open.kattis.com

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

Top rating updated 4 days, 6 hours ago

N Handle Rating
1
donaldong 		3921
2
hcz 		3072
3
mphillotry 		2319
4
han-jiang 		1676
5
kexuan-miao 		1584
6
yubowenok 		1583
7
ziyi-zhang 		1571
8
tianci-wang-4539 		1314
9
runze-wang-6058 		786
10
ykq1996 		739
more

Country distribution

N Country Participants
number
1
China 		341

Most top

N Handle T1 T2 T3 T10
1
ziyi-zhang 		4 5 2 5
2
mingrui-liu-5593 		4 2 1 2
3
jiarui-zhang-9708 		4 1 1 3
4
xyz2606 		4 · · 1
5
lz1199 		3 3 · 5
6
tangziyi 		2 1 · 1
7
ziqian-zhong-8824 		2 · 2 ·
8
zeyu-zheng-0759 		2 · · 1
9
haoran-xu 		2 · · ·
10
yubowenok 		1 1 2 3
more

Most participations

N Handle Contests
count
1
ziyi-zhang 		19
2
zhenglin-pan 		16
3
zhiyi-li1 		15
4
haochen-chen 		14
5
lz1199 		13
6
jiarui-zhang-9708 		10
7
mingrui-liu-5593 		10
8
yubowenok 		9
9
hao-yang 		9
10
yilun-wu-0422 		9
more

Most recent activity

N Handle Last
activity
1
zerui-cheng-7546 		Nov. 16, 2024
2
zeyu-shen-4965 		Nov. 16, 2024
3
noname512 		Nov. 9, 2024
4
ziyi-zhang 		Feb. 24, 2024
5
mingrui-liu-5593 		Feb. 24, 2024
6
kexuan-miao 		Feb. 24, 2024
7
liympanda 		Feb. 26, 2023
8
sheepforever 		Feb. 26, 2023
9
runze-wang-6058 		Feb. 25, 2023
10
zeyu-shen 		Feb. 5, 2023
more

Most solved problems

N Handle Total
solved
1
ziyi-zhang 		144
2
lz1199 		92
3
mingrui-liu-5593 		87
4
jiarui-zhang-9708 		78
5
zhenglin-pan 		78
6
yubowenok 		72
7
haochen-chen 		67
8
menghui 		61
9
xyz2606 		51
10
zihan-wang-8060 		51
more

Most first accepted

N Handle First
accepted
1
ziyi-zhang 		34
2
mingrui-liu-5593 		31
3
xyz2606 		19
4
jiarui-zhang-9708 		18
5
ziqian-zhong-8824 		10
6
zihan-wang-8060 		8
7
yubowenok 		7
8
noname512 		7
9
haochen-chen 		6
10
yilun-wu-0422 		6
more

Most points

N Handle Total
points
1
ziyi-zhang 		144.00
2
lz1199 		92.00
3
mingrui-liu-5593 		87.00
4
jiarui-zhang-9708 		78.00
5
zhenglin-pan 		78.00
6
yubowenok 		72.00
7
haochen-chen 		67.00
8
menghui 		61.00
9
xyz2606 		51.00
10
zihan-wang-8060 		51.00
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