How to solve thisTopcoder problem 
Difference between en1 and en2, changed 84 character(s)
Why the solution to this problem is not by dynamic programming and how the solution is to sum up the average among each group multiplied by the probability .↵
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link          https://arena.topcoder.com/#/u/practiceCode/15638/31722/12514/1/317232

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English _QWOiNYUIVMPFSBKLiGSMAP_ 2018-02-06 07:52:36 84
en1 English _QWOiNYUIVMPFSBKLiGSMAP_ 2018-02-06 06:46:31 195 Initial revision (published)