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Problem Category Points AC % ▾ Users
WC '15 Finals S5 - Supply Chain Woburn Challenge 30p 9.8% 2
CCO '09 P3 - Beware the Geoducks CCO 10 9.8% 34
NOI '21 P3 - Celebration China NOI 25p 9.7% 22
Valentine's Day '19 S5 - A Top Tree Problem Uncategorized 25p 9.7% 10
DMOPC '19 Contest 1 P4 - A Strange Graph DMOPC 15p 9.7% 17
COCI '20 Contest 5 #3 Magenta COCI 12p 9.7% 27
GlobeX Cup '19 S4 - Ninjaclasher's Wrath 2 Uncategorized 25p 9.7% 13
DMOPC '20 Contest 6 P6 - Dumping Buckets DMOPC 25p 9.7% 18
WC '17 Finals S4 - Ultimatum Woburn Challenge 17p 9.7% 11
ICPC NEERC 2012 C - Caravan Robbers ICPC 10 9.7% 23
MCIPC Contest 2 P4 - Wreath Uncategorized 7p 9.6% 8
COCI '14 Contest 6 #6 WTF COCI 20p 9.6% 6
TSOC '15 Contest 2 #6 - All-Out War! TSOC 15p 9.6% 70
COCI '23 Contest 3 #4 Restorani COCI 20p 9.6% 5
TLE '17 Contest 3 P6 - Donut Coupons TLE 25p 9.6% 8
Back To School '16: Times Table Seasonal 17p 9.6% 54
Baltic OI '05 P2 - LISP Baltic OI 7 9.6% 34
WC '15 Contest 3 J3 - Red Sun Simulator Woburn Challenge 10p 9.6% 25
CCC '98 S4 - Lottery CCC 10 9.6% 92
IOI '19 P6 - Sky Walking IOI 40p 9.6% 12
Mock CCO '18 Contest 3 Problem 1 - Roger Meets For DMPG Mock CCO 15p 9.6% 12
TLE '16 Contest 5 P4 - Engineering Test TLE 12p 9.6% 19
ECOO '19 R1 P4 - Bus Route ECOO 12 9.6% 12
CEOI '22 P5 - Measures CEOI 20p 9.5% 28
IOI '13 P3 - Wombats (Standard I/O) IOI 40p 9.5% 60
Triway Cup '18 Summer A - Arranged Marriage Seasonal 7 9.5% 52
CCO '17 P2 - Cartesian Conquest CCO 20p 9.4% 55
APIO '13 P1 - Robots APIO 20p 9.4% 11
JOI '23 Open P3 - Garden JOI 12p 9.4% 5
TLE '16 Contest 8 P4 - Delivery Service TLE 17p 9.4% 61
CCO Preparation Test 5 P3 - Minimum Cycle Mock CCO 15p 9.4% 9
Singularity Cup P3 - Interplanetary Travel Uncategorized 15p 9.4% 98
Baltic OI '03 P1 - Barrel Baltic OI 10p 9.4% 5
NOI '21 P4 - Quantum Communication China NOI 25p 9.4% 22
CEOI '19 P5 - Magic Tree CEOI 20p 9.3% 34
Lyndon's Golf Contest 1 P6 - Alphanumeric Perl Uncategorized 0p 9.3% 9
DMOPC '14 Contest 5 P6 - Nia and Dominoes DMOPC 20p 9.3% 9
NOI '14 P2 - Enchanted Forest China NOI 20p 9.3% 59
IOI '13 P6 - Game IOI 25p 9.3% 80
UTS Open '18 P7 - Gossip Network Uncategorized 25p 9.2% 34
Factors Uncategorized 7 9.2% 46
More German Nouns Uncategorized 7 9.2% 54
ECOO '21 P6 - Problematic Pathways ECOO 30p 9.2% 4
DMOPC '21 Contest 8 P5 - Tree Building DMOPC 25p 9.2% 33
Mock CCC '20 Contest 1 J3 - A Geometry Problem Mock CCC 3p 9.2% 290
CCO '20 P6 - Shopping Plans CCO 30p 9.2% 40
WC '18 Contest 4 S4 - Super Luigi Odyssey Woburn Challenge 25p 9.2% 4
Wesley's Anger Contest 6 Problem 6 (Easy Version) - Santa's Candy Factory WAC 20p 9.1% 31
Mailing Origami Uncategorized 20 9.1% 67
CPC '19 Contest 1 P5 - A Puzzlingly Puzzling Puzzle Problem 😎 Uncategorized 17p 9.1% 9