OJ Board

What causes WA?


#include<cmath>
#include<stdio.h>
#include<cctype>
#include<cstdlib>
#include<cstring>
#include<stack>
#include<queue>
#include<list>
#include<map>
#include<set>
#include<deque>
#include<iostream>
#include<string>
#include<vector>
#include<sstream>
#include<algorithm>

using ...

i am getting wrong answer...

may be there is a small mistake in my understanding...

the rules are to be checked everytime from the begining that is rule 1 right?

so how do you explain this?

5
a
n
b
k
nk
m
mmmm
i
kmkkknmkknn
am
ababababbabbbbaabbbaa



return "iam" ?

it should return "inm" if ...