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Problem Category Points ▾ AC % Users
WAC - The Almighty Acorn WAC 35p 4.8% 2
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 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 30.6% 2
WAC - Triangle: The Root of All Evil WAC 15p 71.4% 3
Palindrome 3 - Longest Palindrome (Hard) CBOJ 15 17.3% 5
Count Divisors (Extreme) CBOJ 15 6.5% 7
CBOJ Welcome Contest Problem 4 - Remainder Table CBOJ 15p 5.7% 6
Perfectly Even Numbers (Extreme) Club 15 14.0% 9
CCC '19 J5 - Rule of Three CCC 15p 39.2% 7
CCC '15 J5 - π-day CCC 15p 34.3% 18
CCC '03 S5 - Trucking Troubles CCC 15p 32.0% 8
CCC '19 S3 - Arithmetic Square CCC 15p 6.9% 5
CCC '20 S3 - Searching for Strings CCC 15p 16.0% 12
A Fenwick Tree Problem Club 15p 13.1% 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 18.6% 7
CBOJ Exec Selection Contest Problem 5 - Interesting Words CBOJ 15p 22.0% 5
CBOJ 2022 Spring Contest Problem 4 - Allen's Automata CBOJ 15p 11.5% 5
A Prime Problem Club 12 1.0% 2
CBOJ Fall Contest Problem 4 - Taking an L CBOJ 12p 27.6% 7
CBOJ Fall Contest Problem 3 - Maximum Social Distance CBOJ 12p 13.9% 11
Graph Theory: Weighted Graph Club 12 17.3% 10
CBOJ Winter Contest Problem 4 - Paint.NET CBOJ 12p 16.0% 14
CBOJ Winter Contest Problem 3 - Stacking Spacers CBOJ 12p 23.2% 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 42.3% 8
CCC '20 S3 Easy - Searching for Strings CCC 12p 64.2% 14
ECOO 2016 R2 P1 - Palindrome Panic ECOO 12 32.4% 4
ECOO 2015 R1 P4 - Neanderthal Numbers ECOO 12 68.2% 7
ECOO 2018 R2 P3 - Factorial ECOO 12 40.9% 6
CBOJ Exec Selection Contest Problem 1 - Networking CBOJ 12p 26.0% 12
Zeyu and Fireworks CBOJ 12p 17.1% 3
CBOJ Exec Selection Contest 2 Problem 5 - Obligatory Data Structure Problem Club 12 8.8% 3
Iceberg Hopping Club 10p 12.2% 10
Point of Intersection Club 10p 14.4% 8
Graph Theory: Connectivity Club 10 34.2% 20
Graph Theory: Shortest Path Club 10 36.9% 19
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard) CBOJ 10 18.7% 10
CCC '21 S3 - Lunch Concert CCC 10p 52.6% 9
Making a Necklace Club 10p 25.5% 7
Placing Kings Club 10p 60.2% 13
CB Open 2024 Problem 4 - A Perfect Contest CBOJ 10 32.3% 5
CBOJ 2023 Welcome Contest Problem 4 - A Dream Problem CBOJ 10 12.5% 4
Numbers On A Whiteboard CBOJ 10 15.4% 3
Santa's Route CBOJ 10 15.6% 3