Tricky permutations

#1

again not able to pass all the test cases

#2

@G_rahil
Consider this testcase “BBAA”
output should be:
AABB
ABAB
ABBA
BAAB
BABA
BBAA
but your code is printing
ABAB
ABBA
BAAB
BABA
BBAA

#3

@G_rahil
Change line 15 to permute(in,i+1,s);
All testcase will pass

#4

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