human
Make the array non | Function to make array non - decreasing.
Take the first element.
Perform the operation.
Traverse the array.
Next element.
If next element is greater than the current element then decrease it to increase the possibilities.
It is not possible to make the array non - decreasing with the given operation.
Next element is now the current.
The array can be made non - decreasing with the given operation.
Driver code"
Solution in Python:

What is a code to make the array non and the other steps required?
assistant
#Here is code to make the array non and the other steps required.
 def isPossible ( a , n ) :
	cur = a [ 0 ] ;
	cur -= 1 ;
	for i in range ( 1 , n ) :
		nxt = a [ i ] ;
		if ( nxt > cur ) :
			nxt -= 1 ;
		elif ( nxt < cur ) :
			return False ;
		cur = nxt ;
	return True ;
if __name__ == " _ _ main _ _ " :
	a = [ 1 , 2 , 1 , 2 , 3 ] ;
	n = len ( a ) ;
	if ( isPossible ( a , n ) ) :
		print ( " Yes " ) ;
	else :
		print ( " No " ) ;