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Problem Category Points AC % ▾ Users
A Times B Uncategorized 20p 15.8% 122
IOI '14 P2 - Wall (Standard I/O) IOI 20p 15.8% 284
CCO '03 P5 - Longest Substring CCO 7p 15.8% 86
COCI '07 Contest 5 #2 Pascal COCI 5 15.8% 188
NOI '10 P2 - Super Piano China NOI 25p 15.8% 149
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem Mock CCO 12p 15.8% 28
JOI '14 Open P6 - Secret JOI 17p 15.8% 116
MWC '15 #8 P3: Draw Down MWC 12p 15.8% 14
CCCHK '15 S3 - Symmetric Cross CCC 12p 15.8% 19
Circular Numbers Uncategorized 10 15.8% 11
Liars Uncategorized 15p 15.8% 9
Yet Another Contest 1 P6 - Alchemy YAC 20p 15.8% 14
CCO '20 P5 - Interval Collection CCO 25p 15.8% 59
CPC '19 Contest 1 P3 - Admiral Kuznetsov Uncategorized 12p 15.8% 76
GFSSOC '15 Fall S4 - Mostly Talking GFSSOC 15p 15.8% 375
SAC '22 Code Challenge 1 P3 - That Pool SAC Coding Challenge 7p 15.8% 76
CPC '21 Contest 1 P5 - AQT and Modern Art Uncategorized 15p 15.8% 45
Bubble Cup V9 A Cowboy Beblop at his computer Bubble Cup 35 15.7% 8
COCI '16 Contest 3 #5 Zoltan COCI 15p 15.7% 22
TSOC '16 Contest 2 #5 - Last Trip to Surface TSOC 20 15.7% 17
NOI '03 P4 - Data Generator China NOI 20p 15.7% 71
TLE '17 Contest 6 P3 - Spencer and Contest TLE 7p 15.7% 61
NOI '10 P3 - Altitude China NOI 20p 15.7% 14
DMPG '16 B6 - Counting Money DMOPC 7p 15.7% 44
APIO '12 P2 - Guard APIO 20p 15.7% 41
SAC '22 Code Challenge 5 P5 - Querying Rectangles SAC Coding Challenge 15p 15.7% 36
NOI '05 P6 - Lemon Tree Under the Moon China NOI 30 15.7% 9
BSSPC '21 J6 - Lakshy and Orz Trees Uncategorized 12 15.7% 81
DMPG '17 B1 - Whale and Soul DMOPC 3 15.7% 177
IOI '05 P4 - Birthday IOI 12p 15.7% 141
New Year's '16 P3 - Arithmetic Snowman Seasonal 5p 15.7% 226
Path Finder Uncategorized 10p 15.7% 98
COCI '11 Contest 2 #4 KompičI COCI 7p 15.6% 25
Singularity Cup P1 - Maximum Permutation Product Uncategorized 5p 15.6% 284
TLE '16 Contest 4 P5 - Buying Gifts TLE 17p 15.6% 18
Matchings POI 30p 15.6% 3
TLE '16 Contest 5 P2 - Playing Piano TLE 10p 15.6% 26
COCI '08 Contest 2 #5 Setnja COCI 7p 15.6% 91
TLE '17 Contest 1 P2 - Willson and Food TLE 5p 15.6% 152
Segment Tree Test Data Structure Tests 15p 15.6% 340
String Finding Uncategorized 5 15.6% 417
WC '02 Suicidal P2 - Klingon Roulette Woburn Challenge 10 15.6% 6
Baltic OI '11 P8 - Tree Mirroring Baltic OI 35p 15.6% 7
Wesley's Anger Contest 4 Problem 3 - Squirrel Tag WAC 12p 15.5% 73
DMOPC '21 Contest 7 P3 - Whack-an-Ishigami DMOPC 12p 15.5% 82
ICPC PACNW 2016 F - Illumination ICPC 12 15.5% 12
CPC '21 Contest 1 P7 - AQT and Quarantine Uncategorized 20p 15.5% 15
IOI '15 P6 - Towns IOI 40p 15.5% 59
IOI '17 P2 - Wiring IOI 25p 15.5% 56
An Animal Contest 2 P3 - Koala Balloons AAC 12p 15.5% 184