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Problem Category Points ▾ AC % Users
CBOJ Exec Selection Contest 2 Problem 4 - George's Graph Club 10 40.0% 3
CB Open 2024 Problem 5 - Stopping Rumours CBOJ 10 33.3% 3
WAC - Squirrel Election WAC 7p 15.8% 4
Palindrome 2 - Longest Palindrome (Easy) CBOJ 7p 28.5% 43
Subarray Sums CBOJ 7p 9.4% 4
CBOJ Welcome Contest Problem 3 - Octomesters CBOJ 7p 18.1% 36
A Math Problem (Easy) Club 7 25.2% 36
Close Matchups Club 7p 27.5% 8
Public Service Announcement Club 7p 40.5% 12
A Difference Array Problem Club 7p 36.4% 6
CBOJ Fall Contest Problem 2 - Raking Leaves CBOJ 7p 23.2% 12
CBOJ Fall Contest Problem 1 - Rule of Four CBOJ 7p 34.4% 10
Fibonacci 2 Club 7 33.8% 11
CBOJ Winter Contest Problem 1 - Cyclic Isomers CBOJ 7p 42.0% 9
CBOJ Winter Contest Problem 2 - Suitcase Packing CBOJ 7p 19.3% 8
CCC '21 S2 - Modern Art CCC 7p 24.2% 9
A Binary Search Problem Club 7 17.2% 8
Allen's Graph Club 7 40.6% 8
CBOJ 2022 Spring Contest Problem 3 - Martin's Monochromatic Marbles CBOJ 7p 22.2% 4
CBOJ 2022 Welcome Contest Problem 4 - Highest Weight Path Club 7p 16.4% 6
The Perfect Gift CBOJ 7p 28.6% 6
CBOJ Exec Selection Contest 2 Problem 3 - Anita's Array Club 7 20.7% 5
CB Open 2024 Problem 1 - Studying for CS146 CBOJ 7 88.9% 5
CB Open 2024 Problem 3 - Another Number Theory Problem CBOJ 7 26.0% 4
CB Open 2024 Problem 2 - Nikola and the Teslas CBOJ 7 53.8% 5
CBOJ Fall Challenge '24 P3 - Domino Tiling CBOJ 7 46.2% 4
CBOJ Fall Challenge '24 P4 - Factor Graph CBOJ 7 12.5% 3
A Plus B CBOJ 5p 49.6% 20
Count Divisors Club 5 25.8% 12
CBOJ Welcome Contest Problem 2 - Eating Candies CBOJ 5p 36.5% 15
CBOJ Welcome Contest Problem 1 - Symmetric Encryption CBOJ 5p 18.8% 11
A Sum Problem Club 5 22.7% 19
Graph Theory: Intro Club 5 26.6% 10
Fibonacci 1 Club 5 76.1% 14
Perfectly Even Numbers Club 5 21.8% 11
CCC '21 S1 - Crazy Fencing CCC 5 45.7% 11
Zeyu and Addition CBOJ 5 52.8% 8
Zeyu and Prefixes CBOJ 5 16.5% 10
CBOJ 2022 Spring Contest Problem 2 - Allen's Asparagus CBOJ 5 14.3% 5
CBOJ 2022 Welcome Contest Problem 3 - Suspicious Cells Club 5 61.9% 9
CBOJ 2022 Welcome Contest Problem 2 - First Day of School Club 5 29.0% 8
CBOJ 2023 Welcome Contest Problem 3 - Finding "Amis" CBOJ 5 33.3% 8
Menorah CBOJ 5 42.1% 8
Snow Removal CBOJ 5 22.0% 8
CBOJ Exec Selection Contest 2 Problem 2 - Patryk and Primes Club 5 26.2% 7
CBOJ Fall Challenge '24 P2 - Collatz Conjecture CBOJ 5 70.0% 6
WAC - Snow Day Predictor WAC 3 63.6% 10
Palindrome 1 - Check Palindrome CBOJ 3 30.6% 15
Sum of Occurrences Club 3 27.5% 13
CBOJ 2022 Spring Contest Problem 1 - KMP CBOJ 3 33.9% 10