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Problem Category Points AC % ▴ Users
Singularity Cup P2 - Reverse Substring Partitioning Uncategorized 10 20.8% 234
CEOI '19 P4 - Amusement Park CEOI 30p 20.8% 7
DMOPC '21 Contest 3 P5 - Crowded Travels DMOPC 20p 20.8% 18
NOIP '21 P4 - Chess China NOI 20p 20.8% 7
Baltic OI '10 P4 - Matching Bins Baltic OI 7p 20.8% 26
EGOI '21 P1 - Zeros EGOI 7p 20.8% 72
Another Contest 6 Problem 4 - A Plus B (Hard) ACC 0p 20.8% 204
DMOPC '18 Contest 4 P2 - Dr. Henri and Responsibility DMOPC 7p 20.8% 384
CCC '06 S3 - Tin Can Telephone CCC 12 20.8% 528
New Year's '17 P5 - The Christmas Swap Seasonal 15 20.8% 51
CCO '06 P2 - R & J CCO 10 20.8% 35
DMOPC '20 Contest 4 P6 - Petty Children DMOPC 25p 20.8% 24
CCCJQR P2 Seasonal 3 20.8% 134
IOI '96 P5 - Longest Prefix IOI 12 20.8% 112
DMPG '16 G4 - Araxxi DMOPC 15p 20.8% 57
IOI '05 P2 - Mean Sequence IOI 12p 20.8% 270
DMOPC '14 Contest 2 P5 - Sawmill Scheme DMOPC 10p 20.8% 447
DMOPC '17 Contest 1 P4 - Quests DMOPC 12p 20.8% 289
DMOPC '19 Contest 7 P4 - Bob and Continued Fractions DMOPC 20p 20.9% 108
DMOPC '17 Contest 4 P4 - Cops and Robbers DMOPC 7p 20.9% 208
NOI '12 P5 - Food Festival China NOI 30p 20.9% 6
ECOO '19 R3 P1 - Chords ECOO 7p 20.9% 46
COCI '18 Contest 6 #4 Simfonija COCI 15p 20.9% 38
TLE '17 Contest 6 P2 - Mr. More-than-perfect TLE 5p 20.9% 71
CCCJQR P5 Seasonal 15p 21.0% 22
DMOPC '15 Contest 7 P5 - Ariadne's Thread DMOPC 17p 21.0% 62
COCI '17 Contest 2 #3 Doktor COCI 10 21.0% 56
JOI '19 Open P1 - Triple Jump JOI 30p 21.0% 13
COCI '10 Contest 2 #3 Igra COCI 7p 21.0% 24
WC '18 Contest 2 J4 - Ammunition Woburn Challenge 7p 21.0% 49
CCC '09 S4 - Shop and Ship CCC 10 21.0% 1034
ETSR '23 Onsite Round 1 Problem 2 - Origami Uncategorized 15p 21.0% 24
Triway Cup '19 Summer E - Solar Power Seasonal 5 21.1% 26
COCI '19 Contest 1 #3 Džumbus COCI 20p 21.1% 30
Figurines Uncategorized 20 21.1% 29
Waterloo 2001 Winter D - Division Waterloo Local 7 21.1% 4
Wesley's Anger Contest 6 Problem 2 - Cheap Christmas Lights WAC 5p 21.1% 234
DMOPC '21 Contest 4 P2 - Festive Groups DMOPC 7p 21.1% 168
APIO '19 P1 - Strange Device APIO 20 21.1% 50
Facebook Hacker Cup '14 Final Round P4 - Tours Uncategorized 25 21.1% 21
An Animal Contest 4 P1 - Dasher's Digits AAC 5p 21.1% 312
BlueBook - Max BlueBook 3 21.1% 448
ACM U of T Tryouts C3 D - A Frightening Evening ICPC 5 21.1% 45
COCI '07 Regional #3 Kuhar COCI 12 21.1% 97
CCO '99 P4 - Maple Roundup CCO 10 21.1% 28
NOIP '18 P3 - Constructing Tracks China NOI 17p 21.1% 37
RTE '16 S3 - School Traversal Uncategorized 7p 21.2% 279
BlueBook - Calculator BlueBook 7 21.2% 143
VM7WC '15 #3 Bronze - M's Theorem! VM7WC 5 21.2% 70
Yet Another Contest 3 P2 - Work Experience YAC 10p 21.2% 68