Contest Problem on Graphs

Правка en6, от amr0, 2018-12-01 13:40:47

Hello, I am not sure how to solve this problem on graphs from a previous contest. Any help is appreciated.

/predownloaded/66/3b/663b4d2543fb1d89a3949308b590ab2c90ca0052.png

Теги graph, directed graph

История

 
 
 
 
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  Rev. Язык Кто Когда Δ Комментарий
en9 Английский amr0 2018-12-01 16:20:17 0 (published)
en8 Английский amr0 2018-12-01 13:45:02 88
en7 Английский amr0 2018-12-01 13:41:19 60 (saved to drafts)
en6 Английский amr0 2018-12-01 13:40:47 65
en5 Английский amr0 2018-12-01 13:39:56 68 Tiny change: 'preciated.' -> 'preciated.\nhttps://mirror.codeforces.com/ee120a/og.PNG '
en4 Английский amr0 2018-12-01 13:38:56 0 Reverted to en2
en3 Английский amr0 2018-12-01 13:38:40 0 Reverted to en1
en2 Английский amr0 2018-12-01 13:38:24 0 (published)
en1 Английский amr0 2018-12-01 13:37:56 131 Initial revision (saved to drafts)