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Problem Category Points AC % ▾ Users
DWITE '11 R4 #1 - Crossword Count DWITE 5 54.8% 16
COCI '14 Contest 6 #1 Paprika COCI 3p 54.8% 85
JOI '16 Final P2 - Semiexpress JOI 12 54.8% 17
ICPC PACNW 2016 A - Alphabet ICPC 7 54.8% 281
UCC Coding Competition '21 P1 - Counterfeit Detection Uncategorized 3p 54.7% 406
Mock CCC '19 Contest 1 J2 - Pusheen OCR Mock CCC 3p 54.7% 715
PEG Test '14 - Water Uncategorized 3 54.6% 868
WC '17 Finals S1 - An Interspecific Army Woburn Challenge 5p 54.6% 205
IOI '04 P4 - Phidias IOI 10p 54.6% 856
DWITE '10 R3 #2 - Unit rectangles DWITE 5 54.5% 52
CCO '00 P3 - The Game Of 31 CCO 15 54.5% 11
COCI '20 Contest 2 #5 Svjetlo COCI 25p 54.5% 11
ICPC NWERC 2011 C - Movie Collection ICPC 10 54.5% 7
JOI '21 Spring Camp Day 4 P1 - Event Hopping 2 JOI 30p 54.5% 5
BlueBook - Digits and Sums BlueBook 3 54.5% 446
DMOPC '16 Contest 3 P1 - Leading Basic Shots DMOPC 3 54.5% 422
QCC P4 - Genetic Sequencing Uncategorized 5p 54.4% 51
UCRPC F21 D - Stake Your Claim ICPC 10 54.3% 36
BlueBook - Times Tables BlueBook 3 54.3% 1481
CCC '17 J2 - Shifty Sum CCC 3 54.3% 4557
COCI '16 Contest 3 #3 Kroničan COCI 10p 54.2% 49
DMOPC '14 Contest 1 P2 - Tiles DMOPC 3p 54.2% 1270
DWITE '11 R3 #4 - ABCA Maze DWITE 7 54.1% 73
QCC P0 - Thermometer Uncategorized 3 54.1% 165
UCC Coding Competition '20 P2 - Optimal Skiing Uncategorized 3 54.1% 290
Joshua Needs Help Uncategorized 10 54.1% 40
CCC '21 J1 - Boiling Water CCC 3p 54.1% 3139
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube Mock CCC 3p 54.0% 401
ICPC NEERC 2010 A - Alignment of Code ICPC 7 54.0% 21
Educational DP Contest AtCoder K - Stones Uncategorized 10 54.0% 428
Valentine's Day '15 P2 - Simon and Marcy Seasonal 7p 53.9% 664
COCI '07 Contest 6 #1 Parking COCI 5 53.9% 280
Another Contest 9 Problem 1 - Black Room Boy ACC 3 53.9% 165
COCI '09 Contest 4 #2 Planina COCI 5 53.8% 137
COCI '10 Contest 2 #6 Crni COCI 12p 53.8% 6
Baltic OI '10 P2 - Lego Baltic OI 12p 53.8% 4
ACM U of T Tryouts C0 B - Interleaving Leaves ICPC 5 53.8% 681
Wesley's Anger Contest 3 Problem 1 - Snow Day Predictor WAC 3 53.8% 333
UCC Coding Competition '20 P5 - Public Transport Uncategorized 7p 53.8% 163
WC '17 Contest 4 J2 - Anger Management Woburn Challenge 3 53.8% 97
COCI '12 Contest 3 #1 Sahovnica COCI 3 53.8% 45
Educational DP Contest AtCoder I - Coins Uncategorized 10 53.8% 323
Double Doors Regional P1 - Tudor Gets a Goat Uncategorized 3 53.7% 292
Mock DWITE '09 P3 - Trailing Bears! Uncategorized 7 53.7% 52
COCI '11 Contest 1 #1 Jabuke COCI 5p 53.6% 36
CCC '10 S2 - Huffman Encoding CCC 5 53.5% 1568
COCI '17 Contest 3 #4 Portal COCI 12p 53.4% 16
DWITE '07 R5 #4 - Train ride DWITE 7 53.4% 37
CCC '12 S2 - Aromatic Numbers CCC 5 53.4% 1703
ECOO '17 R2 P1 - Wizard's Windows ECOO 5p 53.4% 66