Mathematics

1. josephus-queries
2. exponentiation
3. exponentiation-ii
4. counting-divisors
5. common-divisors
6. sum-of-divisors
7. divisor-analysis
8. prime-multiples
9. counting-coprime-pairs
10. binomial-coefficients
11. creating-strings-ii
12. distributing-apples
13. christmas-party
14. bracket-sequences-i
15. bracket-sequences-ii
16. counting-necklaces
17. counting-grids
18. fibonacci-numbers
19. throwing-dice
20. graph-paths-i
21. graph-paths-ii
22. dice-probability
23. moving-robots
24. candy-lottery
25. inversion-probability
26. stick-game
27. nim-game-i
28. nim-game-ii
29. stair-game
30. grundys-game
31. another-game