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76 contests 130,145 accounts

Most medals

N Handle ∑
1 Gennady Korotkevich (tourist) · 6 · · 6
2
Benjamin Qi (Benq) 		· 1 2 1 4
3
Mikhail Ipatov 		· 1 1 1 3
4 Makoto Soejima · 1 1 1 3
5
Andrew He (ecnerwala) 		· 1 · 2 3
6 Petr Mitrichev · 1 · · 1
7 Roman Andreev · 1 · · 1
8 Petr Mitrichev · 1 · · 1
9 Petr Mitrichev · 1 · · 1
10 Ziqian Zhong · 1 · · 1
more

Country distribution

N Country Participants
number
1
India 		15379
2
Bangladesh 		1816
3
Egypt 		1029
4
United States of America 		804
5
Pakistan 		616
6
Vietnam 		615
7
Taiwan 		363
8
Brazil 		317
9
South Korea 		293
10
Japan 		280
more

Most top

N Handle T1 T2 T3 T10
1 Gennady Korotkevich (tourist) 10 2 3 18
2
Benjamin Qi (Benq) 		8 7 1 6
3
Eryk Kopczynski (Eryx) 		3 · · 5
4
Алексей Данилюк (Um_nik) 		2 3 3 13
5
Andrew He (ecnerwala) 		2 2 4 9
6
Zixiang Zhou (duality) 		2 1 3 6
7
Mateusz Radecki (Radewoosh) 		2 1 2 10
8
Neal Wu 		2 1 · 5
9 Rudradev Basak 2 1 · ·
10
Marek Sokołowski (mnbvmar) 		2 · 1 3
more

Most participations

N Handle Contests Count
1 Gennady Korotkevich (tourist) 61
2
Tiancheng Lou (ACRush) 		57
3
Huang I-Wen (dreamoon) 		55
4
Ilya Kornakov (ilyakor) 		55
5
Dmytro Soboliev (sdya) 		55
6
Egor Kulikov (Egor) 		54
7
Neal Wu 		54
8
Yiming Li (liympanda) 		53
9
Marcin Smulewicz 		52
10 Md Mahbubul Hasan (dragoon) 51
more

Most recent activity

N Handle Last Activity
1 Gennady Korotkevich (tourist) Dec. 20, 2025
2
박상수 (molamola) 		Dec. 20, 2025
3
Mateusz Radecki (Radewoosh) 		Dec. 20, 2025
4
Andrew He (ecnerwala) 		Dec. 20, 2025
5
Алексей Данилюк (Um_nik) 		Dec. 20, 2025
6
Kevin Sun (ksun48) 		Dec. 20, 2025
7
Yui Hosaka (hos.lyric) 		Dec. 20, 2025
8 Artsem Zhuk (Arterm) Dec. 20, 2025
9
최석환 (gs12117) 		Dec. 20, 2025
10
Marek Sokołowski (mnbvmar) 		Dec. 20, 2025
more

Most solved problems

N Handle Total Solved
1 Gennady Korotkevich (tourist) 484
2
Marcin Smulewicz 		188
3
Tiancheng Lou (ACRush) 		188
4
Алексей Данилюк (Um_nik) 		185
5
Andrew He (ecnerwala) 		182
6
Neal Wu 		181
7
Mateusz Radecki (Radewoosh) 		176
8
Kevin Sun (ksun48) 		172
9
Minoru Fujita 		172
10
Egor Kulikov (Egor) 		169
more

Most first accepted

N Handle First Accepted
1 Gennady Korotkevich (tourist) 38
2
Neal Wu 		18
3
Алексей Данилюк (Um_nik) 		13
4
Benjamin Qi (Benq) 		9
5
Andrew He (ecnerwala) 		7
6
Kamil Dębowski (Errichto) 		7
7 Yuhao Du (apiad) 7
8 Makoto Soejima 7
9
조승현 (ainta) 		6
10
Kevin Sun (ksun48) 		6
more

Most points

N Handle Total Points
1 Gennady Korotkevich (tourist) 10428.00
2
Tiancheng Lou (ACRush) 		5446.00
3
Ilya Kornakov (ilyakor) 		4690.00
4
Neal Wu 		4455.00
5
Egor Kulikov (Egor) 		4396.00
6
Huang I-Wen (dreamoon) 		4373.00
7
Dmytro Soboliev (sdya) 		4357.00
8
Paweł Parys 		4352.00
9
Yui Hosaka (hos.lyric) 		4315.00
10 Makoto Soejima 4305.00
more

Problems

Date Name
Dec. 20, 2025 Supermarket Shifts
Dec. 20, 2025 Polishing Problems
Dec. 20, 2025 Cube Coloring (Chapter 1)
Dec. 20, 2025 Cube Coloring (Chapter 2)
Dec. 20, 2025 Wiring Wreaths
Dec. 20, 2025 Lonesome Lookout
Dec. 20, 2025 Reindeer Rally
Nov. 29, 2025 Patchwork Pyramid
Nov. 29, 2025 Streetlamp Safety
Nov. 29, 2025 Adversarial Attack
more

Past contests

End Time Contest
Dec. 20, 2025 Final Round 2025
Nov. 29, 2025 Round 3 2025
Nov. 15, 2025 Round 2 2025
Oct. 18, 2025 Round 1 2025
Oct. 15, 2025 Practice Round 2025
Dec. 7, 2024 Final Round 2024
Nov. 2, 2024 Round 3 2024
Oct. 19, 2024 Round 2 2024
Oct. 5, 2024 Round 1 2024
Sept. 23, 2024 Practice Round 2024
more