Problems

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Problem Category Points AC % Users
A Dynamic Programming Problem Club 20 3.1% 2
Allen's Graph Club 7 31.1% 9
A Math Problem (Easy) Club 7 24.9% 41
A Plus B CBOJ 5p 49.3% 32
A Prime Problem Club 12 1.2% 2
A Sum Problem Club 5 20.5% 24
Iceberg Hopping Club 10p 19.5% 7
Close Matchups Club 7p 26.2% 8
Point of Intersection Club 10p 13.9% 6
A Binary Search Problem Club 7 16.1% 7
CBOJ Welcome Contest Problem 1 - Symmetric Encryption CBOJ 5p 19.1% 14
CBOJ Welcome Contest Problem 2 - Eating Candies CBOJ 5p 38.5% 17
CBOJ Welcome Contest Problem 3 - Octomesters CBOJ 7p 17.4% 40
CBOJ Welcome Contest Problem 4 - Remainder Table CBOJ 15p 5.0% 4
CBOJ Fall Contest Problem 1 - Rule of Four CBOJ 7p 35.4% 11
CBOJ Fall Contest Problem 2 - Raking Leaves CBOJ 7p 20.5% 13
CBOJ Fall Contest Problem 3 - Maximum Social Distance CBOJ 12p 12.0% 7
CBOJ Fall Contest Problem 4 - Taking an L CBOJ 12p 23.2% 4
CBOJ Winter Contest Problem 1 - Cyclic Isomers CBOJ 7p 43.1% 10
CBOJ Winter Contest Problem 2 - Suitcase Packing CBOJ 7p 20.0% 9
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard) CBOJ 10 20.4% 7
CBOJ Winter Contest Problem 3 - Stacking Spacers CBOJ 12p 22.2% 8
CBOJ Winter Contest Problem 4 - Paint.NET CBOJ 12p 12.7% 7
CBOJ 2022 Spring Contest Problem 1 - KMP CBOJ 3 33.8% 13
CBOJ 2022 Spring Contest Problem 2 - Allen's Asparagus CBOJ 5 14.3% 5
CBOJ 2022 Spring Contest Problem 3 - Martin's Monochromatic Marbles CBOJ 7p 22.2% 4
CBOJ 2022 Spring Contest Problem 4 - Allen's Automata CBOJ 15p 10.1% 4
CBOJ 2022 Spring Contest Problem 5 - Draw me a Mountain Range CBOJ 17p 30.0% 2
CBOJ Exec Selection Contest 2 Problem 1 - Vowels Club 3 41.2% 10
CBOJ Exec Selection Contest 2 Problem 2 - Patryk and Primes Club 5 26.2% 7
CBOJ Exec Selection Contest 2 Problem 3 - Anita's Array Club 7 20.7% 5
CBOJ Exec Selection Contest 2 Problem 4 - George's Graph Club 10 40.0% 3
CBOJ Exec Selection Contest 2 Problem 5 - Obligatory Data Structure Problem Club 12 10.5% 3
CBOJ Exec Selection Contest Problem 1 - Networking CBOJ 12p 25.9% 7
CBOJ Exec Selection Contest Problem 2 - Pretty Sequence CBOJ 15p 5.8% 4
CBOJ Exec Selection Contest Problem 3 - Lucky Modulo 7 CBOJ 15p 17.6% 5
CBOJ Exec Selection Contest Problem 4 - Bob and Books CBOJ 15p 11.0% 4
CBOJ Exec Selection Contest Problem 5 - Interesting Words CBOJ 15p 19.8% 3
CBOJ Exec Selection Contest Problem 6 - Cult CBOJ 17p 18.2% 2
CBOJ 2023 Welcome Contest Problem 1 - Soccer League CBOJ 3 50.0% 9
CBOJ 2023 Welcome Contest Problem 2 - Algebra Homework CBOJ 3 61.5% 8
CBOJ 2023 Welcome Contest Problem 3 - Finding "Amis" CBOJ 5 33.3% 8
CBOJ 2023 Welcome Contest Problem 4 - A Dream Problem CBOJ 10 16.4% 4
CBOJ 2022 Welcome Contest Problem 1 - Kernel Bye Computer Science Lovers Club 3 44.1% 14
CBOJ 2022 Welcome Contest Problem 2 - First Day of School Club 5 25.6% 9
CBOJ 2022 Welcome Contest Problem 3 - Suspicious Cells Club 5 63.6% 10
CBOJ 2022 Welcome Contest Problem 4 - Highest Weight Path Club 7p 15.7% 6
CCC '03 S5 - Trucking Troubles CCC 15p 60.0% 6
CCC '15 J5 - π-day CCC 15p 31.3% 12
CCC '19 J5 - Rule of Three CCC 15p 40.0% 6