zx2003's blog

A question.
By zx2003, history, 6 years ago, In English

Why this submission get WA? the submissionhttp://codeforces.com/contest/986/submission/38775795 I run it on the CUSTOM INVOCATION with the WA data,and the result is right. Can you tell me the bug?Or codeforces has bug.

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6 years ago, # |
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Yes.

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6 years ago, # |
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While its true that on custom invocation you get 10 (which you should), I ran it on another online compiler and it gives 11. Seems like there's some kind of undefined behavior in your code.

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