When completing the exercise, please consider the following:
- Allow no more than 3 hours to complete the exercise. (Mostly because I find it useful to set a limit, otherwise the temptation to just make one more change can be endless!)
- It's fine to use any resources that you could use in your job; Google, Stack Overflow, etc. But the code you submit should be your own.
- We use Python a lot at Shift Lab, so solutions in Python are preferred.
- Please include documentation explaining how to run your code
ShiftAdd is a multiplayer online quiz game - think Wordle where there is a new challenge every so often but only one live challenge at any time.
Given the specification below, your task is to write a server implementation for ShiftAdd.
The server should randomly generate a new challenge every 30 seconds.
A challenge looks like this:
Challenge {
int id;
int a;
int b;
}
where a and b are random numbers 0 <= a, b < 100
Only one challenge is live at any given time. The solution to a challenge is a + b.
The server is only required to persist state in memory.
A player of the game (i.e. a client of the server), can only submit one solution per challenge. A submission should be rejected if it is not for the current challenge.
For a submission for the current challenge, the server should return a score to the player. The score is calculated as how much time is left in the lifetime of the current challenge (to hundredths of a second), i.e. quicker answers get a higher score! An incorrect solution receives a score of -1.
Upon request:
- The server should return a player's mean score, number of challenges taken part in, and longest streak of correct solutions without missing a challenge.
- The server should return the mean score for a given challenge (for all players that took part).
Good luck!