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Problem Category Points AC % ▾ Users
Mailing Origami Uncategorized 20 9.1% 67
CPC '19 Contest 1 P5 - A Puzzlingly Puzzling Puzzle Problem 😎 Uncategorized 17p 9.1% 9
ICHB Selection Contest '17 Problem 1 - Airship Fights (Correct Version) Uncategorized 30p 9.1% 2
Pipe Dream Uncategorized 15 9.1% 6
ICPC SWERC 2017 I - Burglary ICPC 20 9.1% 1
Baltic OI '10 P6 - Mines Baltic OI 15p 9.1% 1
Baltic OI '03 P3 - Table Baltic OI 10p 9.1% 2
DMOPC '22 Contest 2 P6 - Yogyakarta Elevators DMOPC 25p 9.1% 32
Non-constructive Constant Time Algorithm Fun Math 20 9.1% 2
COCI '23 Contest 4 #3 Lepeze COCI 25p 9.1% 5
DMOPC '21 Contest 6 P4 - Colourful Paths DMOPC 15p 9.1% 98
Dominoes Uncategorized 25 9.1% 49
TLE '17 Contest 8 P1 - Artificial Intelligence TLE 7p 9.1% 58
COCI '15 Contest 2 #3 Artur COCI 10p 9.1% 27
NOI '05 P3 - Wisdom Beads Game China NOI 25p 9.1% 15
NOI '08 P1 - Masquerade Party China NOI 15p 9.1% 23
DMOPC '19 Contest 1 P5 - Broken String DMOPC 17 9.0% 32
DMPG '17 B3 - Heroes DMOPC 5p 9.0% 33
SGS Programming Challenge P5 - Tree After School Uncategorized 20p 9.0% 7
BlueBook - Change BlueBook 3 9.0% 195
Mock CCC '14 S4 - Roadtrip Tracking Mock CCC 15p 9.0% 57
NOI '20 P3 - Tears China NOI 40p 9.0% 8
CCO '14 P6 - Gates CCO 40p 9.0% 13
IOI '16 P3 - Shortcut IOI 40p 9.0% 15
ECOO '17 R1 P4 - Almost Sorted ECOO 7p 9.0% 58
BPC 1 S6 - Painters Uncategorized 30p 9.0% 9
APIO '23 P1 - Cyberland APIO 17p 9.0% 32
WC '95 P1 - Coded Message Woburn Challenge 7 8.9% 54
CCC '20 S3 - Searching for Strings CCC 12p 8.9% 840
NOI '04 P3 - Manhattan China NOI 25p 8.9% 15
IOI '98 P1 - Contact IOI 10p 8.9% 58
ECOO '14 R2 P1 - Scratch and Win ECOO 5p 8.9% 37
COCI '15 Contest 3 #4 Slon COCI 12p 8.9% 18
IOI '15 P3 - Teams IOI 35p 8.8% 34
DMOPC '16 Contest 3 P2 - Starstruck Squeeze DMOPC 10p 8.8% 106
TLE '16 Contest 6 (Mock CCC) J1 - Paper Printing TLE 3p 8.8% 101
DMOPC '21 Contest 2 P3 - Divisions DMOPC 12p 8.8% 78
RGPC '18 P2 - Performance Points Uncategorized 5 8.8% 75
You Might be a Redneck Uncategorized 10p 8.8% 20
DMOPC '21 Contest 8 P6 - Castle Building DMOPC 40p 8.7% 15
TLE '17 Contest 8 P4 - Gamma Waves TLE 20p 8.7% 19
COCI '21 Contest 6 #2 Zemljište COCI 10p 8.7% 34
CCCJQR P3 Seasonal 7 8.7% 157
DMPG '17 S4 - Artillery Battery DMOPC 15p 8.7% 8
WC '16 Contest 1 J2 - Frankenstein's Monster Woburn Challenge 5 8.7% 75
WOSS Dual Olympiad 2023 Team Round P3: Choosing Edges Uncategorized 12 8.7% 10
Fast LCA (Hard) Uncategorized 17 8.7% 7
COCI '12 Contest 4 #6 Akvarij COCI 25p 8.7% 2
NOI '21 P1 - Light Heavy Edges China NOI 25p 8.7% 25
Mock CCC '22 1 S4 - Berkeley Math Tournament Statistics Mock CCC 20p 8.7% 31