Typo near the top, in case someone knows the author:
> log(100)≤log(N)<log(100)
There is a missing 0 in the last log. It should be
> log(100)≤log(N)<log(1000)
> log(100)≤log(N)<log(100)
There is a missing 0 in the last log. It should be
> log(100)≤log(N)<log(1000)