human
Lexicographically smallest string with given string as prefix | Function to find the whether the string temp starts with str or not.
Base Case.
Check for the corresponding characters in temp & str.
Function to find lexicographic smallest string consisting of the string str as prefix.
Sort the given array string arr [ ].
If the i - th string contains given string as a prefix , then print the result.
If no string exists then return " - 1".
Driver Code"
Solution in Python:
 Write me a code to lexicographically smallest string with given string as prefix and the other steps required?
assistant
#Here is code to lexicographically smallest string with given string as prefix and the other steps required.
 def is_prefix ( temp , str ) :
	if ( len ( temp ) < len ( str ) ) :
		return 0
	else :
		for i in range ( len ( str ) ) :
			if ( str [ i ] != temp [ i ] ) :
				return 0
		return 1
def lexicographicallyString ( input , n , str ) :
	input . sort ( )
	for i in range ( n ) :
		temp = input [ i ]
		if ( is_prefix ( temp , str ) ) :
			return temp
	return " - 1"
if __name__ == ' _ _ main _ _ ' :
	arr = [ " apple " , " appe " , " apl " , " aapl " , " appax " ]
	S = " app "
	N = 5
	print ( lexicographicallyString ( arr , N , S ) )