→ About Contest
The National High School Programming Contest (NHSPC) is an official informatics contest from Taiwan, where the top ten students enter the spring training camp, in which the IOI participants are selected. The NHSPC Mock Contest is a contest prepared by former OI participants from Taiwan, and helps contestants prepare for the official NHSPC which takes place the following week.
→ Virtual participation
Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.
→ Practice?
Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.
→ Status filter
→ Contest materials
Contest status
| # | When | Who | Problem | Lang | Verdict |
|---|---|---|---|---|---|
| 371578814 | Apr/18/2026 01:39 | Maezra6# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 26 points |
| 371578741 | Apr/18/2026 01:37 | Maezra6# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 20 points |
| 371576385 | Apr/18/2026 00:55 | Maezra6# | E - K-th Unique Element (unique) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 371576241 | Apr/18/2026 00:53 | Maezra6# | E - K-th Unique Element (unique) | C++20 (GCC 13-64) | Partial result: 0 points |
| 371574755 | Apr/18/2026 00:30 | Maezra6# | E - K-th Unique Element (unique) | C++20 (GCC 13-64) | Partial result: 50 points |
| 371574690 | Apr/18/2026 00:29 | Maezra6# | E - K-th Unique Element (unique) | C++20 (GCC 13-64) | Partial result: 50 points |
| 371573623 | Apr/18/2026 00:13 | Maezra6# | E - K-th Unique Element (unique) | C++20 (GCC 13-64) | Partial result: 50 points |
| 371565487 | Apr/17/2026 23:29 | Maezra6# | I - Another Construction Problem (construct) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 371563758 | Apr/17/2026 23:08 | Maezra6# | B - Sushibwoah (sushi) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 371563016 | Apr/17/2026 22:59 | Maezra6# | G - DVDlogo (dvdlogo) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 371559945 | Apr/17/2026 22:28 | Maezra6# | B - Sushibwoah (sushi) | C++20 (GCC 13-64) | Partial result: 43 points |
| 371554593 | Apr/17/2026 21:36 | Maezra6# | D - GL Convolution (gcdlcm) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 371553895 | Apr/17/2026 21:30 | Maezra6# | D - GL Convolution (gcdlcm) | C++20 (GCC 13-64) | Partial result: 11 points |
| 371550627 | Apr/17/2026 21:07 | Maezra6# | A - Finding Socks (socks) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 370924653 | Apr/13/2026 12:04 | SmuggingSpon | F - Root Distance Sum (rootsum) | C++20 (GCC 13-64) | Partial result: 6 points |
| 370924309 | Apr/13/2026 12:00 | SmuggingSpon | F - Root Distance Sum (rootsum) | C++20 (GCC 13-64) | Partial result: 0 points |
| 369992084 | Apr/06/2026 17:44 | timeflew | D - GL Convolution (gcdlcm) | C++20 (GCC 13-64) | Partial result: 11 points |
| 369988788 | Apr/06/2026 17:20 | timeflew | D - GL Convolution (gcdlcm) | C++20 (GCC 13-64) | Partial result: 11 points |
| 369988437 | Apr/06/2026 17:17 | timeflew | D - GL Convolution (gcdlcm) | C++20 (GCC 13-64) | Partial result: 11 points |
| 368210681 | Mar/26/2026 06:21 | being_mysterious | E - K-th Unique Element (unique) | C++23 (GCC 14-64, msys2) | Partial result: 50 points |
| 362061932 | Feb/09/2026 02:08 | ton | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 358369991 | Jan/17/2026 20:40 | llc5pg | A - Finding Socks (socks) | C++17 (GCC 7-32) | Perfect result: 100 points |
| 358141806 | Jan/16/2026 22:15 | Shuvo_06 | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 11 points |
| 357948690 | Jan/15/2026 14:56 | Shuvo_06 | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357948449 | Jan/15/2026 14:54 | Shuvo_06 | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 11 points |
| 357948064 | Jan/15/2026 14:51 | Shuvo_06 | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 11 points |
| 357945904 | Jan/15/2026 14:30 | Shuvo_06 | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357944977 | Jan/15/2026 14:21 | Shuvo_06 | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357918164 | Jan/15/2026 10:18 | Shuvo_06 | A - Finding Socks (socks) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 357918123 | Jan/15/2026 10:18 | Shuvo_06 | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357917962 | Jan/15/2026 10:17 | fierce_adversary | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357917846 | Jan/15/2026 10:16 | fierce_adversary | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357917515 | Jan/15/2026 10:13 | fierce_adversary | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357915768 | Jan/15/2026 09:59 | Shuvo_06 | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357866575 | Jan/14/2026 20:44 | Kirill22 | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 357864611 | Jan/14/2026 20:29 | Kirill22 | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 60 points |
| 357856916 | Jan/14/2026 19:27 | Kirill22# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 357856835 | Jan/14/2026 19:26 | Kirill22# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Partial result: 19 points |
| 357856749 | Jan/14/2026 19:25 | Kirill22# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Partial result: 19 points |
| 357856732 | Jan/14/2026 19:25 | Kirill22# | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357856496 | Jan/14/2026 19:23 | Kirill22# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Partial result: 19 points |
| 357856320 | Jan/14/2026 19:22 | Kirill22# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Partial result: 6 points |
| 357855358 | Jan/14/2026 19:14 | Kirill22# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357855294 | Jan/14/2026 19:14 | Kirill22# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 357854664 | Jan/14/2026 19:09 | Kirill22# | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 60 points |
| 357854293 | Jan/14/2026 19:06 | Kirill22# | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 25 points |
| 357852355 | Jan/14/2026 18:50 | Kirill22# | I - Another Construction Problem (construct) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 357851883 | Jan/14/2026 18:45 | Kirill22# | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 40 points |
| 357851819 | Jan/14/2026 18:45 | Kirill22# | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 25 points |
| 357851748 | Jan/14/2026 18:44 | Kirill22# | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 25 points |
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