2023 AP CS A Exam Free Response Solutions

The 2023 AP Computer Science A Free Response problems are of average difficulty with interesting twists.

The brute force solution for the AppointmentBook method findFreeBlock can be improved to a one-pass algorithm.

The Sign class method getLines requires a more interesting algorithm than many past FR that request an entire class.

The WeatherData method longestHeatWave is an interesting variation on finding the max that hasn’t been featured since the NumberCube method getLongestRun in 2009.

BoxOfCandy features relatively simple manipulations of a 2D array with a clever presentation.