Robust Fill; Flashfill

[Bharathsrinivasan]

Hi,
I am a CS undergrad. i would like to implement the following papers.
Please let me know the subjects that i need to know to understand it. Could you please help me ?

https://people.csail.mit.edu/rishabh/papers/cav15-ranking.pdf

https://www.semanticscholar.org/paper/RobustFill%3A-Neural-Program-Learning-under-Noisy-I%2FO-Devlin-Uesato/3ff0af64279929a952ee340e645256b7e0580f65

Thank you.