Take look this code is not giving me permutation

#1

i haven’t include the backtracking step yet but first i want to see the wrong output which we generate using recursion

#2

hello @anshulgurawalia

check now->

#3

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#4

please check this one more time in am getting the correct output without including the backtracking step https://ide.codingblocks.com/s/582433

#5

this happens because you are passing the string by value
so every time new copy will be created hence no need to undo the changes in backtracking

but if you pass it by reference then you will get wrong ans