The DMOJ is a modern contest platform and archive of programming problems. It's also entirely open source.
So far, 25539 developers have submitted to 1981 problems a total of 1257962 times, using 67 languages.
If this is your first visit, please register an account. Then, try the Hello, World! problem.
As the academic year comes to an end, we'll be holding our final DMOPC in the form of the Don Mills Programming Gala.
This event will take place at Don Mills C.I. on Thursday, April 25th.
The contest will be split into three divisions of increasing difficulty, with prizes awarded to the top competitors. For interested competitors unable to attend the on-site event, we will also be hosting mirrors of the divisions, open for anyone to participate in.
Space is limited, so sign up soon! More details and registration options may be found here. You can find the results of last year's DMPG here.
On Sunday, February 17th and Monday, February 18th, we'll be hosting the February DMOJ Monthly Open Programming Contest!
Anyone with a DMOJ account is welcome to participate, and anyone without one is welcome to register and participate.
Contestants may participate in any 3-hour window between 9:00 am EST of Feb. 17th and 9:00 pm EST of Feb. 18th. Please see the contest page for more details.
See you soon!
We welcome you to this year's Valentine's Day Contest! Because the CCC is coming up, the Valentine's Day Contest will be in CCC format, with two divisions, each with five problems each to solve in 3 hours, with a maximum of 50 submissions per problem. The window will open at 9AM EST on the 14th and will run until 9PM on the 16th.
We'll be running both junior and senior divisions. Please see the respective contest pages for more details.
Problem setters for this contest are , , , , , and .
The Canadian Computing Competition is in just over a month! Once again, a mock CCC has been prepared for individuals wishing to get additional practice for the CCC.
The first mock CCC this year will run during the weekend of January 19th. The junior and senior divisions do not share any problems, so you can participate in both if you want additional practice! Although we announced beforehand that the senior contest would be rated, it will no longer be rated.
We expect all contestants to write the mock CCC under real CCC conditions. Please read the rules on the contest page to ensure that you are in compliance. In particular, we would like to remind all contestants that you may not use any pre-written code.
Good luck to everyone writing the CCC!
Thanks for participating in the New Year's 2019 Contest!
The winners are:
We hoped you enjoyed the contest!
We hope everyone's been enjoying their winter break because it's about to get better!
On January 4, we will be hosting DMOJ's own New Year's 2019 contest. Please see the contest page for details.
Anyone with a DMOJ account is welcome to participate, and anyone without one is welcome to register and participate.
See you soon, good luck, and Happy Holidays from all of the DMOJ crew!
Thanks for participating in the second LKP Programming Contest!
The winners are:
We hope you enjoyed the contest!
On Friday, December 28th, we'll be hosting the second LKP Programming Contest!
Anyone with a DMOJ account is welcome to participate, and anyone without one is welcome to register and participate.
Contestants may participate in any 3-hour window between 12:00 EST of Dec. 28th and 12:00 EST of Dec. 31th. Please see the contest page for more details.
See you soon!
Thanks for participating in the DMOPC '18 December contest!
The winners are:
Editorials for each of the problems have been uploaded to the respective problem pages.
We hope you enjoyed the contest, and see you next month!
On Tuesday, December 11th, we'll be hosting the December DMOJ Monthly Open Programming Contest!
Anyone with a DMOJ account is welcome to participate, and anyone without one is welcome to register and participate.
Contestants may participate in any 3-hour window between noon EST of Dec. 11th and noon EST of Dec. 12th. Please see the contest page for more details.
See you soon!
Congratulations to the winners of the first GlobeX Cup!
The winners of the junior division of GlobeX Cup '18 are:
The winners of the senior division of GlobeX Cup '18 are:
Once again, congratulations to the winners this year. An email has been sent regarding your awards.
Editorials to problem statements will be posted within the next two months.
We hope that you enjoyed the contest and hope to see you again next year!
We're excited to invite you to participate in the GlobeX Cup!
The contest will take place on December 15-16 for a 24-hour window. Once you enter the contest, you will have 3 hours to solve the designated problem statements. It will be split into two divisions of increasing difficulty, with more than $1000 in prizes awarded to the top competitors.
There are two different divisions featuring problem difficulties from elementary to advanced. To determine which division suits you the best, try the junior sample and the senior sample.
Please fill out this form in order to register for the contest and be eligible for prizes.
For any inquiries, please email [email protected] or message our Instagram page GlobeXCup.
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We're excited to invite you to Another Contest 3, the third contest in the Another Contest series!
After seeing the second contest be run, we're adding a fourth problem to the contest and shifting the difficulty curve to be more friendly for less experienced participants. You can see the full parameters of the contest on the contest page.
Good luck to all participants!
Thanks for participating in the first LKP Programming Contest!
The winners are:
We hope you enjoyed the contest!
On Saturday, November 17th, we'll be hosting the first LKP Programming Contest!
Anyone with a DMOJ account is welcome to participate, and anyone without one is welcome to register and participate.
Contestants may participate in any 3-hour window between 16:00 EST of Nov. 17th and 16:00 EST of Nov. 19th. Please see the contest page for more details.
See you soon!
