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Problem Category Points AC % ▴ Users
GCC '16 P2 - Classified Documents Uncategorized 15p 10.9% 4
ROI '17 P4 - Travel To Metropolis Uncategorized 25p 10.9% 6
A Plus B (Hard) Uncategorized 12 10.9% 318
IOI '21 P2 - Keys IOI 25p 10.9% 14
DMPG '15 S6 - Apples to Oranges DMOPC 17p 11.0% 224
ECOO '17 R1 P2 - Chocolate Chewsday ECOO 5p 11.0% 81
CCC '96 S3 - Pattern Generator CCC 5 11.0% 356
Art Academy III: Sabotage Uncategorized 20p 11.0% 7
COCI '22 Contest 3 #3 Baltazar COCI 17p 11.0% 20
CCO '97 P1 - Palindromes CCO 10 11.0% 22
Baltic OI '07 P2 - Sorting Baltic OI 40p 11.0% 7
COCI '13 Contest 6 #6 Graškrižja COCI 17p 11.0% 12
COCI '13 Contest 2 #5 Paleta COCI 15p 11.0% 24
CCO '06 P6 - Paint by Numbers CCO 30 11.0% 9
DMOPC '20 Contest 2 P4 - Hungry Pigeons DMOPC 15p 11.0% 66
HHPC1 P3 - Yonder Ridge Uncategorized 12p 11.0% 30
CCCHK '08 J4 - Tic-tac-toe CCC 5p 11.1% 108
Mock CCC '20 Contest 1 J4 - A Binary Problem Mock CCC 5p 11.1% 194
Valentine's Day '19 S4 - A Greedy Spouse Uncategorized 15p 11.1% 31
MMCC '15 P3 - Momoka Uncategorized 25p 11.1% 9
DMOPC '15 Contest 5 P6 - Event Horizon DMOPC 25p 11.1% 20
IOI '14 P4 - Gondola IOI 15p 11.1% 99
New Year's '18 P8 - Snowy Streets Seasonal 25p 11.1% 19
WC '16 Contest 2 J2 - EHC Woburn Challenge 7p 11.1% 26
Advanced Battleships Uncategorized 15p 11.1% 32
Baltic OI '06 P5 - RLE Compression Baltic OI 20 11.1% 5
Baltic OI '15 P6 - Tug of War Baltic OI 20p 11.1% 4
COI '13 #2 Histogrami COCI 30p 11.1% 1
Google Code Jam '09 Round 1A Problem B - Crossing the Road Google Code Jam 15p 11.1% 1
Google Code Jam '13 Round 1A Problem B - Manage your Energy Google Code Jam 7p 11.1% 2
Mispelling Uncategorized 3 11.1% 1366
Primes 3 Uncategorized 15p 11.2% 76
WC '15 Contest 1 S2 - Wildcat Wildcards Woburn Challenge 10p 11.2% 65
CCC '00 J1 - Calendar CCC 5 11.2% 1359
Mock CCO '18 Contest 3 Problem 5 - Roger Outsources DMOJ Work Mock CCO 15p 11.2% 8
WC '01 Suicidal P1 - Survivor Woburn Challenge 10 11.2% 14
EGOI '23 P4 - Bikes vs Cars EGOI 20p 11.2% 14
APIO '19 P2 - Bridges APIO 30p 11.2% 49
Mock CCC '18 Contest 3 S5 - A Rage Tree Problem Mock CCC 20p 11.2% 46
DMOPC '20 Contest 7 P6 - Maou and Division DMOPC 25p 11.2% 13
Next Semiprime Uncategorized 10p 11.2% 23
Battleships Uncategorized 10p 11.3% 108
CCO '02 P4 - Duathlon CCO 10 11.3% 38
COCI '19 Contest 3 #4 Lampice COCI 25p 11.3% 34
DMOPC '15 Contest 3 P4 - Contagion DMOPC 12p 11.3% 233
Yet Another Contest 6 P4 - No More Nails! YAC 12p 11.3% 53
DMPG '15 G4 - Spacetime Convergence Cannons DMOPC 17p 11.3% 48
Perl Golf Uncategorized 15p 11.3% 41
Wesley's Anger Contest 3 Problem 5 - Triangle: The Root of All Evil WAC 15p 11.3% 40
Lexicographically Least Substring (Hard) Uncategorized 15 11.3% 183