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305 Div.1 C

Revision en1, by farnasirim, 2015-08-09 11:08:07

Hi, I'm having a hard time understanding the author's solution for this problem . I would appreciate it if anyone could explain his/her accepted solution.

Thank you in advance.

Tags prime numbers, data structures

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  Rev. Lang. By When Δ Comment
en1 English farnasirim 2015-08-09 11:08:07 237 Initial revision (published)