Problems

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Problem Category Points AC % Users
A Dynamic Programming Problem Club 20 3.8% 2
Allen's Graph Club 7 25.0% 7
A Math Problem (Easy) Club 7 30.3% 18
A Plus B CBOJ 5p 58.2% 43
A Prime Problem Club 12 1.9% 2
A Sum Problem Club 5 24.2% 29
Iceberg Hopping Club 10p 11.4% 9
Close Matchups Club 7p 25.0% 8
Point of Intersection Club 10p 14.0% 7
A Binary Search Problem Club 7 21.3% 8
CBOJ Welcome Contest Problem 1 - Symmetric Encryption CBOJ 5p 28.2% 22
CBOJ Welcome Contest Problem 2 - Eating Candies CBOJ 5p 39.0% 24
CBOJ Welcome Contest Problem 3 - Octomesters CBOJ 7p 26.1% 16
CBOJ Welcome Contest Problem 4 - Remainder Table CBOJ 15p 5.6% 5
CBOJ Fall Contest Problem 1 - Rule of Four CBOJ 7p 31.0% 16
CBOJ Fall Contest Problem 2 - Raking Leaves CBOJ 7p 27.5% 18
CBOJ Fall Contest Problem 3 - Maximum Social Distance CBOJ 12p 16.0% 10
CBOJ Fall Contest Problem 4 - Taking an L CBOJ 12p 31.9% 7
CBOJ Winter Contest Problem 1 - Cyclic Isomers CBOJ 7p 47.7% 19
CBOJ Winter Contest Problem 2 - Suitcase Packing CBOJ 7p 21.2% 15
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard) CBOJ 10 21.2% 7
CBOJ Winter Contest Problem 3 - Stacking Spacers CBOJ 12p 23.9% 16
CBOJ Winter Contest Problem 4 - Paint.NET CBOJ 12p 22.4% 14
CBOJ 2022 Spring Contest Problem 1 - KMP CBOJ 3 34.6% 17
CBOJ 2022 Spring Contest Problem 2 - Allen's Asparagus CBOJ 5 14.9% 7
CBOJ 2022 Spring Contest Problem 3 - Martin's Monochromatic Marbles CBOJ 7p 28.3% 5
CBOJ 2022 Spring Contest Problem 4 - Allen's Automata CBOJ 15p 11.8% 3
CBOJ 2022 Spring Contest Problem 5 - Draw me a Mountain Range CBOJ 17p 43.8% 3
CBOJ Exec Selection Contest Problem 1 - Networking CBOJ 12p 27.1% 12
CBOJ Exec Selection Contest Problem 2 - Pretty Sequence CBOJ 15p 6.0% 5
CBOJ Exec Selection Contest Problem 3 - Lucky Modulo 7 CBOJ 15p 25.7% 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 24.7% 5
CBOJ Exec Selection Contest Problem 6 - Cult CBOJ 17p 17.0% 3
CBOJ 2022 Welcome Contest Problem 1 - Kernel Bye Computer Science Lovers Club 3 53.1% 14
CBOJ 2022 Welcome Contest Problem 2 - First Day of School Club 5 29.7% 10
CBOJ 2022 Welcome Contest Problem 3 - Suspicious Cells Club 5 70.0% 10
CBOJ 2022 Welcome Contest Problem 4 - Highest Weight Path Club 7p 19.4% 7
CCC '03 S5 - Trucking Troubles CCC 15p 29.4% 5
CCC '15 J5 - π-day CCC 15p 41.1% 14
CCC '19 J5 - Rule of Three CCC 15p 39.5% 6
CCC '19 S3 - Arithmetic Square CCC 15p 7.6% 4
CCC '20 S2 - Escape Room CCC 12p 12.4% 12
CCC '20 S3 - Searching for Strings CCC 15p 17.0% 9
CCC '20 S3 Easy - Searching for Strings CCC 12p 64.4% 9
CCC '21 S1 - Crazy Fencing CCC 5 44.3% 22
CCC '21 S2 - Modern Art CCC 7p 32.8% 12
CCC '21 S3 - Lunch Concert CCC 10p 71.4% 5
CCC '21 S4 - Daily Commute CCC 12p 66.7% 2
CCC '21 S5 - Math Homework CCC 12p 47.4% 6