The ability to read someone else's solution and find bugs is useful in CF rounds, and not only.

I invite you to the contest, which will take place on May 12, 2024 at 14:35UTC and where you need to hack specially selected solutions to problems.

Contest info:

• Number of tasks: 8

• Duration: 2 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Prizes:

• First place – 20$ (TON Wallet)

• Second place – 15$

• Third place – 10$

Link to the platform: https://kep.uz/competitions/contests/

Link to previous contest: Hack it #6

P.S. Registration via Gmail/Github only. The submit button is in the right bottom corner.

KEP Contest

I invite everyone to the contest, which will take place on May 5, 2024 at 14:35UTC. Interesting problems await you in the contest.

Contest info:

• Number of problems: 10-12

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Prizes:

• First place – 30$ (TON Wallet)

• Second place – 20$

• Third place – 10$

Link to the platform: https://kep.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

UPD

Thank you for participating.

It turns out that not all solutions for C were rechecked. After rechecking, ImuriAtsuki moved up to second place.

Results:

1. physics (physics0523) — 12
2. ImuriAtsuki (Savior-of-Cross) — 12
3. shogo314 (shogo314) — 12
4. hocln(hocln) — 12
5. racsosabe (racsosabe) — 12
6. mardonbekhazratov (MardonbekHazratov) — 11
7. alexwice(alexwice) — 10

#include "bits/stdc++.h"
using namespace std;

int main() {
    string s;
    getline(cin, s);

    size_t pos;
    string s1, s2, s3, s4;
    s1 += char(40);
    s1 += char(41);

    s2 += char(123);
    s2 += char(125);

    s3 += char(60);
    s3 += char(62);

    s4 += char(91);
    s4 += char(93);

    for (int i = 0; i != 4000; ++i)
        if ((pos = s.find(s1)) != string::npos) 
            s.erase(pos, 2);
        else if ((pos = s.find(s2)) != string::npos) 
            s.erase(pos, 2);
        else if ((pos = s.find(s3)) != string::npos) 
            s.erase(pos, 2);
        else if ((pos = s.find(s4)) != string::npos) 
            s.erase(pos, 2);

    if (s.empty()) 
        puts("Yes");
    else 
        puts("No");
}

KEP Contest

I invite everyone to the contest, which will take place on March 24, 2024 at 14:35UTC. Interesting problems await you in the contest.

Contest info:

• Number of problems: 13

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Prizes:

• First place – 6 TON

• Second place – 4 TON

• Third place – 2 TON

Link to the platform: https://kep.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

UPD. Winners:

1. physics (physics0523, 6 TON)

2. The_Samurai (Sunnatov, 4 TON)

3. shogo314 (shogo314, 2 TON)

4. Husanboy (Husanboy, 1 TON)

5. mardonbekhazratov (MardonbekHazratov, 1 TON)

6. Best young participant — Legolas (Idler_Pro, 1 TON)

7. Best girl participant — Aisha.m (Oysha Mirzatillayeva, 1 TON)

KEP Contest

I invite everyone to the contest, which will take place on February 25, 2024 at 14:35UTC

Prizes:

• First place – 8 TON

• Second place – 6 TON

• Third place – 4 TON

Contest info:

• Number of problems: 10-12

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://kep.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

UPD. Winners

1. drdilyor — 11
2. Husanboy — 10
3. arknave — 10
4. gultai4ukr — 10
5. MardonbekHazratov — 10

Code Golf | Contest

I invite everyone to the contest, which will take place on February 10, 2024 at 15:00UTC

Code golf is a type of recreational programming competition in which participants try to write the shortest source code that implements some algorithm.

There are two languages available in this contest: C++ and Python. Each problem has a points. You will get 100% points for the problem if you solve the problem using no more than x characters (including spaces), where x is given separately for each language.

Contest rules:

• You must implement the shortest solution for the problems.

• The shorter the length of the solutions, the more points you get for the problem

• Number of problems: 7-8

• Duration: 2 hours

• Languages: C++, Python.

Link to the platform: https://kep.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

KEP Contest

I invite everyone to the contest, which will take place on February 4, 2024 at 14:35UTC

Contest info:

• Number of problems: 10-12

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://kep.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

UPD. Contest name has changed

KEP Contest

I invite everyone to the contest, which will take place on December 29, 2023 at 15:00UTC

Prizes:

• For 1st place $40

• For 2nd place $20

Contest info:

• Number of problems: 10-13

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://kep.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

Code Golf | Contest

I invite everyone to the contest, which will take place on December 10, 2023 at 14:35UTC

Code golf is a type of recreational programming competition in which participants try to write the shortest source code that implements some algorithm.

There are two languages available in this contest: C++ and Python. Each problem has a points. You will get 100% points for the problem if you solve the problem using no more than x characters (including spaces), where x is given separately for each language.

Contest rules:

• You must implement the shortest solution for the problems.

• The shorter the length of the solutions, the more points you get for the problem

• Number of problems: 8

• Duration: 3 hours

• Languages: C++, Python.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

CPython Programming Contest #3

I invite everyone to the contest, which will take place on December 7, 2023 at 14:35UTC

Contest info:

• Number of problems: 10-12

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

I invite you to the Programming Arena, which will take place on December 02, 2023 at 15:00UTC

Arena – this is a competitive tournament among users, where users compete against each other in their computer science knowledge. Players gather in one arena. Pairs are determined by lot. Players score points during the tournament, and the player with the most points at the end of the tournament wins.

About Arena

About Challenges

In short, Programming Arena = Sololearn Challenges + Lichess Arena

This is a great way to pass the time.

Arena info:

• Arena duration: 90 minutes

• Number of questions per challenge: 6

• Duration per question: 40 seconds

• Chapters: Algorithms & DS

Join: https://cpython.uz/competitions/arena

P.S. Registration via Gmail/Github only.

CPython Intermediate Contest #15

I invite everyone to the contest, which will take place on November 18, 2023 at 14:35UTC

Contest info:

• Number of problems: 10-12

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github

The ability to read someone else's solution and find mistakes is useful in CF rounds, and not only.

I invite you to the contest, which will take place on November 12, 2023 at 15:00UTC and where you need to hack specially selected solutions to problems.

Contest info:

• Number of tasks: 8

• Duration: 2 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

Link to previous contest: Hack it

P.S. Registration via Gmail/Github only. The submit button is in the right bottom corner.

CPython Programming Contest #2

I invite everyone to the contest, which will take place on November 5, 2023 at 14:30UTC

Contest info:

• Number of problems: 12

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github.

One liner & Code Golf | Contest

I invite everyone to the contest, which will take place on October 19, 2023 at 15:00UTC

Contest Rules:

In this contest, you need to write one-line solutions for problems.

The solution is scored by the length of the code (Code Golf). No penalties.

Only Python.

Contest info:

• Number of problems: 8

• Duration: 3 hours

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

UPD. Standings

1. drdilyor — 739

2. dingledooper — 672

3. shashanksbhatt — 586

4. xhu — 561

5. hjroh0315 — 406

6. SachaHall — 396

7. owo2602 — 355

CPython Beginner Contest #37

I invite everyone to the contest, which will take place on October 17, 2023 at 14:35UTC

Contest info:

• Number of problems: 12-14

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

CPython Beginner Contest #36

I invite everyone to the contest, which will take place on September 28, 2023 at 14:35UTC

Contest info:

• Number of problems: 12-14

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

CPython Programming Contest

I invite everyone to the contest, which will take place on September 17, 2023 at 14:35UTC

Contest info:

• Number of problems: 12-14

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Mini Prizes:

1. 50$ + 100 kepcoins
2. 20$ + 50
3. 10$ + 25

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

CPython Beginner Contest #34

I invite everyone to the contest, which will take place on September 4, 2023 at 14:35UTC

Contest info:

• Number of problems: 12-14

• Difficulty of problems: < 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

CPython Beginner Contest #33

I invite everyone to the contest, which will take place on August 25, 2023 at 14:35UTC

Contest info:

• Number of problems: 10-12

• Difficulty of problems: < 2400

• Duration: 3 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

CPython Intermediate Contest #13

I invite everyone to the contest, which will take place on August 13, 2023 at 14:35UTC

Contest info:

• Number of problems: 10-12

• Difficulty of problems: <= 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java, Rust.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

I invite you to the Programming Arena, which will take place on August 10, 2023 at 14:35UTC

Arena – this is a competitive tournament among users, where users compete against each other in their computer science knowledge. Players gather in one arena. Pairs are determined by lot. Players score points during the tournament, and the player with the most points at the end of the tournament wins.

About Arena

About Challenges

In short, Programming Arena = Sololearn Challenges + Lichess Arena

This is a great way to pass the time.

Arena info:

• Arena duration: 90 minutes

• Number of questions per challenge: 6

• Duration per question: 30 seconds

• Languages: C++, Python

Join: https://cpython.uz/competitions/arena

P.S. Registration via Gmail/Github only.

The ability to read someone else's solution and find mistakes is useful in CF rounds, and not only.

I invite you to the contest, which will take place on August 4, 2023 at 14:35UTC and where you need to hack specially selected solutions to problems.

Contest info:

• Number of tasks: 10

• Duration: 3 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java.

Link to the platform: https://cpython.uz/competitions/contests/

Link to previous contest: Hack it

P.S. Registration via Gmail/Github only. The submit button is in the right bottom corner.

CPython Intermediate Contest #12

I invite everyone to the contest, which will take place on August 3, 2023 at 14:35UTC

Contest info:

• Number of problems: 10-12

• Difficulty of problems: <= 2400

• Duration: 4 hours

• Contest type: ACM20M

• Languages: C++, Python, C, Kotlin, Haskell, R, Nodejs, PHP, C#, Java.

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

One liner & Code Golf | Contest

I invite everyone to the contest, which will take place on August 1, 2023 at 15:00UTC

Contest Rules:

In this contest, you need to write one-line solutions for problems.

The solution is scored by the length of the code (Code Golf). No penalties.

Only Python.

Contest info:

• Number of problems: 8

• Duration: 3 hours

Link to the platform: https://cpython.uz/competitions/contests/

P.S. Registration on the platform only via Gmail/Github. The submit button is in the right bottom corner.

UPD

Contest is finished

Best solutions:

print('YNeos'[int(input())%int(input())>0::2])

print((lambda*a:a[1]+a[-1])(*map(int,open(0).read().split())))

print(['14','23']['.'>input()]['.'>input()])

print(*sorted(open(0).read().split()[1:],key=lambda x:(sum(map(int,x)),x[0],int(x))))

print([1+(i%4*5+i%100*4-i%400)%7for i in range(4000)].index(*[int(input())for i in'  '][::-1])+1)

print(max(__import__('collections').Counter(str(sorted(i.split()))for i in open(0)).values()))

print(sum(int(c)*int('132645'[i%6])for i,c in enumerate(input()[::-1]))%7)

print((lambda a:len(set(__import__('functools').reduce(lambda x,y:(lambda l,a,b:[i if i!=l[a]else l[b]for i in l])(x,*map(int,input().split())),range(a[1]),range(a[0]+1))))-1)([*map(int,input().split())]))

CPython Intermediate Contest #11

Приглашаю всех на контест, который состоится в 30 июля 2023 г. в 14:35UTC

Информация о контесте:

• Количество задач: 12

• Сложность задач: < 2300

• Продолжительность: 3 часа

• Языки: C++, Python, C, R, Haskell, Kotlin, C#, PHP, JS, Java.

Ссылка на сайт: https://cpython.uz/competitions/contests/

P.S. Регистрация на платформу только по Gmail/Github. Кнопка отправки находится в правом нижнем углу.