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Problem Category Points AC % ▾ Users
ICPC NAQ 2015 A - All About That Base ICPC 7 6.8% 4
An Animal Contest 4 P4 - Reindeer Racing AAC 10p 6.8% 71
Wesley's Anger Contest 4 Problem 4 - The Almighty Acorn WAC 35p 6.8% 4
Mock CCC '19 Contest 2 S4 - Tudor Walks Among the Goats Mock CCC 25p 6.8% 8
NOI '22 Multi-Provincial Team Selection P5 - Bracket China NOI 35p 6.8% 6
Mock CCC '19 Contest 2 S5 - Tudor Takes Pictures of Goats Mock CCC 15 6.8% 14
WC '15 Contest 2 S4 - The Force Awakens (Senior) Woburn Challenge 30p 6.8% 13
CCO '23 P4 - Flip it and Stick it CCO 17p 6.8% 53
Wesley's Anger Contest 4 Problem 7 - Squirrel Cities WAC 25p 6.8% 30
IOI '15 P2 - Scales IOI 25p 6.8% 23
Return of the Digger Uncategorized 15p 6.8% 15
CCC '96 S2 - Divisibility by 11 CCC 7 6.8% 179
DMOPC '20 Contest 5 P3 - Bottom Row DMOPC 15p 6.7% 41
BSSPC '21 S4 - Child Prodigy Chadstin Uncategorized 17p 6.7% 25
Spring Coding Bowl '22 P4 - Circle Game Uncategorized 15p 6.7% 10
DMOPC '20 Contest 3 P5 - Tower of Power DMOPC 25p 6.7% 67
Athena on Zanzibar Island Olympiads School 12p 6.7% 31
TLE '17 Contest 2 P4 - ECOO TLE 20p 6.7% 6
Anti-Fire Fox Uncategorized 25p 6.7% 2
COI '12 #1 Hiperprostor COCI 20p 6.7% 1
BPC 1 S2 - Train Commute Uncategorized 12p 6.6% 47
Yet Another Contest 4 P6 - No More Solitaire YAC 20p 6.6% 23
TLE '17 Contest 5 P4 - Cloning TLE 15p 6.6% 18
Riolku's Mock CCC S5 - Keen Keener Multiset Mock CCC 25p 6.6% 13
WC '01 Suicidal P4 - Big Brother Woburn Challenge 15 6.6% 4
IOI '00 P6 - Building with Blocks IOI 20p 6.6% 7
DMOPC '20 Contest 2 P5 - Majority Subarrays DMOPC 25p 6.6% 21
The Fox and the Wolf Uncategorized 15p 6.6% 7
DMOPC '19 Contest 6 P5 - University Math DMOPC 30p 6.6% 11
COI '19 #1 Paint COCI 40p 6.5% 8
The Codefather Uncategorized 15p 6.5% 20
New Year's '17 P8 - Boxen in Boxen Seasonal 25 6.5% 11
Another Contest 1 Problem 2 - Graphs ACC 15 6.5% 76
COI '11 #2 Mjesec COCI 30p 6.5% 1
CEOI '22 P3 - Prize CEOI 25p 6.5% 25
Hello, World! (Hard) Uncategorized 0 6.4% 592
APIO '18 P1 - New Home APIO 25 6.4% 9
CEOI '22 P6 - Parking CEOI 30p 6.4% 7
IOI '20 P1 - Comparing Plants IOI 40p 6.4% 17
TLE '16 Contest 6 (Mock CCC) S4 - Bubble Sort TLE 25p 6.4% 11
CCO Preparation Test 7 P1 - Game of Stone Mock CCO 20p 6.4% 3
DMOPC '23 Contest 1 P4 - Wandering Walk DMOPC 17p 6.4% 54
GlobeX Cup '19 S2 - Predicting Collisions Uncategorized 7p 6.3% 69
DMOPC '21 Contest 7 P5 - King's Commands DMOPC 35p 6.3% 6
UTS Open '21 P6 - Terra Mater Uncategorized 25p 6.3% 15
WC '97 P5 - Encoding Grid Woburn Challenge 20 6.3% 1
NOI '09 P2 - Little G the Poet China NOI 25p 6.2% 12
NOI '12 P3 - Magic Chessboard China NOI 40p 6.2% 10
WC '02 P3 - The Big Book of Recipes Woburn Challenge 10 6.2% 5
DMOPC '21 Contest 5 P6 - Permutations & Primes DMOPC 25p 6.2% 20