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Contest Dates for CUMCM

In each year, the contest will last for about 72 hours, starting at 6:00PM on a Thursday in September (Beijing Time), and ending at 8:00PM on Sunday (Beijing Time). (That is, the first two hours from 6:00PM to 8:00PM for downloading the contest problems are not included in the 72-hour contest time). Before the contest deadline, the participants should upload their solution packages . The details of the contest dates will be announced at the homepage of this website.  


The registration process for teams from outside the Chinese Mainland, Hong Kong SAR, and Macao SAR is as follows:

(1) Download the registration form and fill in the registration information. Registration form download address(http://en.mcm.edu.cn/html_en/node/c2276b547ec45e5dc4d7a9c1143678d3.html.).

(2) Send the registration form to contest@csiam.org.cn. The registration will be successful after receiving the email reply with the team number.


a. Please register by email before the deadline specified on this website (usually two days before the start of the competition) (Only applicable to participants from outside the Chinese Mainland, Hong Kong SAR, and Macao SAR).

b. A team consists of up to three undergraduate students supervised by up to one advisor (optional). All team members must be from the same institution.

c. Please fill in your valid email address, which will be used to receive your electronic participation certificate after the contest.

d. At any time before the registration deadline, you can update your team's registration information according to the same registration process. Please Indicate "team number + registration update" in the email title. The update succeeds after receiving an email reply.

Download contest questions

Please download the contest problems from this website after the contest starts.Please be patient when downloading the contest problems, as the website server is usually heavily loaded at the beginning of the contest. We recommend that you wait about 30 minutes to download the problems. If you are still unable to connect to the website to download the problems after 60 minutes, please email the issue to contest@csiam.org.cn. Then, we will send you the contest problems via email.

The Submission Procedures

Please download the contest problems from this website after the contest starts, then solve a problem in your registration category (contest type), and finally submit your solution package to contest@csiam.org.cn before the end of the contest. The email title should indicate “team number + contest question number”. Upon successful submission, you will receive an email confirmation.

Please send your solution package as a single file. (You can use tools such as ZIP or RAR to compress multiple files into a single file for attaching.) Each team can submit only one solution package for only one contest problem.

At any time before the contest deadline, you can update your solution package according to the same submission process. Please indicate “team number + solution package update” in the email title, and the previous version will be replaced by the new version..

For more information, please refer to the "Contest" menu for FAQ (Frequently Asked Questions).


If you have any questions concerning the contest or registration process, please contact:

Huayu Lv

CSIAM Office, Dept. of Mathematical Sciences,

Tsinghua University, Beijing 100084, China

Email: contest@csiam.org.cn

Tel: +86 10 6278 1785

Hope the information is useful to you and welcome the undergraduates all over the world to participate in CUMCM. Enjoy!

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