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65 contest(s) 24,566 accounts(s)

Country distribution

N Country Participants
number
1
United States of America 		10139
2
China 		4928
3
Vietnam 		841
4
Canada 		631
5
Iran 		554
6
South Korea 		532
7
Romania 		514
8
Belarus 		387
9
India 		387
10
Russia 		386
more

Most participations

N Handle Contests
count
1
Andrew He, USA 		51
2
Bruce Merry, ZAF 		38
3
Kevin Li, USA 		31
4
Seunghyun Joe, KOR 		30
5
Uwi Tenpen, JPN 		27
6
Kevin Liu, USA 		27
7
Andrew Chen, USA 		27
8
Rain Jiang, USA 		26
9
Jaehyun Koo, KOR 		26
10
Eric Zhang, USA 		24
more

Most recent activity

N Handle Last
activity
1
Daniel Zhang, USA 		Feb. 21, 2025
2
Rain Jiang, USA 		Feb. 21, 2025
3
Kevin Sun, CAN 		Feb. 21, 2025
4
Andrew He, USA 		Feb. 21, 2025
5
John Smith, USA 		Feb. 21, 2025
6
Eric Wang, USA 		Feb. 21, 2025
7
Andrew Zhang, USA 		Feb. 21, 2025
8
Edwin Chen, USA 		Feb. 21, 2025
9
Andrew Zhao, USA 		Feb. 21, 2025
10
Steven Chen, USA 		Feb. 21, 2025
more

Most solved problems

N Handle Total
solved
1
Andrew He, USA 		127
2
Bruce Merry, ZAF 		99
3
Seunghyun Joe, KOR 		73
4
Jaehyun Koo, KOR 		70
5
Uwi Tenpen, JPN 		69
6
John Smith, USA 		64
7
Rain Jiang, USA 		62
8
John Smith, CHN 		59
9
Eric Zhang, USA 		57
10
Kevin Sun, CAN 		55
more

Most points

N Handle Total
points
1
Andrew He, USA 		44463.00
2
Bruce Merry, ZAF 		34660.00
3
Seunghyun Joe, KOR 		24754.00
4
Uwi Tenpen, JPN 		23976.00
5
Jaehyun Koo, KOR 		22932.00
6
Rain Jiang, USA 		22078.00
7
John Smith, USA 		19984.00
8
Kevin Liu, USA 		19865.00
9
Kevin Sun, CAN 		18975.00
10
Steven Hao, USA 		17998.00
more

Problems

Date Name
Feb. 21, 2025 Min Max Subarrays
Feb. 21, 2025 Bessie's Function
Feb. 21, 2025 Transforming Pairs
Feb. 21, 2025 The Best Subsequence
Feb. 21, 2025 True or False Test
Feb. 21, 2025 Friendship Editing
Jan. 24, 2025 DFS Order
Jan. 24, 2025 Shock Wave
Jan. 24, 2025 Watering the Plants
Dec. 13, 2024 Cowdependence
more

Past contests

End Time Contest
March 25, 2025 US Open
Feb. 25, 2025 Third Contest
Jan. 28, 2025 Second Contest
Dec. 17, 2024 First Contest
July 28, 2024 EGOI (The Netherlands)
March 19, 2024 US Open
Feb. 20, 2024 Third Contest
Jan. 30, 2024 Second Contest
Dec. 19, 2023 First Contest
July 22, 2023 EGOI 2023 (Sweden)
more

Coming contests

Start Time Contest
July 14, 2025 EGOI (Germany)