InterviewBit Problems   All Unique Permutations : Unsolved

About the All Unique Permutations : Unsolved category (1)
Time limit exceeds? (1)
A more sexy solution the the given editorial for python (1)
Hi, I am facing a little wired problem. I am able to generate all the permutation (3)
Submission failing inappropriately (1)
Testing with custom input is giving the expected output, but if I simply test, th (1)
How to create new member function for this problem? (4)