Riku Kawasaki
Timeline
| Contest | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Major Individual Competitions: | ||||||||||
| TopCoder Open Algorithm | top‑16 | top‑16 | 
2
| - | - | - | Google Code Jam | 13 | - | - | - | Facebook Hacker Cup | 7 | 9 | 5 | 14 | 6 | - | Yandex.Algorithm | - | - | - | - | - | - | - | 7 | 6 | - |
| Major Team Competitions: | ||||||||||
| Google Hash Code | - | - | - | 25 | 
3
| 4 | 
1
| - | - | - | Universal Cup | - | - | - | - | - | - | - | - | - |
3
| Universal Cup Summer Summit | - | - | - | - | - | - | - | - |
3
| - |
| Worldwide High School and Collegiate Onsites: | ||||||||||
| IOI |
44
|
4
| - | ICPC World Finals |
3
|
3
| - | |||
| Regional International Contests: | ||||||||||
| CodeChef SnackDown | - | - | 8 | - | - | - | - | |||
- — 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 |
|---|---|---|---|---|
| 09 Jan 2022 | CodeChef SnackDown 2021 | 8
8
| 4/7 | $500 |
| 19 Aug 2016 | IOI 2016 | 44
44 - 45
| 374/600 | |
| 04 Aug 2017 | IOI 2017 | 4
4
| 445.66/600 | |
| 02 Dec 2023 | Yandex Cup 2023 Algorithm | 7
7
| 32/60 | |
| 03 Dec 2024 | Yandex Cup 2024 Algorithm | 6
6
| 40 | |
| 25 Oct 2019 | Facebook Hacker Cup 2019 | 7
7
| 75/100 | $100 |
| 05 Dec 2020 | Facebook Hacker Cup 2020 | 9
9
| 65/100 | $500 |
| 11 Dec 2021 | Facebook Hacker Cup 2021 | 5
5
| 42/100 | $1000 |
| 10 Dec 2022 | Meta Hacker Cup 2022 | 14
14
| 51/100 | $300 |
| 09 Dec 2023 | Meta Hacker Cup 2023 | 6
6
| 76/100 | $500 |
| 07 Aug 2021 | Google Code Jam 2021 | 13
13
| 100/200 | $100 |
| 16 Nov 2019 | Topcoder Open 2019 Algorithm | 16
semifinalist (top‑16)
Ranked 8
in Semifinal 2
| 0 | |
| 19 Nov 2021 | Topcoder Open 2021 Algorithm | 12
semifinalist (top‑16)
Ranked 6
in Semifinal 2
| 341.10 | |
| 19 Nov 2022 | Topcoder Open 2022 Algorithm | 2
2
| 826.20 | $3500 |
Team Results
| Date | Contest | Rank | Team | Score | Prize |
|---|---|---|---|---|---|
| 04 Apr 2019 | ICPC 2019 World Finals | 3
3
| The University of Tokyo
(Gifted Infants):
| 9/11 | Asia Pacific Champion $7500 |
| 10 Nov 2022 | ICPC 2021 World Finals Dhaka | 3
3
| The University of Tokyo
(___ KING ___):
| 9/12 | Asia Pacific Champion $9900 |
| 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 |
| 27 Apr 2019 | Google Hash Code 2019 | 25
25
|
Gifted Vookies:
| 4701171 | |
| 25 Apr 2020 | Google Hash Code 2020 | 3
3
|
✷code:
| 6238462 | $4000 |
| 24 Apr 2021 | Google Hash Code 2021 | 4
4
|
✷code:
| 325098531 | |
| 30 Apr 2022 | Google Hash Code 2022 | 1
1
|
✷code:
| 5396369 | $16000 |