Hello, Codeforces!

We are happy to invite you to TheForces Round #12 (Double-Forces), which will take place on Apr/28/2023 18:10 (Moscow time)

Editorial is out.

You will have 150 minutes to solve 6 problems.Two of the problems are divided into two subtasks respectively.

We strongly recommend you to read all statements.

• All problems were prepared and authored by wuhudsm.

• We would like to thank our army of testers: Little_Sheep_Yawn, blxst, O--O, BallBreaker, ExpensiveAC, vikram108, EndlessDreams.

• Also we want to thank you for participating in our round.

Note the duration is 2.5h and strongly recommend reading all problems once.

Discord Server (600+ people)

Contests' archive

Hello, Codeforces!

We are happy to invite you to TheForces Round #11 (DIV2.5-Forces), which will take place on Apr/16/2023 18:05 (Moscow time)

Registration is open now.

You will have 150 minutes to solve 6 problems.

• Problems were prepared and authored by wuhudsm.

• We would like to thank our army of testers: Little_Sheep_Yawn, merlin_, O--O, k1r1t0, blxst, Alphx, BallBreaker, ExpensiveAC, vikram108, sktime, _Prince

• Also we want to thank you for participating in our round.

Note the duration is 2.5h and strongly recommend reading all problems once.

Discord Server (600+ people)

Contests' archive

Editorial is out.

Hello, Codeforces!!

We are happy to invite you to TheForces Round #10 (TEN-Forces), which will take place on Apr/10/2023 18:05 (Moscow time)

Please don't forget the time.

You will have 2 hours to solve 6 problems.

• Problems were prepared and authored by O--O.

• We would like to thank our army of testers: Little_Sheep_Yawn, wuhudsm, E1e3, Sevawy, E404_Not_Found.

• Huge thanks to Amir_Parsa for giving the opportunity to share the contest in gym.

• Also we want to thank you for participating in our round.

Registration is open now.

Discord Server (600+ people)

Contests' archive

Hello, Codeforces!!

We are happy to invite you to TheForces Round #9 (Fool-Forces), which will take place on 30.03.2023 18:05 (Московское время)

Please don't forget the time. Contest starts soon...

This competition is similar to April Fool's Day Contests, As there's an official round on April 1st this year, We decided to hold our round sooner.

You will have 2 hours to solve 8 problems.

• Problems were prepared and authored by Amir_Parsa and E404_Not_Found.

• Would like to thank our testers: Little_Sheep_Yawn, wuhudsm, O--O, BF_OF_Priety, ExpensiveAC, _Prince.

• Also we want to thank you for participating in our round.

P.S : The problems are not sorted by difficulty, So please do read all the problems, Also the round will be available in gym for everyone after the contest end!

List of the top places :

1. Joshc The only one who AKed the round! orz.

2. BurnedChicken

3. aryan12

4. Sofapuden

5. liupengsay

"Stay hungry! Stay foolish!" Steve Jobs.

Discord Group (500+ people)

Contests' archive

Hello, Codeforces!

We are happy to invite you to TheForces Round #8 (ICPC-Forces), which will take place on [contest_time:433200]

As it's an Indian ICPC week we tried to prepare one good team-based contest which can help you for ICPC preliminary round.

You will have 3 hours to solve 11 problems. The problems are not sorted by difficulty.

• Problems were prepared by Psychotic_D and dbtalaviya.

• Would like to thank our testers: merlin_, Little_Sheep_Yawn, Khonshu08, JUBHAI, _Prince, EndlessDreams

• Also we want to thank you for participating in our round. You also can participate as a team.

The top places will be published after the contest.

Discord Group (500+ people)

Contests' archive

Did you like the contest?

UPD: Rejudged every submission.

UPD: TOP PERFORMERS ---

Hello, Codeforces!!

We are happy to invite you to TheForces Round #7 (ClassicForces), which will take place on [contest_time:430673]

You will have 2 hours to solve 6 problems

• Problems were prepared by merlin_

• Would like to thank our testers: Psychotic_D , blitztage , Newtech66 , O--O

• Also we want to thank you for participating in our round

Discord Group

Contests' archive

Hello, Codeforces!

We are happy to invite you to TheForces Round #6 (NewForces), which will take place on [contest_time:428154]

You will have 2 hours to solve 6 problems

• Problems were prepared by O--O, and E404_Not_Found

• Would like to thank our testers: merlin_ , tolbi, sreesh_56 , k1r1t0, aayush_chhabra, nolimiya.

• Also we want to thank you for participating in our round

Thanks for participating.

Winners:

1. Little_Sheep_Yawn

2. siganai

3. nifeshe

4. Svyat

5. wuhudsm

Discord Group

Contests' archive

We invite you to our discord server. (500+ people)

Discussion of problems after the rounds , help to each other and so on...

We also create our rounds, you can see here .

Hello, Codeforces!!!

Here's the invitation link of our discord server for contest discussion and announcements.

We are happy to invite you to TheForces Round #5 (PerfectForces), which will take place on [contest_time:425963]

You will have 2 hours to solve 7 problems

• Problems were prepared by Amir_Parsa, O--O, and E404_Not_Found
• Would like to thank our testers: merlin_, Psychotic_D, k1r1t0, psychobot, and iliya_mon
• Also we want to thank you for participating in our round

Thanks for participating.

Winners are:

1. AndreyPavlov
2. IzhtskiyTimofey
3. siganai
4. tyr0Whiz
5. DrearyJoke
6. Svyat

Editorial

Solutions are opened.

Here is a group archive of our previous contests

Привет, Codeforces!

Мы рады пригласить вас поучаствовать в нашем раунде TheForces Round #4 (EZForces), который пройдёт во [contest_time:422264]!

Пожалуйста, не забудьте время!!!

Вам будет дано 7 задач и 2 часа на их решение

Наша команда состоит из 4 человек: E404_Not_Found, k1r1t0, psychobot, O--O

• Задачи были подготовлены O--O и E404_Not_Found
• Кроме того, спасибо k1r1t0, chromate00, Psychotic_D за тестирование раунда
• Снова спасисбо k1r1t0 за помощь в исправлении условия задачи D
• psychobot не было в нашем чате, мы надеемся все хорошо...

Мы уверены что вам понравится раунд!

Поздравляем победителей!!!

1. BurnedChicken
2. RDDCCD
3. oversolver
4. wuhudsm
5. Svyat

Разбор

Hello, Codeforces.

Contest: SpeedForces

Time: [contest_time:418314]

Writer: O--O

Tester: JOIN_GROUP, E404_Not_Found, psychobot

You will have 8 problems in 120 minutes.

Problems are very interesting and problem statements are short.

Problem C and D had little mistakes in statement.

Problem F had mistake in sample.

Winners

1. Kirill22

2. Svyat

3. huangxiaohua

4. Kniaz

5. wery0

6. bitset

Did you like the contest?

Solutions are opened.

Hello, Codeforces!

I am the writer of the problems.

This blog is invitation to SpecialForces

Previous contest: Mathforces

You will have 5 problems in 120 minutes.

Please register and join the contest.

I bet you will like the contest.

Best of luck for everyone!