help required in dp...

Revision en1, by RonoroaZoro, 2018-07-15 22:30:14

hello codeforces!!

i had been struggling with THIS problem and i had found recursion for this on here . but i am not able to understand how to get that recursion with myself and how to simply it; if anyone here can help me it would be too kind and helpful for me ... thanks in advanced..

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en1 English RonoroaZoro 2018-07-15 22:30:14 400 Initial revision (published)