Yui Hosaka
Timeline
| Contest | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Major Individual Competitions: | ||||||||||||||||||
| TopCoder Open Algorithm | 8 | 8 | 
2
| top‑16 | top‑16 | - | - | - | Google Code Jam | 16 | 5 | Q | 11 | - | - | - | Facebook Hacker Cup | - | - | - | 12 | 5 | 5 | 9 |
2
| - | Yandex.Algorithm | - | - | - | - |
2
| - | - | - | - | - | - | - | - |
2
| 4 | - | AtCoder World Tour Finals Algorithm | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 11 |
| Major Team Competitions: | ||||||||||||||||||
| Universal Cup | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
3
| Universal Cup Summer Summit | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
3
| - |
| Worldwide High School and Collegiate Onsites: | ||||||||||||||||||
| IOI |
23
|
2
| ICPC World Finals | 32 |
3
| VK Cup | - | - | - | - | Q | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Worldwide Online Championships: | ||||||||||||||||||
| TopCoder High School | - | 20 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Regional International Contests: | ||||||||||||||||||
| Bayan Programming Contest | - | - | - | - | - | - | Q | - | - | - | - | - | - | - | - | - | - | CodeChef SnackDown | - | - | - | - | - | - | - | - | - | 11 | - | - | - | - | M(IT)^2 Spring Invitationals | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1
|
- — competition hasn't been held that year, or wasn't an international championship, or we have no info about it
F — participated in the final event, but the rank is unknown
Q — qualified to the final event but hasn't participated in it
Q* — qualified to the final event only after some other contestant refused to participate
Individual Results
| Date | Contest | Rank | Score | Prize |
|---|---|---|---|---|
| 03 May 2025 | M(IT)^2 2025 Spring Invitationals | 1
1
| 405/500 | $1500 |
| 09 Jan 2022 | CodeChef SnackDown 2021 | 11
11
| 4/7 | $500 |
| 01 May 2015 | Bayan Programming Contest 2014-2015 | 100000001
qualified
Ranked 1
in Shortcut
| ||
| 24 Jan 2009 | TCHS 2009 | 20
20
| 588.34 | $75 |
| 20 Mar 2010 | TCHS 2010 | 4
4
| 1185.09 | $750 |
| 15 Jul 2012 | VK Cup 2012 | 100000001
qualified
Ranked 1
in Round 3
| ||
| 23 Aug 2008 | IOI 2008 | 23
23
| 360/600 | |
| 15 Aug 2009 | IOI 2009 | 2
2
| 729/800 | |
| 17 Jul 2025 | AtCoder World Tour Finals 2025 Algorithm | 11
11 - 12
| 0/6600 | |
| 01 Aug 2014 | Yandex.Algorithm 2014 | 2
2
| 4/6 | ₽150000 |
| 02 Dec 2023 | Yandex Cup 2023 Algorithm | 2
2
| 42/60 | ₽250000 |
| 03 Dec 2024 | Yandex Cup 2024 Algorithm | 4
4
| 46 | ₽200000 |
| 12 Mar 2011 | Facebook Hacker Cup 2011 | 12
12
| 100/300 | $100 |
| 17 Mar 2012 | Facebook Hacker Cup 2012 | 5
5
| 100/300 | $100 |
| 23 Mar 2013 | Facebook Hacker Cup 2013 | 5
5
| 50/100 | $100 |
| 09 Dec 2023 | Meta Hacker Cup 2023 | 9
9
| 73/100 | $500 |
| 07 Dec 2024 | Meta Hacker Cup 2024 | 2
2
| 84/100 | $10000 |
| 13 Nov 2009 | Google Code Jam 2009 | 16
16
| 30/200 | $100 |
| 27 Jul 2012 | Google Code Jam 2012 | 5
5
| 115/200 | $100 |
| 16 Aug 2013 | Google Code Jam 2013 | 100000012
qualified
Ranked 12
in Round 3
| ||
| 15 Aug 2014 | Google Code Jam 2014 | 11
11
| 77/200 | $100 |
| 28 Sep 2011 | Topcoder Open 2011 Algorithm | 8
8
| -25 | $250 |
| 19 Nov 2014 | Topcoder Open 2014 Algorithm | 8
8
| -25 | $300 |
| 16 Nov 2019 | Topcoder Open 2019 Algorithm | 2
2
| 476.16 | $1500 |
| 19 Nov 2021 | Topcoder Open 2021 Algorithm | 10
semifinalist (top‑16)
Ranked 5
in Semifinal 1
| 484.29 | |
| 19 Nov 2022 | Topcoder Open 2022 Algorithm | 16
semifinalist (top‑16)
Ranked 8
in Semifinal 1
| 50 |
Team Results
| Date | Contest | Rank | Team | Score | Prize |
|---|---|---|---|---|---|
| 30 May 2011 | ACM-ICPC 2011 World Finals | 32
32
| The University of Tokyo
(USAGI Code):
| 5/11 | |
| 03 Jul 2013 | ACM-ICPC 2013 World Finals | 3
3
| The University of Tokyo
(University of Agitsune):
| 8/11 | $7050 |
| 22 Jun 2024 | Universal Cup Summer Summit 2024 | 3
3
|
HoMaMaOvO:
| 8/13 | HUAWEI WATCH GT 4 |
| 22 Feb 2025 | Universal Cup 2025 | 3
3
|
HoMaMaOvO:
| 8 | HUAWEI WATCH D2 |