Problems

Problem Category Points AC % Users
Allen's Graph Club 7 80.0% 1
A Math Problem (Easy) Club 7 31.1% 9
A Plus B CBOJ 5p 52.7% 23
A Prime Problem Club 7 37.2% 12
A Sum Problem Club 5 40.3% 18
Iceberg Hopping Club 10p 24.5% 7
Close Matchups Club 7p 33.3% 6
Point of Intersection Club 10p 22.9% 6
A Binary Search Problem Club 7 50.0% 1
CBOJ Welcome Contest Problem 1 - Symmetric Encryption CBOJ 5p 26.8% 15
CBOJ Welcome Contest Problem 2 - Eating Candies CBOJ 5p 36.1% 18
CBOJ Welcome Contest Problem 3 - Octomesters CBOJ 7p 28.0% 14
CBOJ Welcome Contest Problem 4 - Remainder Table CBOJ 15p 6.5% 5
CBOJ Fall Contest Problem 1 - Rule of Four CBOJ 7p 32.4% 11
CBOJ Fall Contest Problem 2 - Raking Leaves CBOJ 7p 31.8% 12
CBOJ Fall Contest Problem 3 - Maximum Social Distance CBOJ 12p 15.6% 7
CBOJ Fall Contest Problem 4 - Taking an L CBOJ 12p 29.4% 4
CBOJ Winter Contest Problem 1 - Cyclic Isomers CBOJ 7p 58.1% 13
CBOJ Winter Contest Problem 2 - Suitcase Packing CBOJ 7p 20.4% 12
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard) CBOJ 10 19.6% 6
CBOJ Winter Contest Problem 3 - Stacking Spacers CBOJ 12p 27.4% 12
CBOJ Winter Contest Problem 4 - Paint.NET CBOJ 12p 18.8% 10
CBOJ Exec Selection Contest Problem 1 - Networking CBOJ 12p 50.0% 8
CBOJ Exec Selection Contest Problem 2 - Pretty Sequence CBOJ 15p 5.4% 3
CBOJ Exec Selection Contest Problem 3 - Lucky Modulo 7 CBOJ 15p 23.0% 5
CBOJ Exec Selection Contest Problem 4 - Bob and Books CBOJ 15p 10.3% 4
CBOJ Exec Selection Contest Problem 5 - Interesting Words CBOJ 15p 23.9% 4
CBOJ Exec Selection Contest Problem 6 - Cult CBOJ 17p 18.8% 3
CCC '03 S5 - Trucking Troubles CCC 15p 66.7% 2
CCC '15 J5 - π-day CCC 15p 42.1% 6
CCC '19 J5 - Rule of Three CCC 15p 38.9% 5
CCC '19 S3 - Arithmetic Square CCC 15p 7.8% 4
CCC '20 S2 - Escape Room CCC 15p 21.7% 7
CCC '20 S3 - Searching for Strings CCC 15p 14.9% 7
CCC '20 S3 Easy - Searching for Strings CCC 12p 68.6% 6
CCC '21 S1 - Crazy Fencing CCC 5 37.1% 9
CCC '21 S2 - Modern Art CCC 7p 31.4% 5
CCC '21 S3 - Lunch Concert CCC 10p 100.0% 4
CCC '21 S4 - Daily Commute CCC 12p 66.7% 2
CCC '21 S5 - Math Homework CCC 12p 41.2% 4
Subarray Sums CBOJ 7p 8.6% 5
ECOO 2015 R1 P4 - Neanderthal Numbers ECOO 12 61.1% 4
ECOO 2016 R2 P1 - Palindrome Panic ECOO 12 75.0% 2
ECOO 2018 R2 P3 - Factorial ECOO 12 33.3% 3
Count Divisors Club 5 22.1% 12
Count Divisors (Extreme) CBOJ 15 9.3% 6
A Fenwick Tree Problem Club 15p 25.5% 4
Graph Theory: Intro Club 5 42.1% 9
Graph Theory: Connectivity Club 10 45.2% 9
Graph Theory: Shortest Path Club 10 28.8% 9