Problems

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Problem Category Points AC % Users
A Dynamic Programming Problem Club 20 3.1% 2
Allen's Graph Club 7 30.8% 11
A Math Problem (Easy) Club 7 22.9% 34
A Plus B CBOJ 5p 47.3% 49
A Prime Problem Club 12 1.0% 2
A Sum Problem Club 5 24.1% 34
Iceberg Hopping Club 10p 12.2% 10
Close Matchups Club 7p 24.6% 10
Point of Intersection Club 10p 14.4% 8
A Binary Search Problem Club 7 15.8% 9
CBOJ Welcome Contest Problem 1 - Symmetric Encryption CBOJ 5p 21.1% 24
CBOJ Welcome Contest Problem 2 - Eating Candies CBOJ 5p 42.4% 28
CBOJ Welcome Contest Problem 3 - Octomesters CBOJ 7p 17.5% 37
CBOJ Welcome Contest Problem 4 - Remainder Table CBOJ 15p 5.7% 6
CBOJ Fall Contest Problem 1 - Rule of Four CBOJ 7p 31.0% 19
CBOJ Fall Contest Problem 2 - Raking Leaves CBOJ 7p 21.5% 21
CBOJ Fall Contest Problem 3 - Maximum Social Distance CBOJ 12p 14.3% 11
CBOJ Fall Contest Problem 4 - Taking an L CBOJ 12p 27.6% 7
CBOJ Winter Contest Problem 1 - Cyclic Isomers CBOJ 7p 46.4% 20
CBOJ Winter Contest Problem 2 - Suitcase Packing CBOJ 7p 21.3% 17
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard) CBOJ 10 18.7% 10
CBOJ Winter Contest Problem 3 - Stacking Spacers CBOJ 12p 23.2% 16
CBOJ Winter Contest Problem 4 - Paint.NET CBOJ 12p 16.0% 14
CBOJ 2022 Spring Contest Problem 1 - KMP CBOJ 3 34.8% 19
CBOJ 2022 Spring Contest Problem 2 - Allen's Asparagus CBOJ 5 12.9% 9
CBOJ 2022 Spring Contest Problem 3 - Martin's Monochromatic Marbles CBOJ 7p 24.2% 7
CBOJ 2022 Spring Contest Problem 4 - Allen's Automata CBOJ 15p 11.5% 5
CBOJ 2022 Spring Contest Problem 5 - Draw me a Mountain Range CBOJ 17p 43.8% 3
CBOJ Exec Selection Contest 2 Problem 1 - Vowels Club 3 36.7% 14
CBOJ Exec Selection Contest 2 Problem 2 - Patryk and Primes Club 5 23.7% 10
CBOJ Exec Selection Contest 2 Problem 3 - Anita's Array Club 7 10.2% 5
CBOJ Exec Selection Contest 2 Problem 4 - George's Graph Club 10 24.2% 3
CBOJ Exec Selection Contest 2 Problem 5 - Obligatory Data Structure Problem Club 12 8.8% 3
CBOJ Exec Selection Contest Problem 1 - Networking CBOJ 12p 26.0% 12
CBOJ Exec Selection Contest Problem 2 - Pretty Sequence CBOJ 15p 6.3% 6
CBOJ Exec Selection Contest Problem 3 - Lucky Modulo 7 CBOJ 15p 18.6% 7
CBOJ Exec Selection Contest Problem 4 - Bob and Books CBOJ 15p 12.1% 6
CBOJ Exec Selection Contest Problem 5 - Interesting Words CBOJ 15p 22.0% 5
CBOJ Exec Selection Contest Problem 6 - Cult CBOJ 17p 16.4% 4
CBOJ 2023 Welcome Contest Problem 1 - Soccer League CBOJ 3 52.2% 12
CBOJ 2023 Welcome Contest Problem 2 - Algebra Homework CBOJ 3 62.5% 10
CBOJ 2023 Welcome Contest Problem 3 - Finding "Amis" CBOJ 5 37.9% 10
CBOJ 2023 Welcome Contest Problem 4 - A Dream Problem CBOJ 10 12.5% 4
CBOJ 2022 Welcome Contest Problem 1 - Kernel Bye Computer Science Lovers Club 3 46.7% 18
CBOJ 2022 Welcome Contest Problem 2 - First Day of School Club 5 26.8% 10
CBOJ 2022 Welcome Contest Problem 3 - Suspicious Cells Club 5 65.2% 11
CBOJ 2022 Welcome Contest Problem 4 - Highest Weight Path Club 7p 16.2% 7
CCC '03 S5 - Trucking Troubles CCC 15p 32.0% 8
CCC '15 J5 - π-day CCC 15p 34.3% 18
CCC '19 J5 - Rule of Three CCC 15p 39.2% 7