atcoder.jp

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1,224 contest(s) 343,453 accounts(s)

Top rating updated 8 hours ago

N Handle Rating
1
umangjain5000
1484
2
wwddz
860
3
d_vishal
691
4
liuqingyang
637
5
GODF1
532
6
kkru
476
7
setn4me
468
8
nsk_91
151
9
Terk
146
10
extra00001
134
more

Rating distribution

Country distribution

N Country Participants
number
1
Andorra
48

Country rating updated 1 day, 12 hours ago

N Country Participants
rating
1
Andorra
297

Most participations

N Handle Contests
count
1
yugyppah
61
2
umangjain5000
27
3
liuqingyang
19
4
Terk
18
5
setn4me
13
6
kkru
9
7
wwddz
7
8
xxxxxx_xx
6
9
nsk_91
6
10
d_vishal
5
more

Most recent activity

N Handle Last
activity
1
JIEXUSHENG
today
2
Pengde
Feb. 14, 2025
3
nsk_91
Feb. 9, 2025
4
lihaoyu114514
Feb. 1, 2025
5
vijewa6347
Dec. 28, 2024
6
ssxa
Dec. 8, 2024
7
humanityio
Nov. 22, 2024
8
kk100
Sept. 7, 2024
9
lameoabba
Aug. 17, 2024
10
puka1
March 30, 2024
more

Most recent rating activity

N Handle Rating
activity
1
lihaoyu114514
Feb. 1, 2025
2
JIEXUSHENG
Dec. 14, 2024
3
kk100
Sept. 7, 2024
4
puka1
March 30, 2024
5
wwddz
March 24, 2024
6
Terk
Dec. 16, 2023
7
humaid
Nov. 18, 2023
8
xxxxxx_xx
Nov. 11, 2023
9
liuqingyang
Oct. 7, 2023
10
ghghgh
Sept. 9, 2023
more

Problems

Date Rating Name
today
0
22222
today
86
cat
today
297
Debug
today
417
Colorful Bracket Sequence
today
1311
Palindromic Shortest Path
today
1438
Alkane
today
1818
Dense Buildings
Feb. 15, 2025
0
Poisonous Oyster
Feb. 15, 2025
36
A..B..C
Feb. 15, 2025
246
Make it Simple
more

Problem rating distribution