atcoder.jp

Google calendar
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864 contest(s) 173,567 accounts(s)

Period
Rating min max
Number of participations min max

Top rating

N Handle Rating
1
tourist
3969
2
ksun48
3802
3
Um_nik
3775
4
newbiedmy
3714
5
w4yneb0t
3710
6
ecnerwala
3700
7
apiad
3691
8
Benq
3658
9
mnbvmar
3617
10
cospleermusora
3606
more

Rating distribution

Country distribution

N Country Participants
number
1
Japan
22679
2
India
4852
3
China
3171
4
Bangladesh
1125
5
Russia
298
6
South Korea
246
7
Taiwan
234
8
Cambodia
188
9
United States of America
182
10
Vietnam
174
more

Last activity

N Handle Last
activity
1
yosupo
Jan. 15, 2022
2
nuip
Jan. 15, 2022
3
olphe
Jan. 15, 2022
4
verngutz
Jan. 15, 2022
5
pr3pony
Jan. 15, 2022
6
WA_TLE
Jan. 15, 2022
7
atm314
Jan. 15, 2022
8
mtsd
Jan. 15, 2022
9
harmokey
Jan. 15, 2022
10
catupper
Jan. 15, 2022
more

Most participated

N Handle Contests
number
1
ei13333
490
2
startcpp
482
3
uwi
478
4
kzyKT
466
5
kmjp
455
6
hirokazu1020
416
7
torus711
404
8
m_buyoh
402
9
satanic0258
392
10
kusano
390
more

Problems

Date Name
Jan. 15, 2022 Rotate
Jan. 15, 2022 Climbing Takahashi
Jan. 15, 2022 The Kth Time Query
Jan. 15, 2022 Multiply and Rotate
Jan. 15, 2022 MST + 1
Jan. 15, 2022 Variety of Digits
Jan. 15, 2022 Gardens
Jan. 15, 2022 Painting Weighted Graph
Jan. 8, 2022 Weird Function
Jan. 8, 2022 Longest Segment
more

Running contests