* change count-type from pointer to ints to vector
* change type from pointer to ints to vector
* change type from pointer to ints to vector
* change type from pointer to ints to vector
* change type from pointer to ints to vector
* use std::fill only when necessary
* delete unnecessary includes
* reformat
* re-enable a test that was accidentally disabled a few years ago
* finish getting rid of the raw pointers
* include chrono
* changes from review
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Co-authored-by: Anna Brünisholz <anna.bruenisholz@gmail.com>
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