procon

1. combinatorics
2. convex-hull-trick
3. debug
4. dynamic-programming
5. fft
6. game
7. greedy-algorithm
8. kitamasa-method
9. matching
10. mind
11. misc
12. rounding-function
13. string

programming

1. functor_applicative_monad
2. subtyping

web

1. bidirectional
2. css
3. docker