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1,278 contest(s) 365,995 accounts(s)

Top rating updated 19 hours ago

N Handle Rating
1
yutaka1999 		3538
2
semiexp 		3432
3
maroonrk 		3312
4
heno239 		3286
5
snuke 		3277
6
hos_lyric 		3253
7
sugim48 		3206
8
tatyam 		3150
9
noshi91 		3146
10
Nachia 		3132
more

Rating distribution

Country rating updated 1 day, 19 hours ago

N Country Participants
rating
1
Japan
3929

Country distribution

N Country Participants
number
1
Japan 		102180

Most participations

N Handle Contests
count
1
kzyKT 		778
2
startcpp 		748
3
ei13333 		729
4
kmjp 		718
5
m_buyoh 		708
6
kotatsugame 		705
7
satanic0258 		703
8
merom686 		703
9
tokumini 		687
10
prd_xxx 		671
more

Most recent submissions

N Handle Submission
time
1
makio93 		July 18, 2025
2
WAan 		July 17, 2025
3
achapi 		July 16, 2025
4
hos_lyric 		July 16, 2025
5
Today 		July 16, 2025
6
siman 		July 15, 2025
7
igeee 		July 15, 2025
8
Shun_PI 		July 15, 2025
9
yosupo 		July 15, 2025
10
littlegirl112 		July 15, 2025
more

Most recent activity

N Handle Last
activity
1
keisuke6 		yesterday
2
zuba 		yesterday
3
kino0402 		yesterday
4
plasto 		yesterday
5
MtSaka 		yesterday
6
WALLE 		yesterday
7
x_Cielo 		yesterday
8
Nzt3 		yesterday
9
tagenkan 		yesterday
10
oogiri 		yesterday
more

Most recent rating activity

N Handle Rating
activity
1
miyama_akane 		July 12, 2025
2
itotaii 		July 12, 2025
3
x__0 		July 12, 2025
4
Aryu 		July 12, 2025
5
ina17 		July 12, 2025
6
mmmn 		July 12, 2025
7
green23_ktn 		July 12, 2025
8
ergonomics 		July 12, 2025
9
syo__ 		July 12, 2025
10
aya1215 		July 12, 2025
more

Most writers

N Handle Writers
count
1
maroonrk 		33
2
maspy 		15
3
square1001 		13
4
E869120 		13
5
PCTprobability 		12
6
sugim48 		10
7
chinerist 		10
8
yosupo 		8
9
sigma425 		8
10
DEGwer 		8
more

Problems

Date Rating Name
yesterday
1683 		Merge and Increment
yesterday
2286 		Japanese "Knight's Tour"
yesterday
2241 		Repunits
yesterday
3039 		King
July 19, 2025
0 		Unsupported Type
July 19, 2025
0 		Pick Two
July 19, 2025
685 		Mixture
July 19, 2025
849 		Get Many Stickers
July 19, 2025
1188 		Hungry Takahashi
July 19, 2025
1519 		Max Combo
more

Problem rating distribution

Past contests

End Time Contest
yesterday AtCoder Regular Contest 202 (Div. 1)
July 19, 2025 Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415)
July 17, 2025 World Tour Finals 2025 Algorithm（Open Contest）
July 17, 2025 World Tour Finals 2025 Algorithm
July 16, 2025 World Tour Finals 2025 Heuristic
July 12, 2025 Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414)
July 6, 2025 AtCoder Heuristic Contest 050
July 5, 2025 Denso Create Programming Contest 2025（AtCoder Beginner Contest 413）
June 28, 2025 AtCoder Beginner Contest 412
June 22, 2025 AtCoder Regular Contest 201
more

Coming contests

Start Time Contest
July 26, 2025 AtCoder Beginner Contest 416
Aug. 1, 2025 THIRD Programming Contest 2025 Summer（AtCoder Heuristic Contest 051）
Aug. 2, 2025 AtCoder Beginner Contest 417
Aug. 3, 2025 AtCoder Regular Contest 203 (Div. 2)
Aug. 9, 2025 AtCoder Beginner Contest 418
Aug. 16, 2025 AtCoder Beginner Contest 419

Running contests

Time Left Contest
162 days AtCoder Race Ranking 2025. Heuristic
162 days AtCoder Race Ranking 2025. Algorithm