Whats wrong in this?

#1

It passes all the testcases that i can think of. But when i submit it, one shows wrong answer and another testcase show run error. What am i doing wrong?

#2

hi @PNG_Mayank

for this sample output
3
bat
apple
batman

your output is
batman bat apple

which is definitely wrong
your logic of comparision is not correct

it should look like

bool compare(string s1,string s2){
	int i=0;
	while(s1[i]==s2[i]&&i<s1.length()-1&&i<s2.length()-1){
		i++;
	}
	if(s1[i]==s2[i]) return true;
	return s1<s2;
}