KILLKTH - Editorial

editorial
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21

okay thanks!

22

@author please add some strong test case!

23

@vivek_1998299 thanks for your help and for your code also :slight_smile:

24

I have a question. Are we only concerned about unique substrings? Say, if there is a substring “xy” and it occurs twice in the given input string, do we concatenate “xyxy” or does “xy” contribute to the “secret string” only once?