It would be nice if someone can push missing descriptions for those problems listed. I really appreciate that. Additionally, please do not use the source code for any other purpose than education, especially plagiarism.
dooms_day
- Fraction class and Linear Algebra class
- Markov chain, LU Decomposition, Inverse Matrix
find_the_access_codes
- pure Array problems
bomb_baby
- BigInteger and recursive similar to GCD
free_the_bunny_prisoners
- Combinations theory, Lexicographical order
escape_pods
- Maximum flow with multiple sources and sinks
- https://en.wikipedia.org/wiki/Maximum_flow_problem