South America Regional Contest 2009 — Problem C

Правка en2, от temp_test, 2016-07-24 03:23:42

Here's the problem on uva, and live archive.

I found some discussion about a DP and greedy solutions but i don't get them, can anyone explain them in details?

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en2 Английский temp_test 2016-07-24 03:23:42 1 Tiny change: 'discussions about a D' -> 'discussion about a D'
en1 Английский temp_test 2016-07-20 01:02:46 438 Initial revision (published)