and the other steps required.
 def binomialCoefficient ( n , k ) :
	res = 1
	if ( k > n - k ) :
		k = n - k
	for i in range ( k ) :
		res = res * ( n - i )
		res = res / ( i + 1 )
	return res
n = 8
k = 2
res = binomialCoefficient ( n , k )
print ( " Value ▁ of ▁ C ( % ▁ d , ▁ % ▁ d ) ▁ is ▁ % ▁ d " % ( n , k , res ) )