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K

kizen

ExpertCertified

No organizationSince July 12, 2026

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kizen's authored problems Submission history

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Current rating

1,622

+161

Peak 1,622 · Top 22.3%

UNRANKED0 Power

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local_fire_departmentStreak

Current 0 days

SMTWTFS

Rating history

= 1461 (+261), SpecialistRank: 12DOJ Contest 4Jul 19, 2026, 8:00 PM = 1622 (+161), ExpertRank: 231st SSAL Olympiad in InformaticsAug 3, 2026, 12:00 PM

OctNovDec2026FebMarAprMayJunJulAugSepOct

Longest solve streak: 1 days

1-23-56-910-14Freeze

Solve activity is counted from 06:00 in Korea time.

Participation history

2 total

1st SSAL Olympiad in InformaticsWindow

Aug 3, 2026, 12:00 PM

DOJ Contest 4Window

Jul 19, 2026, 8:00 PM

Score 700Rank 12