Sunday 9 June 2024

Invitation: IMO Alumni Reunion July 20–23 in UK (applications open)

This is posted on behalf of Po-Shen Loh.

Dear IMO alum,

I am happy to inform you that there is a new tradition at the IMO: the alumni reunion. I am the IMO Foundation Vice President for Advancement, and served for a decade as the USA IMO Team Leader (2014–2023). I was a contestant at IMO 1999. I am ordinarily also a math professor at Carnegie Mellon University. 

As an IMO alum, you are invited. The goal of this event is to build a strong long-term network among IMO alumni, which will provide value for everyone involved. It overlaps with the last two days of the IMO itself, so you would get to meet your country's IMO team. Then, the alumni will go off on a 2-day excursion together to Blenheim Palace, Oxford, Bletchley Park, and Cambridge. The total event is 4 days long: July 20–23, 2024. 

All details of this summer's IMO Alumni Reunion information are now public, at The application window is also already open. 

In short: all past IMO alumni are invited, but we have a capacity limit of 50 spots this year, because it is the second year of the IMO Alumni Reunion's history. To be fair, the selection system for which 50 will attend is based purely upon time-of-application (proximity to 00:00 UTC on June 6), combined with a mechanism to balance attendance across countries. The full details are on the reunion webpage. 

I hope you will find this to be a useful new tradition. It could help alumni find jobs, hire great candidates, and even recruit terrific students. It also could help build new friendships across borders. I had the luxury of attending many IMO's as a country's Team Leader, and my personal experience is that this network is one which will strongly benefit anyone who invests their effort in building meaningful relationships. Alumni are currently responsible for the costs, but that may change in the future if additional donations are received. 

If you know other IMO alumni who might be interested, please forward this message to them.

I hope to see you at an upcoming IMO reunion, as the IMO travels from continent to continent. Even if you are not able to make it to this one, if you would like to be informed of future IMO reunion details each year, please leave your non-expiring email contact information here.  

Po-Shen Loh

Wednesday 29 May 2024

SMO 2024 (Open Section) Answers

SMO 2024 Open Questions

SMO 2024 (Open Section) Answers
1. 1540
2. 69
3. 4
4. 99999
5. 3
6. 2025
7. 110
8. 5
9. 17
10. 160
11. 10
12. 10
13. 3
14. 81
15. 2
16. 17
17. 4
18. 2516
19. 761
20. 1009
21. 2
22. 24
23. 45 (edited)
24. 441
25. 146 (edited)

The above SMO Open answers are provided by Mathlete Training Centre. Worked solutions (真题解答) by MTC are here. Watch Way's solution review here (live on 30 May, 4 pm)

Tuesday 28 May 2024

SMO 2024 (Senior Section) Answers

SMO 2024 Senior Questions

SMO 2024 (Senior Section) Answers
1. D
2. B
3. D (edited)
4. A
5. D
6. 64
7. 242
8. 506
9. 3
10. 2048
11. 145
12. 8099
13. 128 (edited)
14. 965
15. 25
16. 40
17. 9
18. 160
19. 72
20. 609
21. 521 (edited)
22. 129
23. 21
24. 94
25. 26

The above SMO Senior answers are provided by Mathlete Training Centre and Way Tan. Refer here for MTC's worked solutions (考题解答). Watch Way's solution review here.

SMO 2024 (Junior Section) Answers

SMO 2024 Junior Questions

SMO 2024 (Junior Section) Answers
1. D
2. D
3. B
4. C
5. C
6. 76
7. 89
8. 17
9. 1825
10. 10
11. 19 (edited)
12. 5
13. 9920
14. 23
15. 72
16. 25
17. 2451
18. 32
19. 16
20. 3
21. 504
22. 360
23. 15630
24. 45
25. 3360 (edited)

The above SMO Junior answers are provided by Way Tan. Watch the solution review here. Refer here for worked solutions by Mathlete Training Centre.

Friday 24 May 2024

IOI 2024 Singapore Team

The 36th International Olympiad in Informatics 2024 (IOI 2024) will be hosted by Alexandria, Egypt from 1 to 8 September 2024. 

The IOI 2024 Singapore Team comprises the following students: 
Brian Xiao Boyang, RI Year 2 
Kang Yiming, RI Year 6 
Sun Beichen, HCI Year 5 
Yaw Chur Zhe, HCI Year 6 (IOI 2023 Silver, IOI 2021)

Wednesday 15 May 2024

ChatGPT (clear winner) vs Meta AI

ChatGPT (3 separate searches):

Meta AI (2 separate searches):

ChatGPT is clearly more accurate. Meta AI seems to confuse Lim Jeck with Lim Li and Lim Min.

Monday 13 May 2024

FREE Introduction to Competitive Programming course

This is posted on behalf of Mr Yu.

Hello! 👋

We are inviting you to join our Introduction to Competitive Programming course. This course is targeted for students interested in learning CS and perhaps participating in the 2025 National Olympiad in Informatics (NOI).

No prior experience is required! We will teach all the skillsets necessary to get started in competitive programming, starting from the basics of C++ syntax - don’t worry if you’ve never done programming prior to this. 

You will be trained to solve problems with an algorithmic nature, such as those found in NOI and other similar competitive programming competitions. Participants will be equipped with both the foundational tools to deconstruct such problems as well as some common methods to solve these problems.

This course is targeted towards schools who have little to no computer science resources available and due to the limited manpower those students will be given priority access.

Our experience in the field include (but are not limited to): 
-Total of 6 Gold medals in the NOI and a 4th place finish 
-Asia Pacific Informatics Olympiad (APIO) Silver and Bronze medals 
-Placing top 50 globally in Meta Hacker Cup 

No prior experience is required for this course! You can sign up through the form below.  Signups close May 20th and the course starts on June 1st

Feel free to contact us at for more information

Wednesday 1 May 2024












~ author unknown ~

Thursday 25 April 2024

Snapshot of NUSH Class of 2023 UK/US University Offers

NUS High School Class of 2023 University Offers (as of 1 Apr 2024)
Cohort size: ~180

UK universities:
  • 29 of 37 Cambridge applications yielded an offer
  • 4 of 10 Oxford applications yielded an offer
  • 11 offers from Imperial College (non-Medicine)
  • 9 Medicine offers from UK unis
  • 1 UCL offer
  • 4 offers at St Andrews
  • 8 offers at Glasgow
US universities:
  • 1 offer each from: MIT, Caltech, Princeton (with full scholarship), Yale, Stanford, NYU, USC, UIUC, UPenn, UVA
  • Multiple offers at Washington University-St. Louis and UC San Diego
  • 3 of 5 applicants were made offers at Purdue

NUSH Class of 2017 University Destinations and Courses taken can be found here 
NUSH Class of 2013 University Destinations and Courses taken can be found here

Wednesday 24 April 2024

China Guilin, Yangshuo, Nanning Trip 17 to 24 Apr

桂林- 龙脊梯田--阳朔--大新-靖西--大新8天7晚私人定制游

17/4 抵达南宁机场--南宁司机接送南宁动车站--乘坐动车前往桂林山水甲天下---司机接站--晚上自由活动漫步东西巷--漫步两江四湖--晚上住桂林

18/4 摄影天堂:龙脊梯田--黄洛瑶寨(少数民族风情)--午餐--平安寨(九龙五虎)--晚上自由活动--晚上住桂林

19/4 甲天下山水风光:漓江游船四星船(打卡20元人民币背面) -- 世界溶洞银子岩--邂逅【西街】-- 住阳朔

20/4 休闲在阳朔-- 小漓江人工手撑【遇龙河双人竹筏漂流】(取消)--探访陶渊明笔下的世外桃源--桂林千古情--晚上住阳朔

21/4 阳朔酒店早餐--乘车前往桂林--靖江王府独秀峰--乘坐14点动车前往南宁--南宁东接站--晚上自由活动三街两巷--住南宁

22/4 跨国秘境--德天跨国瀑布--【竹筏“小桂林”明仕田园】--晚上住明仕

23/4 天然氧吧通灵大峡谷--鹅泉--晚上自由活动锦绣古镇--住边境小镇靖西

24/4 酒店早餐--旧州古镇 ----送南宁机场乘坐14点左右航班返程

Outside a restaurant in Yangshuo

Saturday 20 April 2024

IMO 2024 Singapore Team

The 65th International Mathematical Olympiad 2024 (IMO 2024) will be held from 10 to 22 July 2024, and hosted by Bath, UK. 

The Singapore Team comprises the following students: (not in order of ranking) 
Drew Michael Terren Ramirez, NUSH Y6 (IMO 2023 Silver, 2022 Silver)
Raphael Teng Zhi Xiang, NUSH Y5
Akash Thiagarajan, NUSH Y4
Zhang Juntao, RI Y5
Yang Yihan, RI Y4
Zhao Yaoqi, HCI Y5


Monday 15 April 2024

Photos from Luxor, Egypt

with tourist aka Gennady 

with RI friend Peanut - Uni of Waterloo ICPC-2022

with NUSH friends - Jacob MIT ICPC-2023, Lim Li NUS ICPC-2022, Jeffrey NUS ICPC-2023

Team 7 Halim

Photos from Cairo, Egypt