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Atcoder ABC123 English Editorial D help ?

Revision en1, by spam_123, 2019-04-06 16:57:52

Hey , Can anyone please tell how to solve D of today's atcoder beginner contest

Link here

How to efficently brute it ?

Any help will be appreciated

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en1 English spam_123 2019-04-06 16:57:52 252 Initial revision (published)