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?
Return the largest number that is adjacent to a zero
First non-zero element in each column
Sum of diagonal of a square matrix
Rosenbrock's Banana Function and its derivatives
Return elements unique to either input
What's my favourite food?
calculate the day of the year from a date string.
Persistence will not help you solve this problem.
microseconds passed today
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