We hope this was good practice for the CCC! Special congrats to the top 5 contestants:

1. Gennady (perfect score!)
2. bruce (perfect score!)
3. ecnerwal (perfect score!)
4. wakaka (perfect score!)
5. ksun48 (perfect score!)

See you next month!

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The Canadian Computing Competition (CCC) is fast approaching! To prepare aspiring competitors one last time, we decided to make DMOPC this month CCC-themed!

The contest will run from Friday, Febrary 11th to Monday, February 14th (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 EST of Febrary 11th and 00:00:00 EST of February 15th. Please see the contest page for more details.

As always, good luck and do your best!

Thanks for participating!

The top 5 contestants from the main contest are

1. xiaowuc1 (the second time they have placed in the top 5!)
2. Josh
3. skittles1412 (the third time they have placed in the top 5!)
4. kevinyang (the second time they have placed in the top 5!)
5. andrewtam

The top 5 contestants from the junior contest are

1. xiaowuc1
2. Josh
3. NK
4. skittles1412
5. PunnyBunny

We hope to see you again in March!

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Hi, everyone again (for a second time)!

On Friday, February 11th, 2022, we'll be running the third SAC Code Challenge for this year!

Additionally, a SAC Code Challenge Junior was created due to popular demand!

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 February 11th, 00:00 EST, and February 14th, 00:00 EST.

The junior contest will have 5 problems with problem difficulty ranging from CCC Junior 1 to CCC Junior 5.

The main contest will have 5 problems with problem difficulty ranging from CCC Junior 1 to CCC Senior 4.

Like the most recent Code Challenges, there will be no registration requirements to participate.

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.

Hi everyone!

From Saturday, January 22nd to Monday, January 24th, we'll be hosting An Animal Contest 5. Participants will have a 3-hour window to complete 6 problems centered around pandas! See the contest page for more details.

Note that AAC5 is not rated for users with at least 2400 rating.

We hope you enjoy the problems and have fun!

See you soon!

We hope you enjoyed the contest! Special congrats to the top 5 contestants:

1. Gennady (perfect score!)
2. ecnerwal
3. hitonanode
4. wygzgyw
5. TechnobladeNeverDies

We'll see you next month!

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New year, new DMOPC! Start the year off with (what could be) a brand new colour!

The contest will run from Friday, January 14th to Monday, January 17th (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 EST of January 14th and 00:00:00 EST of January 18th. Please see the contest page for more details.

As always, good luck and do your best!

Hi, everyone!

At last, the senior contest is here!

From Monday, December 27th to Wednesday, December 29th we'll be hosting the Bayview Secondary School 2021 Senior Programming Contest!

Participants will have a 3-hour window to complete 5 problems. See the contest page for more details.

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

Note: This contest overlaps with AAC. As AAC finishes before BSSPC, it will be rated first. This means that your rating after AAC is rated will determine your eligibility to be rated in BSSPC. If you have concerns or questions, please ask.

We hope you enjoy the problems and have fun!

Hi everyone!

From Friday, December 24th to Monday, December 27th, we'll be hosting An Animal Contest 4. Participants will have a 3-hour window to complete 6 problems centered around christmas! See the contest page for more details.

Note that AAC4 is not rated for users with at least 2400 rating.

We hope you enjoy the problems and have fun!

See you soon!

Thanks for participating in the DMOPC this month! Congrats again to the top 5 contestants:

1. ecnerwal
2. ksun48
3. cool_serena
4. tabr
5. Egor

Happy holidays, and see you next year!

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We're back! We know everyone is exhausted during this final stretch before the holidays, so we prepared another contest to cheer you up!

The contest will run from Friday, December 17th to Monday, December 20th (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 EST of December 17th and 00:00:00 EST of December 21st. Please see the contest page for more details.

GLHF!! <3

Welcome to the WOSS Dual Olympiad 2021: Computer Science Individual Round!

The Junior Contest will have a difficulty range from CCC Junior 1 to CCC Junior 4

The Senior Contest will have a difficulty range from CCC Senior 1 to CCC Senior 3

The contest will be from December 14, 2021, 3:00 PM EST to December 20, 2021, 11:59 PM EST

The contest is hosted by WOSS Mathematics Club and WOSS Computer Science Club.

Executives

• Tianyue Ruby Sun: TRS
• Pranav Vyas: bobthesnek63
• Jake Shin: jakeshin2004
• Manasva Katyal: SuperMK
• George Fan: Wozunubi
• Julia Xu
• Jacob Yan: Codester
• Oliver Mao
• Leo Bai

A special thank you to Riolku and maxcruickshanks for their help with contest organization and problem testing!

Thanks for participating!

The top 5 contestants are

1. xiaowuc1
2. SourSpinach (the second time they have placed in the top 5!)
3. skittles1412 (the second time they have placed in the top 5!)
4. goffrie
5. kevinyang

We hope to see you again in February!

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Hi, everyone again!

On Friday, December 17th, 2021, we'll be running the second SAC Code Challenge for this year!

You can write this year's contest in any two-hour window between December 17th, 00:00 EST, until December 21st, 00:00 EST. The contest will be composed of 5 problems with problem difficulty ranging from CCC Junior 1 to CCC Senior 3.

Additionally, the problems will be themed around Christmas.

Like the most recent Code Challenge, there will be no registration requirements to participate.

You can find more details on the contest page.

We hope to see you soon!
SAC Code Culture.

DMOJ is hosting an unofficial mirror of the NOIP '21 — the Chinese National Olympiad in Informatics Provincial Round (NOIP, approximately equivalent to CCC Stage 1).

The contest can be found here.

There are 4 problems, each worth 100 points, and the contest window is 3 hours long.

This contest will not be rated.