05.07 Sun 07:00 over 00:00 Problem 1005. Median Prime List
projecteuler.net
05.07 Sun 13:00 over 02:00 牛客周赛 Round 151 [IOI]
ac.nowcoder.com
05.07 Sun 16:35 over 02:00 Repovive Starter Round 4
repovive.com
05.07 Sun 17:00 over 05:00 Индивидуальные тренировки 2026. День 6
contest.yandex.ru/CYF
06.07 Mon 19:59 15 hours 14 days CPIC. Lesson 4. Arrays - Part 2 5 
basecamp.eolymp.com
08.07 Wed 19:59 3 days 14 days CPIC. Lesson 4. Arrays - Part 3
basecamp.eolymp.com
10.07 Fri 19:59 5 days 14 days CPIC. Lesson 5. Strings - Part 1
basecamp.eolymp.com
13.07 Mon 19:59 8 days 14 days CPIC. Lesson 5. Strings - Part 2
basecamp.eolymp.com
15.07 Wed 19:59 10 days 14 days CPIC. Lesson 6. Functions
basecamp.eolymp.com
17.07 Fri 19:59 12 days 14 days CPIC. Lesson 7. Recursive functions
basecamp.eolymp.com
07.07 Tue 14:00 33 hours 60:00 UOJ Long Round #4
uoj.ac
07.07 Tue 23:59 43 hours 82 days Orbit Wars [games, artificial intelligence, reinforc…ement learning, custom metric] 10 
kaggle.com
15.07 Wed 23:59 10 days 91 days The 2026 NeuroGolf Championship [golf, artificial intelligence, neural networks…, optimization, custom metric]
kaggle.com
31.07 Fri 23:59 26 days 30 days Predicting Student Health Risk [beginner, tab…ular, balanced accuracy score]
kaggle.com
05.08 Wed 23:59 31 days 92 days ROGII - Wellbore Geology Prediction [geology, multimodal, e…valuation, mean squared error]
kaggle.com
16.08 Sun 23:59 42 days 61 days The Pokémon Company - PTCG AI Battle Challenge Simulation [games, artificial intelligence, reinforc…ement learning, custom metric]
kaggle.com
01.09 Tue 23:59 58 days 82 days AI Agent Security - Multi-Step Tool Attacks […cyber security, custom metric]
kaggle.com
13.09 Sun 23:59 70 days 89 days The Pokémon Company - PTCG AI Battle Challenge Strategy [games, artificial intelli…gence, reinforcement learning]
kaggle.com
29.09 Tue 23:59 86 days 92 days Biohub - Cell Tracking During Development [biology, computer vision, image, video, ob…ject detection, custom metric]
kaggle.com
02.11 Mon 23:59 120 days 222 days ARC Prize 2026 - ARC-AGI-2 [artificia…l intelligence, custom metric]
kaggle.com
02.11 Mon 23:59 120 days 222 days ARC Prize 2026 - ARC-AGI-3 [artificial intelligence, general knowledge …and reasoning, custom metric]
kaggle.com
09.11 Mon 23:59 127 days 229 days ARC Prize 2026 - Paper Track [artificial intelligence, ge…neral knowledge and reasoning]
kaggle.com
08.07 Wed 00:00 43 hours 48:00 LYKNCTF
ctftime.org
18.07 Sat 12:00 12 days 30 days The Second IMC Challenge sponsored by Huawei
open.kattis.com
31.08 Mon 20:59 57 days 65 days Внутри LLM: собери RAG-пайплайн (дорешивание) [ml]. Итоговое задание курса "Внутри LLM: как …думает ChatGPT?" (дорешивание) 11 
cups.online
20.09 Sun 20:59 77 days 81 days Russian Olympiad in Artificial Intellig…ence 2026 [ai]. Training round
cups.online
05.10 Mon 07:00 91 days 112 days Выходи решать! 2026. Биология (5-7 класс)
cups.online
05.10 Mon 07:00 91 days 111 days Выходи решать! 2026. Физика (5-7 класс)
cups.online
05.10 Mon 07:15 91 days 111 days Выходи решать! 2026. Астрономия (8-9 класс)
cups.online
05.10 Mon 07:15 91 days 111 days Выходи решать! 2026. Биология (8-9 класс)
cups.online
05.10 Mon 07:15 91 days 112 days Выходи решать! 2026. Информатика (8-9 класс)
cups.online
05.10 Mon 07:15 91 days 112 days Выходи решать! 2026. Математика (5-7 класс)
cups.online
05.10 Mon 07:15 91 days 111 days Выходи решать! 2026. Математика (8-9 класс)
cups.online
05.10 Mon 07:15 91 days 111 days Выходи решать! 2026. Физика (8-9 класс)
cups.online
05.10 Mon 07:15 91 days 111 days Выходи решать! 2026. Химия (8-9 класс)
cups.online
13.04 Tue 07:38 281 days 365 days Технокубок 2026-2027. Introductory round
cups.online
13.11 Fri 00:00 130 days 365 days Snake3D
datsteam.dev
07.04 Wed 22:32 276 days 365 days Lincatoria Problems. Jajceslav
codeforces.com/gyms
06.07 Mon 13:30 9 hours 03:00 Monday Munch - DSA Challenge 010 (Rated) 5 
codechef.com
08.07 Wed 14:30 58 hours 02:00 Starters 246
codechef.com
15.07 Wed 14:30 9 days 02:00 Starters 247
codechef.com
22.07 Wed 14:30 16 days 02:00 Starters 248
codechef.com
29.07 Wed 14:30 23 days 02:00 Starters 249
codechef.com
05.08 Wed 14:30 30 days 02:00 Starters 250
codechef.com
06.07 Mon 14:35 10 hours 02:00 Educational Codeforces Round 192 (Rated for Div. 2) 3 
codeforces.com
10.07 Fri 14:35 4 days 02:15 Codeforces Round (Div. 3)
codeforces.com
12.07 Sun 14:35 6 days 02:15 Codeforces Round (Div. 2)
codeforces.com
18.07 Sat 14:35 12 days 02:00 Codeforces Round (Div. 2)
codeforces.com
07.07 Tue 00:00 19 hours 34:00 World Tour Finals 2026 Heuristic 9 
atcoder.jp
09.07 Thu 02:00 3 days 07:00 World Tour Finals 2026 Algorithm
atcoder.jp
09.07 Thu 02:00 3 days 07:00 World Tour Finals 2026 Algorithm（Open Contest）
atcoder.jp
11.07 Sat 12:00 5 days 01:40 AtCoder Beginner Contest 466
atcoder.jp
12.07 Sun 12:00 6 days 02:00 AtCoder Regular Contest-- 224
atcoder.jp
18.07 Sat 06:00 12 days 04:00 estie Programming Contest 2026 (…AtCoder Heuristic Contest 068)
atcoder.jp
18.07 Sat 12:00 12 days 01:40 AtCoder Beginner Contest 467
atcoder.jp
19.07 Sun 12:00 13 days 02:00 AtCoder Regular Contest 225
atcoder.jp
25.07 Sat 12:00 19 days 01:40 AtCoder Beginner Contest 468
atcoder.jp
31.07 Fri 10:00 25 days 10 days RECRUIT Nihonbashi Half Marathon 2026 Summer (…AtCoder Heuristic Contest 069)
atcoder.jp
07.07 Tue 14:35 34 hours 02:30 KEPPY Birthday Contest | 5 years. Rated
kep.uz
08.07 Wed 15:30 59 hours 01:30 Beginner Contest 116 1 
naukri.com/code360
09.07 Thu 15:01 3 days 02:00 Weekly Contest 238
naukri.com/code360
09.07 Thu 07:05 3 days 02:30 IMPACT 6.0 Final Round Mirror (Rated Div. 2)
tlx.toki.id
10.07 Fri 11:00 4 days 00:30 UOJ NOI Round #10 笔试 2 
uoj.ac
11.07 Sat 00:30 5 days 05:00 UOJ NOI Round #10 Day1
uoj.ac
12.07 Sun 00:30 6 days 05:00 UOJ NOI Round #10 Day2
uoj.ac
10.07 Fri 11:00 4 days 03:00 牛客挑战赛90 [ACM] 3 
ac.nowcoder.com
12.07 Sun 11:00 6 days 02:00 牛客周赛 Round 152 [IOI]
ac.nowcoder.com
17.07 Fri 04:00 11 days 05:00 2026牛客暑期多校训练营1 [ACM]
ac.nowcoder.com
22.07 Wed 04:00 16 days 05:00 2026牛客暑期多校训练营2 [ACM]
ac.nowcoder.com
10.07 Fri 18:00 5 days 48:00 L3akCTF 2026 48 
ctftime.org
11.07 Sat 09:00 5 days 24:00 Junior.Crypt.2026 CTF
ctftime.org
11.07 Sat 16:00 5 days 24:00 BroncoCTF 2026
ctftime.org
17.07 Fri 11:00 11 days 48:00 EYCC CTF 2026
ctftime.org
17.07 Fri 15:00 11 days 48:00 OmniCTF 2026 Quals
ctftime.org
18.07 Sat 00:00 12 days 23:00 HACKSIUM BUSAN 2026 Quals
ctftime.org
18.07 Sat 12:00 12 days 09:00 ENOWARS 10
ctftime.org
23.07 Thu 01:00 17 days 24:00 Codegate CTF 2026 Finals
ctftime.org
24.07 Fri 20:00 19 days 72:00 jailCTF 2026
ctftime.org
25.07 Sat 00:00 19 days 48:00 UIUCTF 2026
ctftime.org
25.07 Sat 03:10 19 days 24:00 DIVER OSINT CTF 2026
ctftime.org
25.07 Sat 12:00 19 days 24:00 D^3CTF 2026
ctftime.org
31.07 Fri 12:00 25 days 24:00 DeadSec CTF 2026
ctftime.org
31.07 Fri 22:00 26 days 31:00 VuwCTF 2026
ctftime.org
01.08 Sat 07:00 26 days 32:00 Universal CTF
ctftime.org
05.08 Wed 07:00 30 days 12:00 Kali Team - CTF 26
ctftime.org
06.08 Thu 17:00 32 days 3 days AEROSPACE VILLAGE STARPWN CTF
ctftime.org
07.08 Fri 00:00 32 days 48:00 RoboHack AI CTF (Robotic Hacking Community at DEFCON 34)
ctftime.org
07.08 Fri 16:00 32 days 51:00 DEF CON CTF 2026
ctftime.org
08.08 Sat 00:00 33 days 48:00 scriptCTF 2026
ctftime.org
14.08 Fri 11:00 39 days 09:00 Thryve CTF 2026
ctftime.org
14.08 Fri 12:00 39 days 72:00 gaslightCTF 2026
ctftime.org
15.08 Sat 00:00 40 days 53:00 HackHowl 2026
ctftime.org
15.08 Sat 00:00 40 days 35:59 THJCC CTF 2026 summer
ctftime.org
21.08 Fri 12:00 46 days 48:00 BrunnerCTF 2026
ctftime.org
28.08 Fri 14:00 53 days 48:00 HITCON CTF 2026 Quals
ctftime.org
29.08 Sat 00:00 54 days 24:00 COMPFEST CTF 2026
ctftime.org
29.08 Sat 14:00 54 days 24:00 ASIS CTF Quals 2026
ctftime.org
29.08 Sat 14:00 54 days 15:00 UND CyberHawks National CTF Competition 2026 Qualifiers
ctftime.org
04.09 Fri 16:00 60 days 48:00 NNS CTF 2026
ctftime.org
05.09 Sat 10:00 61 days 24:00 TFC CTF 2026
ctftime.org
11.09 Fri 10:00 67 days 48:00 K17 CTF 2026
ctftime.org
11.09 Fri 22:00 68 days 48:00 PatriotCTF 2026
ctftime.org
17.09 Thu 05:00 73 days 10:00 VolgaCTF 2026 Final
ctftime.org
19.09 Sat 03:30 75 days 24:00 WATCHLIST
ctftime.org
26.09 Sat 03:30 82 days 36:00 H7CTF 2026 Quals
ctftime.org
26.09 Sat 12:00 82 days 09:00 FAUST CTF 2026
ctftime.org
03.10 Sat 15:00 89 days 12:00 CDCTF 2026
ctftime.org
17.10 Sat 14:00 103 days 34:00 DEADFACE CTF 2026
ctftime.org
23.10 Fri 18:00 110 days 48:00 Hack.lu CTF 2026
ctftime.org
24.10 Sat 06:30 110 days 24:00 H7CTF 2026 Finals
ctftime.org
06.11 Fri 12:00 123 days 72:00 PINK+ CTF 2026
ctftime.org
06.11 Fri 13:00 123 days 48:00 CSCTF 2026
ctftime.org
06.11 Fri 18:15 124 days 04:15 BlackAlps CTF 2026
ctftime.org
07.11 Sat 00:00 124 days 34:00 HITCON CTF 2026 Final
ctftime.org
14.11 Sat 09:00 131 days 36:00 Platypwn 2026
ctftime.org
20.11 Fri 18:00 138 days 24:00 GlacierCTF 2026
ctftime.org
20.11 Fri 21:00 138 days 48:00 SwampCTF 2026
ctftime.org
27.12 Sun 14:00 174 days 24:00 ASIS CTF Finals 2026
ctftime.org
12.07 Sun 02:30 6 days 01:30 Weekly Contest 510 1 
leetcode.com
18.07 Sat 14:30 12 days 01:30 Biweekly Contest 187
leetcode.com
12.07 Sun 10:00 6 days 01:30 Blitz Round #22
basecamp.eolymp.com
12.07 Sun 10:00 6 days 00:00 Problem 1006 1 
projecteuler.net
12.07 Sun 10:00 6 days 00:00 Problem 1007
projecteuler.net
12.07 Sun 14:35 6 days 02:30 Repovive Premier Round 6
repovive.com
17.07 Fri 14:00 11 days 03:00 DragonByte Coding Challenge 2026. Online Round 1 
wincentdragonbyte.com
17.09 Thu 22:00 74 days 04:00 DragonByte Coding Challenge 2026. Final Round
wincentdragonbyte.com
01.08 Sat 12:30 26 days 24:00 HackerRank Orchestrate August'26
hackerrank.com
09.08 Sun 00:00 34 days 7 days 38th International Olympiad in Informatics. Uzbekistan
stats.ioinformatics.org
21.09 Mon 07:00 77 days 15 days Russian Olympiad in Artificial Intelligen…ce 2026 [ai]. Qualifying round 12 
cups.online
28.09 Mon 06:00 84 days 7 days Выходи решать!. Астрономия (8-9 класс)
cups.online
28.09 Mon 06:00 84 days 7 days Выходи решать!. Биология (5-7 класс)
cups.online
28.09 Mon 06:00 84 days 7 days Выходи решать!. Биология (8-9 класс)
cups.online
28.09 Mon 06:00 84 days 7 days Выходи решать!. Информатика (8-9 класс)
cups.online
28.09 Mon 06:00 84 days 7 days Выходи решать!. Математика (5-7 класс)
cups.online
28.09 Mon 06:00 84 days 7 days Выходи решать!. Математика (8-9 класс)
cups.online
28.09 Mon 06:00 84 days 8 days Выходи решать!. Физика (5-7 класс)
cups.online
28.09 Mon 06:00 84 days 7 days Выходи решать!. Физика (8-9 класс)
cups.online
28.09 Mon 06:00 84 days 7 days Выходи решать!. Химия (8-9 класс)
cups.online
15.10 Thu 07:00 101 days 3 days Russian Olympiad in Artificial Intelligence …2026 [ai]. Main stage, 1 round
cups.online
20.10 Tue 07:00 106 days 37:59 Russian Olympiad in Artificial Intelligence …2026 [ai]. Main stage, 2 round
cups.online
16.11 Mon 07:00 133 days 5 days Russian Olympiad in Artificial Intel…ligence 2026 [ai]. Final stage
cups.online
23.10 Fri 08:00 109 days 02:00 Cloudflight Coding Contest #school 2 
codingcontest.org
23.10 Fri 13:00 109 days 04:00 Cloudflight Coding Contest #classic
codingcontest.org
23.10 Fri 13:00 109 days 04:00 Cloudflight Coding Contest #data/ai
codingcontest.org
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