Sum all the numbers of the array (in F# and Haskell you get a list) except the highest and the lowest element (the value, not the index!).
(The highest/lowest element is respectively only one element at each edge, even if there are more than one with the same value!)
Example:
{ 6, 2, 1, 8, 10 } => 16
{ 1, 1, 11, 2, 3 } => 6
If array is empty, null or None, or if only 1 Element exists, return 0.
Note:In C++ instead null an empty vector is used. In C there is no null. ;-)
Have fun coding it and please don't forget to vote and rank this kata! :-)
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