atcoder.jp

Google calendar
auto updating
has account rating
has problem rating
has upsolving
1,222 contest(s) 341,437 accounts(s)

Top rating updated 2 hours ago

N Handle Rating
1
yutaka1999
3538
2
semiexp
3432
3
snuke
3336
4
maroonrk
3312
5
hos_lyric
3310
6
heno239
3286
7
noshi91
3218
8
sugim48
3206
9
tatyam
3154
10
Nachia
3131
more

Rating distribution

Country distribution

N Country Participants
number
1
Japan
97077

Country rating updated 4 days, 13 hours ago

N Country Participants
rating
1
Japan
3803

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
Astral__
yesterday
3
kemuniku
yesterday
4
blueberry1001
yesterday
5
umimel
yesterday
6
t9unkubj
yesterday
7
Arou
Feb. 10, 2025
8
WAan
Feb. 10, 2025
9
tengrist
Feb. 10, 2025
10
a01sa01to
Feb. 10, 2025
more

Most recent activity

N Handle Last
activity
1
catupper
Feb. 9, 2025
2
riantkb
Feb. 9, 2025
3
ZZhan2024
Feb. 9, 2025
4
Yu_212
Feb. 9, 2025
5
Astral__
Feb. 9, 2025
6
KoD
Feb. 9, 2025
7
null0124
Feb. 9, 2025
8
kwm_t
Feb. 9, 2025
9
satashun
Feb. 9, 2025
10
hiro1729
Feb. 9, 2025
more

Most recent rating activity

N Handle Rating
activity
1
tosca2020
Feb. 9, 2025
2
ynasu
Feb. 9, 2025
3
Tomii9273
Feb. 9, 2025
4
imazato
Feb. 9, 2025
5
rasennn
Feb. 9, 2025
6
Linuxmetel
Feb. 9, 2025
7
aplysia
Feb. 9, 2025
8
DeltaStruct
Feb. 9, 2025
9
FplusFplusF
Feb. 9, 2025
10
satanic0258
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