Calculate the amount of nanoseconds passed in the current day of a certain date string.
The test suite has been expanded and fixed.
The date string identifies the date and time to the nearest second, so we know that the last 9 digits of the correct number of nanoseconds have to be zeros. Where are these odd, fractional numbers coming from?
Make an N-dimensional Multiplication Table
Sum all integers from 1 to 2^n
Back to basics 22 - Rotate a matrix
A little bit of luck needed
calculate the day of the year from a date string.
Persistence will help you solve almost any problem.
Distance between Berlin and New York in km
how to concatenate matrices
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