codeforces.com

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2,021 contest(s) 1,334,955 accounts(s)

Top rating updated 3 hours ago

N Handle Rating
1
Nachia
3463
2
maroonrk
3423
3
hos.lyric
3304
4
maspy
3258
5
yutaka1999
3190
6
potato167
3131
7
semiexp
3115
8
shiomusubi496
3079
9
rng_58
3074
10
noimi
3074
more

Rating distribution

Country rating updated 9 hours ago

N Country Participants
rating
1
Japan
3834

Country distribution

N Country Participants
number
1
Japan
3243

Most participations

N Handle Contests
count
1
kmjp
1018
2
kzyKT
916
3
natsugiri
800
4
uwi
755
5
titia
627
6
leaf1415
619
7
kotatsugame
516
8
nuip
511
9
risujiroh
503
10
emthrm
494
more

Most recent submissions

N Handle Submission
time
1
Today03
yesterday
2
cn449
July 28, 2025
3
maspy
July 27, 2025
4
natsugiri
July 27, 2025
5
leaf1415
July 27, 2025
6
Rubikun
July 27, 2025
7
kotatsugame
July 27, 2025
8
a01sa01to
July 27, 2025
9
eirinayukari
July 27, 2025
10
eruditeO_o
July 25, 2025
more

Most recent activity

N Handle Last
activity
1
ljh537ljh
July 27, 2025
2
maspy
July 27, 2025
3
natsugiri
July 27, 2025
4
ttakk
July 27, 2025
5
tko919
July 27, 2025
6
nantaotuo
July 27, 2025
7
pinpin
July 27, 2025
8
blitztage
July 27, 2025
9
_inu
July 27, 2025
10
_Ken
July 27, 2025
more

Most recent rating activity

N Handle Rating
activity
1
ococonomy1
July 19, 2025
2
tute7627
July 6, 2025
3
AoiDonguri
June 21, 2025
4
mban259
June 21, 2025
5
umimel
June 21, 2025
6
Shirotsume
June 21, 2025
7
shiinamashiro_
June 21, 2025
8
kazu_tech
June 21, 2025
9
Zuuiiii...
June 21, 2025
10
ATRIQAQ
June 21, 2025
more

Most writers

Problems

Date Rating Name
July 27, 2025
730
Recycling Center
July 27, 2025
1072
Deque Process
July 27, 2025
1168
Leftmost Below
July 27, 2025
1545
Sum of LDS
July 27, 2025
1839
Submedians (Easy Version)
July 27, 2025
2709
Submedians (Hard Version)
July 27, 2025
3234
Strict Triangle
July 22, 2025
559
Difficult Contest
July 22, 2025
832
Left and Down
July 22, 2025
995
Count Good Numbers
more

Problem rating distribution