String sorting problem

#1

my code is running perfectly fine for sample test case but is giving wrong answer for the other test cases. what is wrong in the code?

#2

you can just modify your compare function like this and remove your issubstring() function

bool myCompare(string a, string b) {
if (a.find(b)==0 || b.find(a)==0)
return a.length() > b.length();
return a < b;
}

#3

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