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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 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 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)