• DMOJ
  • Home
  • Problems
  • Submissions
  • Users
  • Contests
  • About
    >
    • Status
    • Tips
    • API
    • Github
Log in  or  Sign up

  • Blog
  • Events

News

Another Random Contest 1

HenryYi, andy_zhu23 posted on June 27, 2022, 11:08 p.m. 0
ARC Banner

Hello everyone!

To keep everyone's summer break busy, here comes Another Random Contest!

This contest will be unrated.

The contest will run from Wednesday, June 29th to Saturday, July 2nd. Participants will have a 3-hour window to complete 6 problems.

For more details, please see the contest page.

Good luck and have fun!

DMOPC '21 June Contest

zhouzixiang2004, Riolku, 4fecta posted on June 22, 2022, 7:57 p.m. 0

We hope you enjoyed the last contest of the DMOPC 2021-2022 season! As usual, special congrats to the top 5 contestants:

  1. Gennady (perfect score!)
  2. ecnerwal (perfect score!)
  3. ksun48
  4. noimi
  5. xiaowuc1

See you in September!


We made it! We are excited to announce that the 10th and final DMOPC of the school year will be held this coming weekend!

The contest will run from Friday, June 24th to Monday, June 27th (inclusive of both days).

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 00:00:00 EDT of June 24th and 00:00:00 EDT of June 28th.

Please see the contest page for more details.

Good luck!!

Bloor CI Programming Contest 1

squishybanana04, BalintR posted on June 17, 2022, 4:49 a.m. 0
BPC Banner

Hello everyone!

We will be hosting the first-ever Bloor C.I. Programming Contest from Saturday, June 18th to Tuesday, June 21st. The contest will have a junior and a senior division.

The junior contest will be unrated and the senior contest will be rated for all participants.

You can find more details at the contest page for the junior contest and the contest page for the senior contest.

Good luck and have fun!

Cheerio Contest 1

EdwinSun, InkJoy, LeviDanjio, rickyqin005, ShawnChen4 posted on June 6, 2022, 2:13 a.m. 0

Hello fellow programmers!

On Thursday, June 9th, from 3:30 pm to 12:00 am (Eastern Daylight Time), we'll be hosting the first-ever Cheerio Contest! The contest will be split into a junior division (for those new to programming) and a senior division (for experienced programmers). Both divisions will be unrated.

The junior contest page can be found here.

The senior contest page can be found here.

We hope to see you soon!

Richmond Hill High School CS Club

 ________________________________________
< Hi there! MOOre contest for you folks! >
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Yet Another Contest 3

Josh, Nils_Emmenegger, RandomLB posted on May 22, 2022, 3:35 a.m. 1

YAC Banner

Hi everyone!

It's yet another time for yet another Yet Another Contest!

The contest will run from Friday, May 27th to Monday, May 30th. Participants will have a 3-hour window to complete 5 problems.

Note that the contest is not rated for users with at least 2600 rating.

For more details, please see the contest page.

Good luck and have fun!

Spring Coding Bowl 2022

ArtyKing12, qwertytown4life, moayyadshahid1, Dwin2020, shayaf84 posted on May 21, 2022, 2:52 a.m. 1

Hi everyone,

We are proud to present the third annual Spring Coding Bowl, a 3-hour, 5-problem competition open to all high school students. The contest will run from 12:00am on Saturday, May 28 to 11:59pm on Wednesday, June 1 (Eastern Daylight Time).

To register, please follow the instructions on our official contest webpage. The contest will be hosted here on DMOJ, and you will have to submit your personal information when joining this organization. Please ensure that you register before 6:00pm May 27.

An official honour roll will be published on the contest page, the top scorers will be named as "Coders of the Year", and schools will be ranked by the sum of the three highest scores from each school. As such, please be sure to tell other students in your school to participate (perhaps get your school's coding club involved)!

If you would like to prepare, you can try to solve last year's problems here on DMOJ.

Good luck to all participants!

UCC Coding and Algorithms Academy.

SAC Code Challenge 5 2022

maxcruickshanks posted on May 18, 2022, 10:27 p.m. 0

Thanks for participating in the final SAC Code Challenge!

The top 5 contestants from the main contest that win Discord Nitro are

  1. ecnerwal
  2. xiaowuc1 (the third time they have placed in the top 5 for this series!)
  3. y0105w49 (the second time they have placed in the top 5 for this series!)
  4. ksun48
  5. TechnobladeNeverDies (the second time they placed in the top 5 for this series!)

The top 5 contestants from the junior contest are

  1. xiaowuc1 (the third time they have placed in the top 5 for this series!)
  2. BalintR (the second time they have placed in the top 5 for this series!)
  3. mangoqwq
  4. ecnerwal
  5. ksun48

Thank you for a great year! Be well.


Hi, everyone again (once more again for a second time for a final time)!

On Friday, May 20th, 2022, we'll be running the fifth and final SAC Code Challenge for this year!

The top 5 competitors in the main contest will receive 1 month of Discord Nitro or 2 months of Discord Nitro Classic.

To redeem your prize after the contest, please join the DMOJ Discord and verify your account belongs to you; then, direct message maxcruickshanks.

You can write both contests since there is no overlap in problems.

For both of these contests, you can write them in any two-hour window between May 20th, 00:00 EDT, and May 23rd, 00:00 EDT.

You can find more details about the junior contest on its contest page and the main contest on its contest page.

We hope to see you soon!
SAC Code Culture.

DMOPC '21 May Contest

zhouzixiang2004, Riolku, 4fecta posted on May 9, 2022, 6:10 p.m. 0

We hope the problems were interesting this time around too! As usual, special congrats to the top 5 contestants:

  1. Gennady (perfect score!)
  2. ecnerwal
  3. hitonanode
  4. d
  5. ksun48

Get excited for the last DMOPC of the season coming next month!


Hello again (for the 9th time)!

The contest will run from Friday, May 13th to Monday, May 16th (inclusive of both days).

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 00:00:00 EDT of May 13th and 00:00:00 EDT of May 17th.

Please see the contest page for more details.

GLHF :)

DMOPC '21 April Contest

zhouzixiang2004, Riolku, 4fecta posted on April 21, 2022, 4:15 a.m. 0

That was an intense set of problems! Special congrats to the top 5 contestants:

  1. Gennady
  2. ksun48
  3. wygzgyw
  4. hitonanode
  5. Mr_Eight

See you again in May...


DMOPC is coming up again!

The contest will run from Friday, April 22nd to Monday, April 25th (inclusive of both days).

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 00:00:00 EDT of April 22nd and 00:00:00 EDT of April 26th.

Please see the contest page for more details.

Good luck and have fun!

Modern Assessment on Logic and Deduction 1

dawangk, Lost posted on April 12, 2022, 11:23 p.m. 0


Hi everyone!

From Friday, April 15th, to Monday, April 18th, we will be hosting the first-ever MALD contest!

Participants will have a 3-hour window to complete 6 problems.

Note that this contest is unrated.

For more details, please see the contest page.

Good luck and have fun malding!

  • «
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • ...
  • 23
  • 24
  • »

Ongoing contests

2023 Canadian Computing Olympiad - Day 1 Mirror
Ends in 11 days 02:24:25.
2023 Canadian Computing Olympiad - Day 2 Mirror
Ends in 11 days 02:24:25.

Comment stream Discord

  • Xyene → CCC '00 S1 - Slot Machines
  • lilfrankster101 → CCC '00 S1 - Slot Machines
  • Nyuu → Hello, World!
  • lilfrankster101 → COCI '18 Contest 4 #1 Elder
  • Xyene → A Times B
  • Nyuu → A Times B
  • maxcruickshanks → PIB '20 P6 - Rotational Top Trees
  • maxcruickshanks → Waterloo 2017 Winter B - Vera and LCS
  • spheniscine → CCC '00 S1 - Slot Machines
  • Josh → Max's Anger Contest Series 2
RSS / Atom

New problems

  • CCO '23 P1 - Binaria
  • CCO '23 P2 - Real Mountains
  • CCO '23 P3 - Line Town
  • CCO '23 P4 - Flip it and Stick it
  • CCO '23 P5 - Travelling Trader
  • CCO '23 P6 - Triangle Collection
  • Waterloo 2016 Fall D - Treasure Hunt
RSS / Atom

fork us on Github | like us on Facebook | help us translate | terms of service |