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Problem Category Points ▾ AC % Users
WAC - The Almighty Acorn WAC 35p 11.4% 2
Supply Drop CBOJ 20p 19.2% 1
A Dynamic Programming Problem Club 20 3.8% 2
CBOJ Exec Selection Contest Problem 6 - Cult CBOJ 17p 16.4% 4
CBOJ 2022 Spring Contest Problem 5 - Draw me a Mountain Range CBOJ 17p 43.8% 3
Mountain, Valley And Repeat CBOJ 17 42.3% 2
WAC - Triangle: The Root of All Evil WAC 15p 71.4% 3
Palindrome 3 - Longest Palindrome (Hard) CBOJ 15 17.5% 5
Count Divisors (Extreme) CBOJ 15 8.2% 7
CBOJ Welcome Contest Problem 4 - Remainder Table CBOJ 15p 6.0% 6
Perfectly Even Numbers (Extreme) Club 15 14.9% 9
CCC '19 J5 - Rule of Three CCC 15p 40.0% 8
CCC '15 J5 - π-day CCC 15p 44.2% 18
CCC '03 S5 - Trucking Troubles CCC 15p 35.0% 7
CCC '19 S3 - Arithmetic Square CCC 15p 7.4% 4
CCC '20 S3 - Searching for Strings CCC 15p 16.0% 12
A Fenwick Tree Problem Club 15p 14.2% 8
CBOJ Exec Selection Contest Problem 2 - Pretty Sequence CBOJ 15p 6.3% 6
CBOJ Exec Selection Contest Problem 4 - Bob and Books CBOJ 15p 12.1% 6
CBOJ Exec Selection Contest Problem 3 - Lucky Modulo 7 CBOJ 15p 24.7% 7
CBOJ Exec Selection Contest Problem 5 - Interesting Words CBOJ 15p 24.7% 5
CBOJ 2022 Spring Contest Problem 4 - Allen's Automata CBOJ 15p 12.1% 5
A Prime Problem Club 12 1.4% 2
CBOJ Fall Contest Problem 4 - Taking an L CBOJ 12p 29.3% 7
CBOJ Fall Contest Problem 3 - Maximum Social Distance CBOJ 12p 14.4% 11
Graph Theory: Weighted Graph Club 12 17.3% 10
CBOJ Winter Contest Problem 4 - Paint.NET CBOJ 12p 16.5% 14
CBOJ Winter Contest Problem 3 - Stacking Spacers CBOJ 12p 23.9% 16
CCC '20 S2 - Escape Room CCC 12p 14.1% 14
CCC '21 S4 - Daily Commute CCC 12p 21.9% 6
CCC '21 S5 - Math Homework CCC 12p 41.7% 7
CCC '20 S3 Easy - Searching for Strings CCC 12p 64.0% 12
ECOO 2016 R2 P1 - Palindrome Panic ECOO 12 73.3% 4
ECOO 2015 R1 P4 - Neanderthal Numbers ECOO 12 68.2% 7
ECOO 2018 R2 P3 - Factorial ECOO 12 36.8% 5
CBOJ Exec Selection Contest Problem 1 - Networking CBOJ 12p 27.1% 12
Zeyu and Fireworks CBOJ 12p 17.1% 3
CBOJ Exec Selection Contest 2 Problem 5 - Obligatory Data Structure Problem Club 12 12.5% 3
Iceberg Hopping Club 10p 12.4% 10
Point of Intersection Club 10p 14.4% 8
Graph Theory: Connectivity Club 10 34.5% 20
Graph Theory: Shortest Path Club 10 36.9% 19
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard) CBOJ 10 17.6% 9
CCC '21 S3 - Lunch Concert CCC 10p 52.6% 9
Making a Necklace Club 10p 28.6% 7
Placing Kings Club 10p 61.9% 12
CBOJ 2023 Welcome Contest Problem 4 - A Dream Problem CBOJ 10 13.0% 5
Numbers On A Whiteboard CBOJ 10 19.0% 3
Santa's Route CBOJ 10 15.6% 3
CBOJ Exec Selection Contest 2 Problem 4 - George's Graph Club 10 24.2% 3