I don't see an operator between arr
, so I presume the parenthesis mean you want to multiply.
Your description does not adequately explain what you want, particularly the (a[N-1] + a[N-1]).
Indices from your example:
Don't follow. They should be:
The wrong element is incrementing -- a[N-1] * a, a[N-1] * a
Furthermore, this makes no sense. Are a and a use repeatedly throughout? If so, why not change them into constants?
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