Why I got WA on test 3?[CF2B]

Revision en3, by Barry_wang, 2019-02-28 11:10:20

My answer is the same with the right answer. But why it said I got WA? Can anyone explain? link->https://codeforces.me/problemset/submission/2/50591945

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  Rev. Lang. By When Δ Comment
en3 English Barry_wang 2019-02-28 11:10:20 63
en2 English Barry_wang 2019-02-28 11:09:02 48 Tiny change: '![ ](https://cdn.luogu.org/upload/pic/52909.png)\nMy answe' -> '\nMy answe'
en1 English Barry_wang 2019-02-28 11:06:11 173 Initial revision (published)