Ayende's interview question
Coded in Swift, as an excercise.
The task is described here.
We have the following file (the full data set is 276 MB), that contains the entry / exit log to a parking lot.
The first value is the entry time, the second is the exit time and the third is the car id.
Details about this file: This is UTF8 text file with space separated values using Windows line ending.
What we need to do is to find out how much time a car spent in the lot based on this file.
The data and the original solution are included inside
/task directory. You need to unzip it before you start. There is also
short.txt, which is a smaller dataset, suitable for testing.
cd cloned-project-directory unzip task/data.zip -d task/ swift build ./.build/debug/ayende ./task/data.txt # or ./.build/debug/ayende < ./task/data.txt
There seems to be a bug with
StreamReader which corrupts console output in some cases. You're better off using the stdin method.