Https://ide.codingblocks.com/s/188735

#1

what is wrong in my code.it is returning correct answer for every input but while submitting on hackerblock all the test cases fails

#2

In the question it is given that output must be sorted. So you should store all the permutation in a vector in the recursive function and then sort it in the main before printing the result.

#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.