→ 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 |
|---|---|---|---|---|---|
| 387732178 | Aug/20/2026 00:26 | Mugdha_sarker | A - Finding Socks (socks) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 387732071 | Aug/20/2026 00:22 | Mugdha_sarker | I - Another Construction Problem (construct) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 387616926 | Aug/19/2026 00:53 | milhan_Kaiser_02 | A - Finding Socks (socks) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 386008938 | Aug/07/2026 05:00 | ahnlinsuper | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 40 points |
| 386008768 | Aug/07/2026 04:57 | ahnlinsuper | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 386008693 | Aug/07/2026 04:55 | ahnlinsuper | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 385530953 | Aug/04/2026 14:37 | ahnlinsuper | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 385516459 | Aug/04/2026 12:23 | ahnlinsuper# | B - Sushibwoah (sushi) | C++23 (GCC 14-64, msys2) | Partial result: 23 points |
| 385512790 | Aug/04/2026 11:50 | ahnlinsuper# | E - K-th Unique Element (unique) | C++23 (GCC 14-64, msys2) | Partial result: 30 points |
| 385511237 | Aug/04/2026 11:37 | ahnlinsuper# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Partial result: 13 points |
| 385508810 | Aug/04/2026 11:17 | ahnlinsuper# | C - Trees and Flowers (flower) | C++23 (GCC 14-64, msys2) | Partial result: 6 points |
| 385507369 | Aug/04/2026 11:04 | ahnlinsuper# | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 385506280 | Aug/04/2026 10:54 | ahnlinsuper# | D - GL Convolution (gcdlcm) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 385504889 | Aug/04/2026 10:40 | ahnlinsuper# | G - DVDlogo (dvdlogo) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 385503687 | Aug/04/2026 10:29 | ahnlinsuper# | G - DVDlogo (dvdlogo) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 385502493 | Aug/04/2026 10:16 | ahnlinsuper# | E - K-th Unique Element (unique) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 385500536 | Aug/04/2026 09:56 | ahnlinsuper# | E - K-th Unique Element (unique) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 385498653 | Aug/04/2026 09:35 | ahnlinsuper# | F - Root Distance Sum (rootsum) | C++23 (GCC 14-64, msys2) | Partial result: 6 points |
| 385495781 | Aug/04/2026 09:04 | ahnlinsuper# | A - Finding Socks (socks) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 383972936 | Jul/23/2026 19:05 | iantsai0616 | H - Claire's Journey (wall) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 382450601 | Jul/13/2026 21:21 | Fatass Snowman: v_potoke, OG_Matveychick1# | H - Claire's Journey (wall) | C++20 (GCC 13-64) | Partial result: 40 points |
| 382449356 | Jul/13/2026 21:08 | Fatass Snowman: v_potoke, OG_Matveychick1# | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 15 points |
| 382449032 | Jul/13/2026 21:05 | Fatass Snowman: v_potoke, OG_Matveychick1# | H - Claire's Journey (wall) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 382448772 | Jul/13/2026 21:03 | Fatass Snowman: v_potoke, OG_Matveychick1# | H - Claire's Journey (wall) | C++20 (GCC 13-64) | Partial result: 0 points |
| 382445575 | Jul/13/2026 20:34 | Fatass Snowman: v_potoke, OG_Matveychick1# | F - Root Distance Sum (rootsum) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 382442746 | Jul/13/2026 20:14 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Perfect result: 100 points |
| 382442419 | Jul/13/2026 20:12 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382442189 | Jul/13/2026 20:10 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382442096 | Jul/13/2026 20:09 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382441965 | Jul/13/2026 20:08 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++23 (GCC 14-64, msys2) | Partial result: 46 points |
| 382441900 | Jul/13/2026 20:08 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++23 (GCC 14-64, msys2) | Partial result: 46 points |
| 382441625 | Jul/13/2026 20:06 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++23 (GCC 14-64, msys2) | Partial result: 46 points |
| 382441603 | Jul/13/2026 20:06 | Fatass Snowman: v_potoke, OG_Matveychick1# | B - Sushibwoah (sushi) | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 382441383 | Jul/13/2026 20:04 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382441300 | Jul/13/2026 20:04 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382441093 | Jul/13/2026 20:02 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382440830 | Jul/13/2026 20:00 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382440790 | Jul/13/2026 20:00 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382440702 | Jul/13/2026 19:59 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382440575 | Jul/13/2026 19:59 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 26 points |
| 382440514 | Jul/13/2026 19:58 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382440452 | Jul/13/2026 19:58 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 6 points |
| 382440256 | Jul/13/2026 19:56 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382440257 | Jul/13/2026 19:56 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++23 (GCC 14-64, msys2) | Partial result: 46 points |
| 382440173 | Jul/13/2026 19:56 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 26 points |
| 382440111 | Jul/13/2026 19:55 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 6 points |
| 382439708 | Jul/13/2026 19:51 | Fatass Snowman: v_potoke, OG_Matveychick1# | B - Sushibwoah (sushi) | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 382438525 | Jul/13/2026 19:40 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382438436 | Jul/13/2026 19:40 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
| 382438378 | Jul/13/2026 19:39 | Fatass Snowman: v_potoke, OG_Matveychick1# | C - Trees and Flowers (flower) | C++20 (GCC 13-64) | Partial result: 46 points |
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