Have to get all the subsequences of it which has no suplicates more than k

#1
#2

Hello @Chandra123

You have NOT implemented the “check” function properly.
Here is the modified code

#3

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.