---
categories: Algorithms
---

## Problems
- [Nim](https://community.topcoder.com/stat?c=problem_statement&pm=11469&rd=14543) [^1]
- [Random Nim Generator](https://csacademy.com/contest/archive/#task/random_nim_generator/)
- [And Closure](https://csacademy.com/contest/archive/#task/and-closure/)
- [Little Pony and Elements of Harmony](http://codeforces.com/problemset/problem/453/D) [^2]

## See also
- [Fast Fourier transform]()


## External links
- [Fast Fourier Transform and variations of it](http://codeforces.com/blog/entry/48232)
- [Fast Fourier Transform and variations of it](https://csacademy.com/blog/fast-fourier-transform-and-variations-of-it)

[^1]: <https://apps.topcoder.com/wiki/display/tc/SRM+518>
[^2]: <http://codeforces.com/blog/entry/13190>