open.kattis.com

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215 contest(s) 40,552 accounts(s)

Period
Rating min max
Number of participations min max

Rating distribution

Country distribution

N Country Participants
number
1
United States of America
12205
2
India
2190
3
China
2088
4
Vietnam
1796
5
Canada
1635
6
Indonesia
1198
7
Sweden
978
8
Bangladesh
722
9
Brazil
650
10
United Kingdom
615
more

Last activity

N Handle Last
activity
1
Björn Martinsson
Nov. 27, 2021
2
Brandon Lin Fan Club
Nov. 27, 2021
3
Ivan Zanov
Nov. 27, 2021
4
Mitko Nikov
Nov. 27, 2021
5
Vasyl
Nov. 27, 2021
6 Bulldogs Nov. 27, 2021
7
Thor Eriksen
Nov. 27, 2021
8 Ω(🦆ⁿ) Nov. 27, 2021
9 DB_Fanclub Nov. 27, 2021
10
Elias
Nov. 27, 2021
more

Problems

Date Name
Nov. 27, 2021 Access Denied
Nov. 27, 2021 Boredom Buster
Nov. 27, 2021 Cutting Edge
Nov. 27, 2021 Dyson Circle
Nov. 27, 2021 Exchange Students
Nov. 27, 2021 Flatland Olympics
Nov. 27, 2021 Glossary Arrangement
Nov. 27, 2021 Heating Up
Nov. 27, 2021 IXth Problem
Nov. 27, 2021 Jet Set
more