|
30.10 Fri 09:00
|
over
|
03:00
|
COCI 2026/2027 #1 Unofficial Mirror [ioi]
luogu.com.cn
|
|
30.10 Fri 13:00
|
over
|
02:00
|
牛客小白月赛139 [ACM]
ac.nowcoder.com
|
|
31.10 Sat 06:30
|
14 hours
|
24:00
|
Hacker's Gambit 2026 (Round 2 – Grand Finale)
2
ctftime.org
|
|
01.11 Sun 10:00
|
41 hours
|
48:00
|
CTF@AC26 - Finals
ctftime.org
|
|
01.11 Sun 14:00
|
45 hours
|
48:00
|
HI Cyber Con 2026 CTF
ctftime.org
|
|
31.10 Sat 10:30
|
18 hours
|
8 days
|
CSP-J 必备模板赛 [ioi]
1
luogu.com.cn
|
|
31.10 Sat 10:30
|
18 hours
|
8 days
|
CSP-S 必备模板赛 [ioi]
luogu.com.cn
|
|
31.10 Sat 23:59
|
31 hours
|
30 days
|
Predicting Airline Satisfaction [beg…inner, tabular, roc auc score]
11
kaggle.com
|
|
02.11 Mon 23:59
|
3 days
|
222 days
|
ARC Prize 2026 - ARC-AGI-2 [artificia…l intelligence, custom metric]
kaggle.com
|
|
02.11 Mon 23:59
|
3 days
|
222 days
|
ARC Prize 2026 - ARC-AGI-3 [artificial intelligence, general knowledge …and reasoning, custom metric]
kaggle.com
|
|
09.11 Mon 23:59
|
10 days
|
229 days
|
ARC Prize 2026 - Paper Track [artificial intelligence, ge…neral knowledge and reasoning]
kaggle.com
|
|
12.11 Thu 23:59
|
13 days
|
50 days
|
Google - The Gemma 4 Developer Agent Paper Track [ar…tificial intelligence, coding]
kaggle.com
|
|
02.12 Wed 23:59
|
33 days
|
70 days
|
Google - The Gemma 4 Developer Agent Competition [coding, artificia…l intelligence, custom metric]
kaggle.com
|
|
14.12 Mon 23:59
|
45 days
|
91 days
|
Enveda CASMI 2026 - Molecule ID From Mass Spectra [biol…ogy, chemistry, custom metric]
kaggle.com
|
|
06.01 Wed 23:59
|
68 days
|
92 days
|
NFL Big Data Bowl 2027 [data analytics, football, sports]
kaggle.com
|
|
08.01 Fri 23:59
|
70 days
|
101 days
|
The Pokémon Company - PTCG AI Battle Challenge Playground [reinforcement learning, games, artificia…l intelligence, custom metric]
kaggle.com
|
|
14.01 Thu 23:59
|
76 days
|
92 days
|
Name That LLM [classification, balanced accuracy score]
kaggle.com
|
|
20.01 Wed 23:59
|
82 days
|
90 days
|
Google Quantum AI - Verifiable Quantum Circuit Compilation [physics, co…mputer science, custom metric]
kaggle.com
|
|
18.07 Sun 23:59
|
261 days
|
270 days
|
Squares in Squares [optimization, mat…hematics, math, custom metric]
kaggle.com
|
|
01.11 Sun 01:00
|
32 hours
|
01:40
|
DOJ Beginner Contest 14
1
doj.kr
|
|
01.11 Sun 01:00
|
32 hours
|
04:30
|
DOJ Contest++ 9
doj.kr
|
|
01.11 Sun 19:59
|
51 hours
|
6 days
|
USACO 2017 January
basecamp.eolymp.com
|
|
08.11 Sun 22:00
|
9 days
|
14 days
|
Datatähti 2027 alku
cses.fi
|
|
09.11 Mon 10:00
|
10 days
|
10 days
|
HACK TO THE FUTURE 2027 (AtCoder Heuristic Contest 074)
atcoder.jp
|
|
13.11 Fri 00:00
|
13 days
|
365 days
|
Snake3D
datsteam.dev
|
|
29.11 Sun 09:00
|
30 days
|
41 days
|
ACPC 2026 Upsolve
acpc26.kattis.com
|
|
13.04 Tue 07:38
|
165 days
|
365 days
|
Technocup 2026-2027. Introductory round
cups.online
|
|
|---|
|
31.10 Sat 02:00
|
9 hours
|
24:00
|
2026 Qiangwang Challenge on Cyb…er Mimic Defense Qualification
32
ctftime.org
|
|
31.10 Sat 03:30
|
11 hours
|
04:00
|
HAM-DEFCON
ctftime.org
|
|
31.10 Sat 09:00
|
16 hours
|
24:00
|
Russian CTF Cup X Qualifier
ctftime.org
|
|
31.10 Sat 13:00
|
20 hours
|
08:00
|
StealthCup 2026
ctftime.org
|
|
06.11 Fri 10:00
|
7 days
|
24:00
|
HKCERT CTF 2026 (Qualifying Round)
ctftime.org
|
|
06.11 Fri 12:00
|
7 days
|
72:00
|
PINK+ CTF 2026
ctftime.org
|
|
06.11 Fri 13:00
|
7 days
|
48:00
|
CSCTF 2026
ctftime.org
|
|
06.11 Fri 17:00
|
7 days
|
24:00
|
SpookyCTF 2026
ctftime.org
|
|
06.11 Fri 18:15
|
7 days
|
04:15
|
BlackAlps CTF 2026
ctftime.org
|
|
07.11 Sat 12:00
|
8 days
|
24:00
|
Mimic
ctftime.org
|
|
12.11 Thu 17:00
|
13 days
|
36:00
|
CSAW CTF Final Round 2026
ctftime.org
|
|
13.11 Fri 10:00
|
14 days
|
10:00
|
TVX CTF 2026
ctftime.org
|
|
14.11 Sat 15:30
|
15 days
|
08:00
|
InIt CTF
ctftime.org
|
|
20.11 Fri 10:00
|
21 days
|
48:00
|
EyesOpenCTF 7th edition
ctftime.org
|
|
20.11 Fri 18:00
|
21 days
|
24:00
|
GlacierCTF 2026
ctftime.org
|
|
20.11 Fri 23:00
|
21 days
|
24:00
|
Outback Overflow
ctftime.org
|
|
21.11 Sat 06:30
|
22 days
|
20:00
|
Seize da Flaq
ctftime.org
|
|
21.11 Sat 09:00
|
22 days
|
24:00
|
Cyber Ninja CTF 2026 - BLACKOUT
ctftime.org
|
|
21.11 Sat 13:00
|
22 days
|
08:00
|
Crate-CTF 2026
ctftime.org
|
|
21.11 Sat 15:00
|
22 days
|
07:00
|
CyberSci Regional Qualifiers 2026-27
ctftime.org
|
|
27.11 Fri 18:00
|
28 days
|
24:00
|
LakeCTF Quals 26-27
ctftime.org
|
|
28.11 Sat 04:30
|
29 days
|
12:00
|
L3m0n CTF 2026 (Quals)
ctftime.org
|
|
28.11 Sat 09:00
|
29 days
|
12:00
|
CyberNSK2027-Qualifier
ctftime.org
|
|
01.12 Tue 15:14
|
32 days
|
48:00
|
BlackHat MEA CTF Final 2026
ctftime.org
|
|
04.12 Fri 18:00
|
35 days
|
48:00
|
x3CTF 2026
ctftime.org
|
|
05.12 Sat 05:00
|
36 days
|
36:00
|
bi0sCTF 2026
ctftime.org
|
|
11.12 Fri 12:00
|
42 days
|
48:00
|
niteCTF 2026
ctftime.org
|
|
17.12 Thu 19:00
|
48 days
|
36:00
|
BSides Algiers 2026
ctftime.org
|
|
19.12 Sat 12:00
|
50 days
|
24:00
|
BackdoorCTF 2026
ctftime.org
|
|
27.12 Sun 14:00
|
58 days
|
24:00
|
ASIS CTF Finals 2026
ctftime.org
|
|
02.01 Sat 18:00
|
64 days
|
24:00
|
GaianSpace Perihelion CTF 2027
ctftime.org
|
|
13.03 Sat 17:00
|
134 days
|
23:00
|
JerseyCTF VII
ctftime.org
|
|
20.03 Sat 11:00
|
141 days
|
08:00
|
Undutmaning 2027
ctftime.org
|
|
31.10 Sat 07:45
|
15 hours
|
05:00
|
[Online] ICPC UrFU Contest Qualifier 2026
acm.timus.ru
|
|
31.10 Sat 09:30
|
17 hours
|
02:30
|
2026 GSHS 2학년 1반 2학기 PS 대회 Open Contest
2
doj.kr
|
|
01.11 Sun 01:00
|
32 hours
|
01:40
|
DOJ Beginner Contest 15
doj.kr
|
|
06.11 Fri 15:00
|
7 days
|
04:00
|
몰루컵 ~Unwelcome School~
doj.kr
|
|
31.10 Sat 12:00
|
19 hours
|
01:40
|
AtCoder Beginner Contest 482
7
atcoder.jp
|
|
07.11 Sat 12:00
|
8 days
|
01:40
|
AtCoder Beginner Contest 483
atcoder.jp
|
|
08.11 Sun 12:00
|
9 days
|
03:00
|
AtCoder Grand Contest 079
atcoder.jp
|
|
14.11 Sat 12:00
|
15 days
|
01:40
|
AtCoder Beginner Contest 484
atcoder.jp
|
|
20.11 Fri 11:00
|
21 days
|
02:00
|
AtCoder 企業対抗リーグ 2026 第3戦
atcoder.jp?lang=ja
|
|
20.11 Fri 11:00
|
21 days
|
02:00
|
AtCoder 企業対抗リーグ 2026 第3戦(オープンコンテスト)
atcoder.jp?lang=ja
|
|
21.11 Sat 12:00
|
22 days
|
01:40
|
AtCoder Beginner Contest 485
atcoder.jp
|
|
22.11 Sun 12:00
|
23 days
|
02:30
|
AtCoder Regular Contest++ 234
atcoder.jp
|
|
31.10 Sat 13:00
|
20 hours
|
00:00
|
Problem 1017
1
projecteuler.net
|
|
07.11 Sat 16:00
|
8 days
|
00:00
|
Problem 1018
projecteuler.net
|
|
31.10 Sat 14:35
|
22 hours
|
02:15
|
Codeforces Round 1131 (Div. 3)
8
codeforces.com
|
|
04.11 Wed 14:35
|
5 days
|
02:00
|
Educational Codeforces Round 196 (Rated for Div. 2)
codeforces.com
|
|
05.11 Thu 11:00
|
6 days
|
14 days
|
ICPC 2026 Online Challenge 2 powered by Huawei
codeforces.com
|
|
06.11 Fri 14:35
|
7 days
|
02:15
|
Codeforces Round (Div. 2)
codeforces.com
|
|
07.11 Sat 14:35
|
8 days
|
02:30
|
Codeforces Round (Div. 1)
codeforces.com
|
|
07.11 Sat 14:35
|
8 days
|
02:30
|
Codeforces Round (Div. 2)
codeforces.com
|
|
15.11 Sun 14:35
|
16 days
|
02:00
|
Codeforces Round (Div. 2)
codeforces.com
|
|
20.11 Fri 14:30
|
21 days
|
7 days
|
Kotlin Heroes: Practice 15
codeforces.com
|
|
27.11 Fri 14:35
|
28 days
|
02:30
|
Kotlin Heroes: Episode 15
codeforces.com
|
|
31.10 Sat 19:00
|
26 hours
|
04:00
|
Halloween Contest 2026 (unrated, icpc, individual)
algoleague.com
|
|
01.11 Sun 02:30
|
34 hours
|
01:30
|
Weekly Contest 526
2
leetcode.com
|
|
07.11 Sat 14:30
|
8 days
|
01:30
|
Biweekly Contest 195
leetcode.com
|
|
08.11 Sun 02:30
|
8 days
|
01:30
|
Weekly Contest 527
leetcode.com
|
|
01.11 Sun 05:00
|
36 hours
|
04:00
|
2026 年 CaMeL AI 杯上海市临港五校程序设计邀请赛（重现赛） [guzhi, icpc]
1
luogu.com.cn
|
|
07.11 Sat 06:00
|
8 days
|
04:00
|
【LGR-313-Div.2】洛谷 11 月月赛 I &『LBA-OI』Round 6 [rated, ioi]
luogu.com.cn
|
|
01.11 Sun 08:00
|
39 hours
|
05:00
|
Вторая командная олимпиада
4
acmp.ru
|
|
30.11 Mon 08:00
|
31 days
|
02:00
|
Пробный тур муниципального этапа ВсОШ Красноярского края по информатике (…программирование), 9-11 классы
acmp.ru
|
|
30.11 Mon 08:00
|
31 days
|
02:00
|
Пробный тур муниципального этапа ВсОШ Красноярского края по информатике …(программировние), 7-8 классы
acmp.ru
|
|
01.12 Tue 03:00
|
31 days
|
03:00
|
Муниципальный этап ВсОШ Красноярского края по информатике …(программирование), 7-8 классы
acmp.ru
|
|
01.12 Tue 03:00
|
31 days
|
03:55
|
Муниципальный этап ВсОШ Красноярского края по информатике (…программирование), 9-11 классы
acmp.ru
|
|
01.11 Sun 09:00
|
40 hours
|
03:00
|
FMI NO STRESS 15
kilonova.ro
|
|
01.11 Sun 10:00
|
41 hours
|
05:00
|
Интернет-олимпиада
1
nerc.itmo.ru/school
|
|
29.11 Sun 10:00
|
30 days
|
05:00
|
Интернет-олимпиада
nerc.itmo.ru/school
|
|
01.11 Sun 11:00
|
42 hours
|
01:30
|
Blitz Round #27
1
basecamp.eolymp.com
|
|
08.11 Sun 12:00
|
9 days
|
02:00
|
Weekend Practice #31
basecamp.eolymp.com
|
|
01.11 Sun 11:00
|
42 hours
|
02:00
|
牛客周赛 Round 168 [IOI]
3
ac.nowcoder.com
|
|
06.11 Fri 11:00
|
7 days
|
02:30
|
牛客练习赛159 [ACM]
ac.nowcoder.com
|
|
08.11 Sun 11:00
|
9 days
|
02:00
|
牛客周赛 Round 169 [IOI]
ac.nowcoder.com
|
|
13.11 Fri 11:00
|
14 days
|
02:00
|
牛客小白月赛140 [ACM]
ac.nowcoder.com
|
|
01.11 Sun 14:30
|
46 hours
|
02:00
|
SamCoding Round 10 (Div. 4)
samcoding.uz
|
|
01.11 Sun 14:35
|
46 hours
|
02:30
|
Repovive Premier Round 10
repovive.com
|
|
02.11 Mon 08:00
|
3 days
|
7 days
|
Fall Challenge 2026
codingame.com
|
|
02.11 Mon 13:00
|
3 days
|
05:00
|
2026-2027 ICPC German Collegiate Programming Cont…est (GCPC 2026). niyaznigmatul
1
codeforces.com/gyms
|
|
04.11 Wed 12:00
|
5 days
|
05:00
|
2025-2026 ICPC North America Champion…ship (NAC 2026). niyaznigmatul
codeforces.com/gyms
|
|
02.11 Mon 13:30
|
3 days
|
03:00
|
Monday Munch - DSA Challenge 027 (Rated)
3
codechef.com
|
|
04.11 Wed 14:30
|
5 days
|
02:00
|
Starters 263
codechef.com
|
|
11.11 Wed 14:30
|
12 days
|
02:00
|
Starters 264
codechef.com
|
|
18.11 Wed 14:30
|
19 days
|
02:00
|
Starters 265
codechef.com
|
|
05.11 Thu 15:01
|
6 days
|
02:00
|
Weekly Contest 255
1
naukri.com/code360
|
|
11.11 Wed 15:30
|
12 days
|
01:31
|
Beginner Contest 125
naukri.com/code360
|
|
06.11 Fri 14:00
|
7 days
|
00:30
|
Innopolis International Olympiad in Aftificial Intelligence 2026/2027. Пробный отборочный …тур (10-11 класс/1-2 курс СПО)
12
cups.online
|
|
06.11 Fri 14:00
|
7 days
|
00:30
|
Innopolis International Olympiad in Aftificial Intelligence 2026/2027. Проб…ный отборочный тур (7-9 класс)
cups.online
|
|
07.11 Sat 07:00
|
8 days
|
03:00
|
Innopolis International Olympiad in Aftificial Intelligence 2026/2027. Отборочный тур 1 ча…сть (10-11 класс/1-2 курс СПО)
cups.online
|
|
07.11 Sat 07:00
|
8 days
|
03:00
|
Innopolis International Olympiad in Aftificial Intelligence 2026/2027. Отбо…рочный тур 1 часть (7-9 класс)
cups.online
|
|
08.11 Sun 07:00
|
9 days
|
03:00
|
Innopolis International Olympiad in Aftificial Intelligence 2026/2027. Отборочный тур 2 ча…сть (10-11 класс/1-2 курс СПО)
cups.online
|
|
08.11 Sun 07:00
|
9 days
|
03:00
|
Innopolis International Olympiad in Aftificial Intelligence 2026/2027. Отбо…рочный тур 2 часть (7-9 класс)
cups.online
|
|
08.11 Sun 11:05
|
9 days
|
03:00
|
Technocup 2026-2027. Первый отборочный раунд
cups.online
|
|
16.11 Mon 14:30
|
17 days
|
02:30
|
Russian Olympiad in Artificial Intelligence 2026 [ai]. …Trial round of the final stage
cups.online
|
|
18.11 Wed 07:00
|
19 days
|
32:00
|
Russian Olympiad in Artificial Intelligence 2026 [ai]. …Final stage: individual round
cups.online
|
|
06.12 Sun 07:05
|
37 days
|
03:00
|
Technocup 2026-2027. Второй отборочный раунд
cups.online
|
|
25.01 Mon 15:27
|
87 days
|
260 days
|
Russian Olympiad in Artificial Intelligence …2027 [ai]. Тренировочный раунд
cups.online
|
|
30.01 Sat 07:05
|
92 days
|
03:00
|
Technocup 2026-2027. Третий отборочны…й раунд, региональные площадки
cups.online
|
|
12.03 Fri 07:00
|
133 days
|
48:00
|
Technocup 2026-2027. Заключительный этап, очный
cups.online
|
|
08.11 Sun 04:00
|
8 days
|
07:00
|
Программирование - профессионалы (ком. 2026)
3
dl.gsu.by
|
|
15.11 Sun 09:00
|
16 days
|
05:00
|
Гомельская отборочная олимпиада для ВКОШП - 2026
dl.gsu.by
|
|
22.11 Sun 04:00
|
22 days
|
07:00
|
Программирование - профессионалы (ком. 2026)
dl.gsu.by
|
|
06.12 Sun 04:00
|
36 days
|
07:00
|
Программирование - профессионалы (ком. 2026)
dl.gsu.by
|
|
14.11 Sat 14:00
|
15 days
|
03:00
|
CONTEST #2
3
hsin.hr/coci
|
|
12.12 Sat 14:00
|
43 days
|
03:00
|
CONTEST #3
hsin.hr/coci
|
|
23.01 Sat 14:00
|
85 days
|
03:00
|
CONTEST #4
hsin.hr/coci
|
|
20.02 Sat 14:00
|
113 days
|
03:00
|
CONTEST #5
hsin.hr/coci
|
|
12.12 Sat 12:30
|
43 days
|
24:00
|
Orchestrate December'26
hackerrank.com
|
|
22.10 Fri 08:00
|
357 days
|
02:00
|
43rd Coding Contest 2027. — School Track
2
codingcontest.org
|
|
22.10 Fri 13:00
|
357 days
|
04:00
|
43rd Coding Contest 2027. — AI Track
codingcontest.org
|
|
22.10 Fri 13:00
|
357 days
|
04:00
|
43rd Coding Contest 2027. — Classic Track
codingcontest.org
|
