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Help with solution for timus 1519

Правка en2, от upobir, 2019-01-30 18:01:58

I have been stuck at this problem for quite a long time now. Can someone please provide a detailed solution. I know the trick to be used is broken profile dp, but after that I am in a dead end. Thanks in advance.

Теги dp profile


  Rev. Язык Кто Когда Δ Комментарий
en2 Английский upobir 2019-01-30 18:01:58 12
en1 Английский upobir 2019-01-30 18:01:21 288 Initial revision (published)