I think the description of this problem should be more explicit


  • 11
    L

    According to this case :

    Input: "a", "aa" Output: "a" Expected: ""

    String T could contains duplicated characters, and the result shoud contain all of them duplicately, but the description doesn't imply it at all.
    Just adding another case to the description may save a lot of time.

    I saw the first question about the problem is about this, ant there is an answer, but I think we don't check the discuss until we found something wrong, so make the description more clear please if it doesn't bother a lot ~ thank you ~~~~


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