Problems and Algorithms

1. Static Site, Persistent State » 28 Nov 2025
2. Physics Simulation » 26 Apr 2025
3. Solving 2-SAT » 12 Sep 2024
4. The Theory Behind Auction and Pacing » 19 Aug 2024
5. Building Ads Optimization » 13 Aug 2024
6. Discrete Fourier Transform » 13 Feb 2024
7. Sierpiński triangle » 03 Feb 2023
8. Mirrors and Laser Puzzle » 26 Jul 2022
9. Fibonacci Numbers » 24 Jul 2022
10. Calculating Mahonian Numbers » 27 Dec 2020
11. Codechef Challenge Dec20 Editorial » 12 Dec 2020
12. Complex Fourier Visualization » 31 Oct 2020
13. C(n, k) mod 2 » 23 Oct 2020
14. Tetration Fractal » 22 Oct 2020
15. Streaming Server Using Kqueue » 10 Mar 2020
16. I/O Multiplexing (select vs. poll vs. epoll/kqueue) » 06 Mar 2020
17. Minimum Pawn Captures » 15 Jun 2019
18. Rooks on Chessboard » 10 Jun 2019
19. Suffix Arrays » 14 Apr 2019
20. Hamiltonian Path (Special Case) » 01 Apr 2019
21. Binary Indexed Tree (Fenwick Tree) » 30 Mar 2019
22. Find all prime numbers up to N » 27 Mar 2019
23. 0/1 Knapsack (with groups) » 21 Mar 2019