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941 contest(s) 4,659 accounts(s)

Country distribution

N Country Participants
number
1
Japan 		169

Most top

N Handle T1 T2 T3 T10
1
Min_25 		48 22 18 73
2
uwi 		42 41 27 136
3
hos-lyric 		42 32 31 90
4
rng_58 		20 3 2 1
5
semiexp 		16 11 13 40
6
hirose 		5 5 11 32
7
hitoare 		4 7 6 40
8
hidesugar 		3 · 1 24
9
LayCurse 		2 4 2 14
10
jun0 		1 1 1 3
more

Most participations

N Handle Contests
count
1
uwi 		583
2
utomaya 		563
3
haruya 		419
4
rokusuke 		253
5
hos-lyric 		246
6
inamori 		246
7
Min_25 		220
8
hitoare 		187
9
triceps 		164
10
maikaze 		148
more

Most recent activity

N Handle Last
activity
1
haruya 		March 16, 2025
2
hos-lyric 		March 16, 2025
3
utomaya 		March 16, 2025
4
hitoare 		March 16, 2025
5
Hemimor 		March 16, 2025
6
shobonvip 		March 16, 2025
7
rokusuke 		March 9, 2025
8
semiexp 		March 9, 2025
9
Kude 		March 9, 2025
10
uwi 		March 1, 2025
more

Problems

Date Name
March 16, 2025 Peerless Trees
March 9, 2025 Rolling Square
March 1, 2025 Unlucky Primes
Feb. 22, 2025 Paper Cutting
Feb. 15, 2025 $2025$
Feb. 8, 2025 Totient Graph
Feb. 2, 2025 The Gathering
Jan. 26, 2025 Odd-Run Compositions
Jan. 19, 2025 Cribbage
Jan. 12, 2025 Prime-ary Tree
more

Past contests

End Time Contest
March 16, 2025 Problem 936. Peerless Trees
March 9, 2025 Problem 935. Rolling Square
March 1, 2025 Problem 934. Unlucky Primes
Feb. 22, 2025 Problem 933. Paper Cutting
Feb. 15, 2025 Problem 932. $2025$
Feb. 8, 2025 Problem 931. Totient Graph
Feb. 2, 2025 Problem 930. The Gathering
Jan. 26, 2025 Problem 929. Odd-Run Compositions
Jan. 19, 2025 Problem 928. Cribbage
Jan. 12, 2025 Problem 927. Prime-ary Tree
more

Coming contests

Start Time Contest
March 23, 2025 Problem 937
March 30, 2025 Problem 938
April 5, 2025 Problem 939
April 12, 2025 Problem 940
April 19, 2025 Problem 941
April 26, 2025 Problem 942