atcoder.jp

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1,222 contest(s) 341,437 accounts(s)

Top rating updated 16 minutes ago

N Handle Rating
1
tourist
3810
2
zhoukangyang
3727
3
w4yneb0t
3710
4
ksun48
3702
5
Benq
3658
6
ecnerwala
3627
7
cospleermusora
3606
8
jiangly
3605
9
mnbvmar
3555
10
newbiedmy
3545
more

Rating distribution

Country distribution

N Country Participants
number
1
Japan
97077
2
India
81369
3
China
60682
4
Bangladesh
12180
5
Egypt
3374
6
South Korea
2947
7
Vietnam
2880
8
United States of America
2818
9
Taiwan
2405
10
Russia
2268
more

Country rating updated 4 days, 10 hours ago

N Country Participants
rating
1
China
3981
2
Japan
3803
3
Belarus
3770
4
United States of America
3715
5
Canada
3678
6
Poland
3553
7
Ukraine
3513
8
Russia
3486
9
South Korea
3279
10
Netherlands
3275
more

Most participations

N Handle Contests
count
1
kzyKT
740
2
startcpp
717
3
ei13333
698
4
kmjp
683
5
m_buyoh
670
6
satanic0258
660
7
kotatsugame
660
8
merom686
660
9
tokumini
650
10
prd_xxx
629
more

Most recent submissions

N Handle Submission
time
1
siman
yesterday
2
evresed
yesterday
3
Astral__
yesterday
4
MvKaio
yesterday
5
AtillaMA
yesterday
6
molik_28
yesterday
7
F1ower
yesterday
8
Arcuda
yesterday
9
Lehe
yesterday
10
kemuniku
yesterday
more

Most recent activity

N Handle Last
activity
1
Panyang
Feb. 9, 2025
2
catupper
Feb. 9, 2025
3
SC3
Feb. 9, 2025
4
zzzyyyyhhhhh
Feb. 9, 2025
5
Xr0701
Feb. 9, 2025
6
riantkb
Feb. 9, 2025
7
ZZhan2024
Feb. 9, 2025
8
Yu_212
Feb. 9, 2025
9
Bungmint
Feb. 9, 2025
10
Sorting
Feb. 9, 2025
more

Most recent rating activity

N Handle Rating
activity
1
FFTotoro
Feb. 9, 2025
2
tosca2020
Feb. 9, 2025
3
Celebrate
Feb. 9, 2025
4
ynasu
Feb. 9, 2025
5
FzArK
Feb. 9, 2025
6
Ra16bit
Feb. 9, 2025
7
Nienie0730
Feb. 9, 2025
8
J_R_X
Feb. 9, 2025
9
wassim
Feb. 9, 2025
10
Tomii9273
Feb. 9, 2025
more

Most writers

N Handle Writers
count
1
maroonrk
31
2
maspy
14
3
square1001
11
4
E869120
11
5
sugim48
10
6
PCTprobability
10
7
chinerist
9
8
yosupo
8
9
sigma425
8
10
DEGwer
8
more

Problems

Date Rating Name
Feb. 9, 2025
1364
ARC Arc
Feb. 9, 2025
1719
Fennec VS. Snuke 2
Feb. 9, 2025
2068
Range Sums 2
Feb. 9, 2025
2625
Fraction Line
Feb. 9, 2025
3044
Snuke's Kyoto Trip
Feb. 8, 2025
0
Shuffled Equation
Feb. 8, 2025
0
Who is Missing?
Feb. 8, 2025
140
Bib
Feb. 8, 2025
603
Doubles
Feb. 8, 2025
1185
Cables and Servers
more

Problem rating distribution

Running contests