Segmentation fault trying to dereference an iterator

Question

I\'m trying to find the maximum value of a vector using std::max_element. When I run the program I get a segmentation fault that I believe is to do with std::end going over the

Answer 1

It won't work when max is std::end(tempdata) which can occurs if your tempdata is empty.

Iterator to the greatest element in the range [first, last). If several elements in the range are equivalent to the greatest element, returns the iterator to the first such element. Returns last if the range is empty.

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