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Basic operations / problems on FPS
Basic operations
- [x] FFT
- [x] inv
- [x] log
- [x] exp
- [ ] sqrt
- [ ] pow
Problems
- [x] https://www.luogu.com.cn/problem/P5900 (http://oeis.org/A000081)
- [x] https://www.luogu.com.cn/problem/P6295 (http://oeis.org/A082402)