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Problem Category Points ▾ AC % Users
WAC - The Almighty Acorn WAC 35p 3.2% 1
Supply Drop CBOJ 20p 17.4% 1
A Dynamic Programming Problem Club 20 3.1% 2
CBOJ Exec Selection Contest Problem 6 - Cult CBOJ 17p 18.2% 2
CBOJ 2022 Spring Contest Problem 5 - Draw me a Mountain Range CBOJ 17p 30.0% 2
Mountain, Valley And Repeat CBOJ 17 30.6% 2
WAC - Triangle: The Root of All Evil WAC 15p 66.7% 2
Palindrome 3 - Longest Palindrome (Hard) CBOJ 15 12.2% 5
Count Divisors (Extreme) CBOJ 15 3.4% 3
CBOJ Welcome Contest Problem 4 - Remainder Table CBOJ 15p 5.0% 4
Perfectly Even Numbers (Extreme) Club 15 12.1% 6
CCC '19 J5 - Rule of Three CCC 15p 40.0% 6
CCC '15 J5 - π-day CCC 15p 31.3% 12
CCC '03 S5 - Trucking Troubles CCC 15p 60.0% 6
CCC '19 S3 - Arithmetic Square CCC 15p 6.6% 4
CCC '20 S3 - Searching for Strings CCC 15p 15.5% 8
A Fenwick Tree Problem Club 15p 17.6% 7
CBOJ Exec Selection Contest Problem 2 - Pretty Sequence CBOJ 15p 5.8% 4
CBOJ Exec Selection Contest Problem 4 - Bob and Books CBOJ 15p 11.0% 4
CBOJ Exec Selection Contest Problem 3 - Lucky Modulo 7 CBOJ 15p 16.3% 5
CBOJ Exec Selection Contest Problem 5 - Interesting Words CBOJ 15p 19.8% 3
CBOJ 2022 Spring Contest Problem 4 - Allen's Automata CBOJ 15p 10.1% 4
A Prime Problem Club 12 1.2% 2
CBOJ Fall Contest Problem 4 - Taking an L CBOJ 12p 23.2% 4
CBOJ Fall Contest Problem 3 - Maximum Social Distance CBOJ 12p 12.0% 7
Graph Theory: Weighted Graph Club 12 17.4% 8
CBOJ Winter Contest Problem 4 - Paint.NET CBOJ 12p 12.7% 7
CBOJ Winter Contest Problem 3 - Stacking Spacers CBOJ 12p 22.2% 8
CCC '20 S2 - Escape Room CCC 12p 12.4% 10
CCC '21 S4 - Daily Commute CCC 12p 24.0% 5
CCC '21 S5 - Math Homework CCC 12p 44.4% 3
CCC '20 S3 Easy - Searching for Strings CCC 12p 68.2% 10
ECOO 2016 R2 P1 - Palindrome Panic ECOO 12 34.4% 4
ECOO 2015 R1 P4 - Neanderthal Numbers ECOO 12 66.7% 6
ECOO 2018 R2 P3 - Factorial ECOO 12 40.9% 6
CBOJ Exec Selection Contest Problem 1 - Networking CBOJ 12p 25.9% 7
Zeyu and Fireworks CBOJ 12p 17.1% 3
CBOJ Exec Selection Contest 2 Problem 5 - Obligatory Data Structure Problem Club 12 10.0% 3
Iceberg Hopping Club 10p 15.5% 7
Point of Intersection Club 10p 13.1% 6
Graph Theory: Connectivity Club 10 32.9% 14
Graph Theory: Shortest Path Club 10 41.7% 11
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard) CBOJ 10 20.4% 7
CCC '21 S3 - Lunch Concert CCC 10p 38.9% 6
Making a Necklace Club 10p 31.4% 6
Placing Kings Club 10p 64.0% 11
CB Open 2024 Problem 4 - A Perfect Contest CBOJ 10 30.0% 4
CBOJ 2023 Welcome Contest Problem 4 - A Dream Problem CBOJ 10 16.4% 4
Numbers On A Whiteboard CBOJ 10 19.2% 4
Santa's Route CBOJ 10 17.2% 3