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1,278 contest(s) 366,008 accounts(s)

Top rating updated 14 hours ago

N Handle Rating
1
i_am_noob 		3134
2
aaaaajack 		2938
3
dreamoon 		2887
4
hank55663 		2850
5
iloveUtaha 		2849
6
shik 		2806
7
eddy1021 		2790
8
johnchen902 		2724
9
tmwilliamlin168 		2723
10
abc864197532 		2602
more

Rating distribution

Country rating updated 2 days, 9 hours ago

N Country Participants
rating
1
Taiwan
3428

Country distribution

N Country Participants
number
1
Taiwan 		2556

Most participations

N Handle Contests
count
1
hank55663 		201
2
iaNTU 		196
3
MarioChao 		180
4
Misuki 		178
5
abc864197532 		176
6
Fysty 		175
7
dreamoon 		166
8
amoshuangyc 		154
9
CSQ24 		144
10
orthogonal 		140
more

Most recent submissions

N Handle Submission
time
1
LemonMatcha 		July 17, 2025
2
HowardLee 		July 16, 2025
3
i_am_noob 		July 16, 2025
4
t6stks 		July 13, 2025
5
hank55663 		July 12, 2025
6
Misuki 		July 12, 2025
7
DB0917 		July 11, 2025
8
blameazu 		July 10, 2025
9
asdfg1021 		July 6, 2025
10
koukanni 		June 29, 2025
more

Most recent activity

N Handle Last
activity
1
mochaowo 		July 20, 2025
2
harrisyu9696 		July 20, 2025
3
warner1129 		July 20, 2025
4
i_am_noob 		July 20, 2025
5
abc864197532 		July 20, 2025
6
Fysty 		July 20, 2025
7
moeka 		July 20, 2025
8
aacpschool 		July 20, 2025
9
Misuki 		July 20, 2025
10
kenkenken48763 		July 20, 2025
more

Most recent rating activity

N Handle Rating
activity
1
ht177970 		July 12, 2025
2
GinLee 		July 12, 2025
3
Destrier 		July 12, 2025
4
JimHsiao 		July 12, 2025
5
LarryHsu 		July 12, 2025
6
tsen_ting_yen 		July 12, 2025
7
EthanHoHoHo 		July 12, 2025
8
linuk 		July 12, 2025
9
chunchen 		July 12, 2025
10
din2009siuc 		July 12, 2025
more

Most writers

N Handle Writers
count
1
dreamoon 		1

Problems

Date Rating Name
July 20, 2025
1683 		Merge and Increment
July 20, 2025
2286 		Japanese "Knight's Tour"
July 20, 2025
2241 		Repunits
July 20, 2025
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
July 20, 2025 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