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Permutations count (Posted on 2015-10-01) Difficulty: 3 of 5
Find the number of permutations of (1,2,3...n) possessing the following feature:

The number n is the only local maximum e.g. 123465, 123564, 654321,
as opposed to 651432, 261354.

See The Solution Submitted by Ady TZIDON    
Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Hints/Tipsre: error in Ady TZIDON2015-10-02 21:29:54
error in "official solution"Steve Herman2015-10-02 19:02:32
My misleading subject line.Jer2015-10-02 13:38:33
Some Thoughtsone general remarkAdy TZIDON2015-10-02 13:16:01
Some Thoughtsre(2): I guess simplicity is in the mind of the userAdy TZIDON2015-10-02 12:57:26
re: I guess simplicity is in the mind of the userSteve Herman2015-10-02 12:10:50
I guess simplicity is in the mind of the userCharlie2015-10-02 09:57:08
SolutionSimpler solutionJer2015-10-02 07:28:14
Hints/Tipsre: solutionAdy TZIDON2015-10-02 00:00:20
SolutionsolutionCharlie2015-10-01 16:02:09
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