Retrospective of 2024 MCM/ICM

A short retrospective of 2024 MCM/ICM

Preparation

Even though we had planned to participate a month in advance, we didn’t start preparing until the week before the topic was released, and in some cases, even just one day before. So I think we were essentially going into the competition “blind” or unprepared. I want to outline our degree of preparation in three parts:

  • Model: few commonly used models
  • Write: basic frame
  • Program: some code frame of commonly used models (most learning models), haven’t tested

Process of competition

I was the writer in our team.

Day 1

Morning: Started reviewing the questions two hours after the problem statement was released and spent approximately one hour on it. Since historically the C question in previous competitions could often be addressed using deep learning models, and our programmer had a good understanding of deep learning, we focused our attention on reading the details of the C question (and choose it finally).

Afternoon: Discussed some critical terms. Tried to understand tennis rules. Programmer started coding. Writer did nothing.

Night: Programmer “addressed” the problem 1 and 2 with 70% accuracy . (Sadly it was “wrong”, and we did not find that until the day 3)

I felt I was playing the role of modeling. We thought MCM was just so-so. (As it turned out, we underestimated it) Went back to sleep early.

Day 2

Morning: Writer and Modeler tried to find some related article.

Afternoon: Wrote some not important part of our essay.

Night: Used some tricks (it was wrong too) that improve the accuracy to 90%.

Felt happy.

Day 3

Morning: We found we seemed used a wrong method.

Afternoon: We chose to solve these problems using a method with 60% accuracy.

Night: Drew some pictures, wrote our solution of problem 2 and first part of problem 3.

Felt anxious and nervous.

Day 4

Morning: Drew some pictures, wrote our solution of problem 3.

Afternoon: Tried to improve our accuracy but failed. Wrote our solution problem 5.

Night: Continued writing solution of problem 5.

Late Night to early morning: Wrote the other problems, integrated them together.

Extensively utilized LLM (e.g. ChatGPT) for assistance in writing and translation. We ultimately submitted our paper two hours before the deadline.

Analysis

Team

  • Advantage:
    • quick and simple communication due to our team members were gathered together
    • programmer have the knowledge of machine learning
    • modeler is an even-tempered person
    • writer can use LaTeX
    • others
  • Disadvantage:
    • everyone is contributing ideas, but there was no single independent authority directing decisions.
    • have no experiences of this kind of competition
    • time arrangement

Myself

  • Advantage:
    • LaTeX
    • English reading
    • other
  • Disadvantage:
    • always put huge pressure on team members
    • have no experience and related knowledge
    • English writing and translation
    • other

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