Logically seems correct but giving wrong output

#1

can you please see the code where i am going wrong

#2
#3

@narayansatish indentation in your code is very very poor, very difficult to read, please do the proper indendation first.
or tell me the logic you are using for find the prefix string so that i can correct you

#4

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#5
#6

please see now after identation

#7

@narayansatish
Please replace this in your code
{ string pass=(it)->first.data+"";
pass=s+pass;
this->prefix( pass,it->second);
}
with
{ string pass = s + it->first;
this->prefix( pass,it->second);
}

If your doubt is resolved please close it

#8

it is still giving wrong answer for other testcases

#9

@sanyamsinghalmnnit
Please share your updated code

#10
#11

@sanyamsinghalmnnit
Please see the correct code here and cross verify your approach https://ide.codingblocks.com/s/215058