Rebuilding Roads

Revision en1, by FineLine, 2017-01-13 16:50:11

Hello Everyone ,I am trying to solve this problem for some time now.I could not find an explanation in English for it anywhere . The question is related to DP (on trees) .The problem can be seen here.Thanks in advance :)

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  Rev. Lang. By When Δ Comment
en2 English FineLine 2017-01-13 19:16:57 166 Tiny change: 'n trees) .In Brief t' -> 'n trees) .\nIn Brief t'
en1 English FineLine 2017-01-13 16:50:11 270 Initial revision (published)