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Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4, and 6 to 4 is 2. Total distance traveled = 3 + 4 + 2 = 9.

Example:

Input x = [1 2 3 2] Output y is 3

1184 correct solutions
605 incorrect solutions

Last solution submitted on Feb 27, 2015

8 players like this problem

1 Comment

SAMET YILDIZ
on 15 Jul 2014

What is the problem with this solution? It works on matlab

1 Comment

Marios
on 19 Feb 2014

sumabs()

9 Comments