Friday 17 June 2022

IOI 2022 Singapore Team

The 34th International Olympiad in Informatics (IOI) will be hosted by Indonesia from 7 to 15 August 2022. 

The IOI 2022 Singapore Team comprises the following students: 
Ashley Aragorn Khoo, NUSH Year 6 (IOI 2021 Gold, 2020 Silver) 
Tan Si Jie, NUSH Year 6 (IOI 2021 Gold, 2020 Bronze) 
Daniel Toh, NUSH Year 6 (IOI 2020 Bronze)
Joel Au Heng Hoi, NUSH Year 6

Saturday 11 June 2022

Finalists of 2022 Alibaba Global Mathematics Competition

Finalists

There are some familiar names, they are x-men (previously from Singapore IMO Teams): Ang Jie Jun, Ang Yan Sheng, Barry Tng, Liu Yijia, Lim Jeck, Clarence Chew, Bryan Wang, Dylan Toh and Joel Tan

Final Round

Date: June 18. Beijing Time 

Time:  8:00 – 24:00 on June 18th, 2022 (Beijing Time). You may choose any continuous 8 hours within this time window to complete the final round Competition

Format: Online Individual Competition

Type of Question:

The final round includes five tracks of different subject areas:

- Algebra & Number Theory

- Geometry & Topology

- Analysis & Differential Equations,

- Applied & Computational Mathematics

- Combinatorics & Probability.


Topics covered in the final round

- Algebra & Number Theory: Abstract algebra, Algebraic Number Theory, Commutative Algebra, Group and Representation Theory.

- Geometry & Topology: Algebraic Topology, Differential Topology, Manifolds and Lie Groups, Riemannian Geometry.

- Analysis & Differential Equations: Harmonic Analysis, Elliptic Equations, Complex Analysis, Real Analysis.

- Applied & Computational Mathematics: Ordinary Differential Equations, Partial Differential Equations, Optimization Theory, Numerical Linear Algebra, Numerical Analysis, Machine Learning.

- Combinatorics & Probability: Extremal/Probabilistic/Algebraic Combinatorics, Graph Theory, Discrete Geometry, Probability Theory and Stochastic Processes, Operations Research and Combinatorial Optimization,  Mathematical Aspects of Computer Science.

Competition Rules:

- In the final round, contestants are required to select one major track and one minor track before entering the answering interface. Note that the selection, once made,  is final and cannot be altered.

- Contestants can submit solutions to all the five problems in the major track and at most two of all the problems in the minor track. Awards will be given based on the total marks of the major and the minor track

- The final round is a closed-book exam. Reference to any materials and use of computing software are not permitted.

- Please take the competitions with integrity and complete the problems independently. Cheating, discussion, and transmission of the problems are not permitted.


Award

Gold Award (4 winners) with 40,000 USD each

Silver Award (6 winners) with 20,000 USD each

Bronze Award (10 winners) with 10,000 USD each

Honorable Mention (50 Winners) with 5,000 USD each

Sunday 5 June 2022

Google Code Jam 2022 Round 3 Results

Google Code Jam 2022 Round 3 Results

Top 25: 

Top Singapore participants:

Rank nickname (real name), score 
#41 pwypeanut (Pang Wen Yuen), 71 
#57 Zheyuan (Yu Zheyuan), 71 
#97 errorgorn (Ashley Aragorn Khoo), 58 
#125 oneplusone (Lim Jeck), 58
#209 lovemathboy (Zhang Guangxuan), 46
#249 limli (Lim Li), 45
#273 pooty (Aloysius Lim), 45
#291 some_username (Wang Yunrui), 45
#307 jonathanirvings (Jonathan Irvin Gunawan), 45
#373 zengminghao (Zeng Minghao), 42

Thursday 2 June 2022

SMO 2022 (Open Section) Answers

SMO 2022 Open Questions

SMO 2022 (Open Section) Answers 

1. 4043 
2. 1303 
3. 100 
4. 9 
5. 11 
6. 50 
7. 144 
8. 208 
9. 18 
10. 40 
11. 544 
12. 17 
13. 3000 
14. 11 
15. 44 
16. 99 
17. 8 
18. 121 
19. 2 
20. 4 
21. 30 
22. 200 
23. 29 
24. 27648 
25. 2023 

Click here for the review session today (2 Jun) at 6.30 pm.

Wednesday 1 June 2022

SMO 2022 (Senior Section) Answers

SMO 2022 Senior Questions

SMO 2022 (Senior Section) Answers 

1. A
2. D 
3. B 
4. C 
5. E 
6. 81
7. 3 
8. 289 
9. 22 
10. 40 
11. 80 
12. 112 
13. 65 
14. 4044 
15. 2129 
16. 108 
17. 300 
18. 25 
19. 42 
20. 2062 
21. 28 
22. 20 
23. 89 
24. 71 
25. 999 

Click here for the review session tomorrow (2 Jun) at 2.30 pm.

SMO 2022 (Junior Section) Answers

SMO 2022 Junior Questions

SMO 2022 (Junior Section) Answers 

1. D
2. B 
3. B 
4. E 
5. C 
6. 20 
7. 4 
8. 11 
9. 2442 
10. 2800 
11. 540 
12. 3 
13. 92334 
14. 1200 
15. 379 
16. 38 
17. 565 
18. 34 
19. 30 
20. 63 
21. 2023 
22. 2 
23. 267 
24. 8 
25. 3264 

SMO Junior answers are provided by Way Tan. Click here for the review session today (1 Jun) at 3 pm.