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What is a code to number of ways to insert two pairs of parentheses into a string of N characters and the other steps required given the following:
Number of ways to insert two pairs of parentheses into a string of N characters | Function to return the number of ways to insert the bracket pairs.
Driver code"
Solution in Python:
assistant
#Here is code to number of ways to insert two pairs of parentheses into a string of N characters and the other steps required.
 def cntWays ( string , n ) :
	x = n + 1 ;
	ways = x * x * ( x * x - 1 ) // 12 ;
	return ways ;
if __name__ == " _ _ main _ _ " :
	string = " ab " ;
	n = len ( string ) ;
	print ( cntWays ( string , n ) ) ;