ooscode's blog

Problem D
By ooscode, history, 21 month(s) ago, In English

Hello :) I use dp for solve problem d in Educational Codeforces Round 144 (Rated for Div. 2) But it works wrong. why? Submition link : 195450167

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21 month(s) ago, # |
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You need to remember that there is a constraint on the positions having -x's as well.

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