What is bug in this code?

Question

This is the code for finding an anadrome. When the code was executed it shows no output.Can any please explain what was wrong in this code?
https://code.sololearn.com/c6PaeId1f3fj/?ref=app
https://code.sololearn.com/c6PaeId1f3fj/?ref=app

Answer 1

In 15th line for scaning a string u shouldent use &

Change it to this form till work

15th line:scanf("%s",a);