open.kattis.com

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269 contest(s) 8,460 accounts(s)

Top rating updated 3 days, 12 hours ago

N Handle Rating
1
xiaowuc1 		15001
2
atli-fannar-franklin 		13179
3
doug-goodman-7789 		12943
4
andy-polizzotto 		11273
5
zii 		9283
6
byorgey 		8592
7
arknave 		8021
8
teikn 		7963
9
suprdewd 		7882
10
friggstad 		7871
more

Rating distribution

Country distribution

N Country Participants
number
1
United States of America 		3391
2
Canada 		727
3
Vietnam 		502
4
China 		341
5
Brazil 		295
6
Indonesia 		286
7
India 		212
8
Sweden 		183
9
Singapore 		153
10
Germany 		89
more

Most top

N Handle T1 T2 T3 T10
1
ajmolina 		16 4 1 4
2
xiaowuc1 		13 8 8 14
3
jacob-jackson-6938 		8 3 · ·
4
jason-yuen 		5 3 · ·
5
ext-marten.wiman 		5 · · 1
6
ziyi-zhang 		4 5 2 5
7
farbod-yadegarian 		4 4 3 2
8
joakim-blikstad 		4 2 4 1
9
sean-purcell-7030 		4 2 3 4
10
richard-peng 		4 2 2 3
more

Most participations

N Handle Contests
count
1
xiaowuc1 		57
2
chris-wu 		35
3
peter-steele-5591 		34
4
ajmolina 		28
5
arknave 		25
6
darrin-wiley 		22
7
lahnn 		21
8
atakyn 		20
9
ian-dehaan 		19
10
ziyi-zhang 		19
more

Most recent activity

N Handle Last
activity
1
andy-phan-3775 		April 12, 2025
2
tyler-marks 		April 12, 2025
3
sathvik-kuthuru-9710 		April 12, 2025
4
ssk4988 		April 12, 2025
5 hidden-user-779192 April 12, 2025
6
thomas-meeks 		April 12, 2025
7
azure 		April 12, 2025
8
justin-almazan 		April 12, 2025
9
enwask 		April 12, 2025
10
morgulveil 		April 12, 2025
more

Most solved problems

N Handle Total
solved
1
xiaowuc1 		412
2
ajmolina 		224
3
peter-steele-5591 		176
4
chris-wu 		161
5
ziyi-zhang 		144
6
paul-wild 		118
7
darrin-wiley 		117
8
richard-peng 		116
9
peter- 		107
10
sean-purcell-7030 		107
more

Most first accepted

N Handle First
accepted
1
xiaowuc1 		140
2
ajmolina 		75
3
richard-peng 		39
4
ksun 		38
5
jason-yuen 		37
6
ziyi-zhang 		34
7
joakim-blikstad 		33
8
ext-marten.wiman 		32
9
mingrui-liu-5593 		31
10
sean-purcell-7030 		28
more

Most points

N Handle Total
points
1
matthias-andri-hrafnkelsson 		900.00
2
shm 		857.00
3
snorri-bjarkason 		546.00
4
robert-logi-jonsson 		546.00
5
xiaowuc1 		412.00
6
260.00
7
ajmolina 		224.00
8
peter-steele-5591 		176.00
9
chris-wu 		161.00
10
ziyi-zhang 		144.00
more

Problems

Date Name
April 12, 2025 Billboards
April 12, 2025 Bingo for the Win!
April 12, 2025 Citizenship
April 12, 2025 Doubles Horseback Wrestling
April 12, 2025 Flipping Container
April 12, 2025 Friendly Rivalry
April 12, 2025 Kindergarten
April 12, 2025 Maxwell's Demon
April 12, 2025 Steppe on It
April 12, 2025 The Silk Road ... with Robots!
more

Past contests

End Time Contest
April 12, 2025 UCF Practice, April 12
Nov. 17, 2024 2024 PacNW Regional Contest Division 2 - Open
Nov. 17, 2024 2024 PacNW Regional Contest Division 1 - Open
Nov. 16, 2024 ICPC NA South Division 2024 Division 2 - Open
Nov. 16, 2024 ICPC NA South Division 2024 Division 1 - Open
Nov. 10, 2024 ICPC NA East Division 2024 - Open
Nov. 9, 2024 2024 North Central NA Regional Contest - Open
Nov. 9, 2024 2024 Mid-Central USA Programming Contest - Open
Nov. 9, 2024 2024 Rocky Mountain Regional Contest - Open
Oct. 5, 2024 2024 Nordic Collegiate Programming Contest - Open
more