human
What is a code to total ways of selecting a group of X men from N men with or without including a particular man and the other steps required given the following:
Total ways of selecting a group of X men from N men with or without including a particular man | Function to return the value of nCr.
Initialize the answer.
Divide simultaneously by i to avoid overflow.
Function to return the count of ways.
Driver code"
Solution in Python:
assistant
#Here is code to total ways of selecting a group of X men from N men with or without including a particular man and the other steps required.
 def nCr ( n , r ) :
	ans = 1 ;
	for i in range ( 1 , r + 1 ) :
		ans *= ( n - r + i ) ;
		ans //= i ;
	return ans ;
def total_ways ( N , X ) :
	return ( nCr ( N - 1 , X - 1 ) + nCr ( N - 1 , X ) ) ;
if __name__ == " _ _ main _ _ " :
	N = 5 ; X = 3 ;
	print ( total_ways ( N , X ) ) ;