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Need help.

Revision en1, by VastoLorde95, 2015-07-21 15:46:57

I am unable to understand the solution provided in the editorial of this problem. I read the explanations in the comments but can't seem to understand them either.

Can someone please help me? Thank you! :)

Tags 300, dp, tree

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en9 English VastoLorde95 2015-07-21 22:02:22 273
en8 English VastoLorde95 2015-07-21 21:56:27 0 (published)
en7 English VastoLorde95 2015-07-21 21:56:16 16 (saved to drafts)
en6 English VastoLorde95 2015-07-21 21:49:53 611 Tiny change: ')\n\n**UPD** I have ' -
en5 English VastoLorde95 2015-07-21 21:10:08 4 Tiny change: 'I am unabl' -> 'Hi, I am unabl'
en4 English VastoLorde95 2015-07-21 21:09:22 11 Tiny change: 'u_i) - 1$
en3 English VastoLorde95 2015-07-21 21:07:59 296 Tiny change: 's_{i=1}^k \n\nI don'' -
en2 English VastoLorde95 2015-07-21 16:19:53 266 Tiny change: 's_{i=1}^k $\n\nCan ' -
en1 English VastoLorde95 2015-07-21 15:46:57 268 Initial revision (published)