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k_san

Candidate MasterCertified

한국디지털미디어고등학교Since May 4, 2026

External accounts

Codeforcesk_san AtCoderksan205 Discordk_san

k_san's authored problems Submission history

「【코딩】의 마법을 지닌 마법소녀」

그림 ·ともえ캐릭터 출처 ·solved.ac배경 출처 ·Acacia

Current rating

1,986

-55

Peak 2,041 · Top 8.6%

TRAINEE IV40.02 Power

Solved problems

Titles

KOI 2023 Round 2 Gold Medal (Middle)KOI 2024 Round 2 Gold Medal (Middle)

local_fire_departmentStreak

Current 0 days

SMTWTFS

Rating history

= 1469 (+269), SpecialistRank: 14DOJ Contest 1May 5, 2026, 12:00 PM = 1661 (+192), ExpertRank: 15DOJ Contest 2May 10, 2026, 8:00 PM = 1739 (+78), ExpertRank: 20DOJ Beginner Contest 1May 17, 2026, 5:00 AM = 1926 (+187), Candidate MasterRank: 10KOI 2nd Round Mock 1 [High]May 22, 2026, 6:00 PM = 1963 (+37), Candidate MasterRank: 19DOJ Beginner Contest 2May 30, 2026, 1:00 PM = 1965 (+2), Candidate MasterRank: 23DOJ Beginner Contest 3Jun 14, 2026, 7:00 PM = 1993 (+28), Candidate MasterRank: 16KOI 2nd Round Mock 2 [High]Jul 17, 2026, 9:00 AM = 1971 (-22), Candidate MasterRank: 27EZ Contest Day 1Jul 25, 2026, 9:00 AM = 1867 (-104), Candidate MasterRank: 50DOJ Beginner Contest 6Aug 30, 2026, 10:00 AM = 1907 (+40), Candidate MasterRank: 17DOJ Contest 6Sep 4, 2026, 6:00 PM = 1979 (+72), Candidate MasterRank: 19DOJ Beginner Contest 7Sep 6, 2026, 10:00 AM = 1962 (-17), Candidate MasterRank: 36DOJ Beginner Contest 8Sep 13, 2026, 10:00 AM = 2040 (+78), MasterRank: 6DOJ Grand Contest 1 (Div 2)Sep 24, 2026, 10:00 AM = 2041 (+1), MasterRank: 25DOJ Beginner Contest 10Sep 27, 2026, 10:00 AM = 1986 (-55), Candidate MasterRank: 26DOJ Contest 7Sep 28, 2026, 10:00 AM

OctNovDec2026FebMarAprMayJunJulAugSepOct

Longest solve streak: 4 days

1-23-56-910-14Freeze

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

Participation history

22 total

제3회 흐즈로컵 (The 3rd Chromate Cup) Heuristic DivisionUnrated

Oct 9, 2026, 12:00 AM

DOJ Contest 7Window

Sep 28, 2026, 10:00 AM

Score 548Rank 26

DOJ Beginner Contest 10Window

Sep 27, 2026, 10:00 AM

Score 1500Rank 25

AI slop 2Unrated

Sep 25, 2026, 2:40 AM

Score 30813100Rank 11

DOJ Grand Contest 1 (Div 1)Window

Sep 24, 2026, 10:00 AM

DOJ Grand Contest 1 (Div 2)Window

Sep 24, 2026, 10:00 AM

Score 454Rank 6

DOJ Beginner Contest 8Window

Sep 13, 2026, 10:00 AM

Score 612Rank 36

BCD 4Virtual

Sep 8, 2026, 8:06 PM

DOJ Beginner Contest 7Window

Sep 6, 2026, 10:00 AM

Score 619Rank 19

1st SSAL Olympiad in InformaticsVirtual

Sep 5, 2026, 6:13 PM

DOJ Contest 6Window

Sep 4, 2026, 6:00 PM

Score 203Rank 17

DOJ Contest 5Virtual

Sep 2, 2026, 7:57 PM

DOJ Beginner Contest 6Window

Aug 30, 2026, 10:00 AM

Score 300Rank 50

EZ Contest Day 1Window

Jul 25, 2026, 9:00 AM

Score 17Rank 27

KOI 2nd Round Mock 2 [High]Window

Jul 17, 2026, 9:00 AM

Score 200Rank 16

아니메컵 3기 ~2시에 코딩을 하는 건 이상해!~Rated

Jul 4, 2026, 2:00 PM

Score 100Rank 150

DOJ Beginner Contest 3Window

Jun 14, 2026, 7:00 PM

Score 631Rank 23

DOJ Beginner Contest 2Window

May 30, 2026, 1:00 PM

Score 600Rank 19

KOI 2nd Round Mock 1 [High]Window

May 22, 2026, 6:00 PM

Score 285Rank 10

DOJ Beginner Contest 1Window

May 17, 2026, 5:00 AM

Score 400Rank 20

DOJ Contest 2Rated

May 10, 2026, 8:00 PM

Score 174Rank 15

DOJ Contest 1Rated

May 5, 2026, 12:00 PM

Score 300Rank 14