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Problem
Category
Points
AC % ▾
Users
CBOJ Exec Selection Contest 2 Problem 2 - Patryk and Primes
Club
5
27.1%
9
Close Matchups
Club
7p
26.5%
9
Count Divisors
Club
5
25.3%
22
CBOJ Exec Selection Contest Problem 5 - Interesting Words
CBOJ
15p
24.7%
5
CBOJ Exec Selection Contest Problem 3 - Lucky Modulo 7
CBOJ
15p
24.7%
7
CBOJ Exec Selection Contest 2 Problem 4 - George's Graph
Club
10
24.2%
3
CBOJ Welcome Contest Problem 3 - Octomesters
CBOJ
7p
24.0%
17
CBOJ Winter Contest Problem 3 - Stacking Spacers
CBOJ
12p
23.9%
16
Snow Removal
CBOJ
5
23.7%
8
Palindrome 2 - Longest Palindrome (Easy)
CBOJ
7
23.7%
11
A Sum Problem
Club
5
23.6%
32
Perfectly Even Numbers
Club
5
22.6%
15
CCC '21 S4 - Daily Commute
CCC
12p
21.9%
6
CBOJ Winter Contest Problem 2 - Suitcase Packing
CBOJ
7p
21.7%
16
CBOJ 2022 Welcome Contest Problem 4 - Highest Weight Path
Club
7p
20.6%
8
Sum of Occurrences
Club
3
20.4%
24
A Binary Search Problem
Club
7
19.8%
9
Supply Drop
CBOJ
20p
19.2%
1
Numbers On A Whiteboard
CBOJ
10
19.0%
3
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard)
CBOJ
10
17.6%
9
Palindrome 3 - Longest Palindrome (Hard)
CBOJ
15
17.5%
5
Graph Theory: Weighted Graph
Club
12
17.3%
10
Zeyu and Fireworks
CBOJ
12p
17.1%
3
CBOJ Winter Contest Problem 4 - Paint.NET
CBOJ
12p
16.5%
14
CBOJ Exec Selection Contest Problem 6 - Cult
CBOJ
17p
16.4%
4
CCC '20 S3 - Searching for Strings
CCC
15p
16.0%
12
Santa's Route
CBOJ
10
15.6%
3
CBOJ 2022 Spring Contest Problem 2 - Allen's Asparagus
CBOJ
5
15.2%
8
Perfectly Even Numbers (Extreme)
Club
15
14.9%
9
WAC - Squirrel Election
WAC
7p
14.7%
8
Point of Intersection
Club
10p
14.4%
8
CBOJ Fall Contest Problem 3 - Maximum Social Distance
CBOJ
12p
14.4%
11
A Fenwick Tree Problem
Club
15p
14.2%
8
CCC '20 S2 - Escape Room
CCC
12p
14.1%
14
CBOJ 2023 Welcome Contest Problem 4 - A Dream Problem
CBOJ
10
13.0%
5
CBOJ Exec Selection Contest 2 Problem 5 - Obligatory Data Structure Problem
Club
12
12.5%
3
Iceberg Hopping
Club
10p
12.4%
10
CBOJ Exec Selection Contest Problem 4 - Bob and Books
CBOJ
15p
12.1%
6
CBOJ 2022 Spring Contest Problem 4 - Allen's Automata
CBOJ
15p
12.1%
5
WAC - The Almighty Acorn
WAC
35p
11.4%
2
CBOJ Exec Selection Contest 2 Problem 3 - Anita's Array
Club
7
11.3%
5
Hello, World!
CBOJ
1
9.4%
64
Subarray Sums
CBOJ
7p
9.4%
8
Count Divisors (Extreme)
CBOJ
15
8.2%
7
CCC '19 S3 - Arithmetic Square
CCC
15p
7.4%
4
CBOJ Exec Selection Contest Problem 2 - Pretty Sequence
CBOJ
15p
6.3%
6
CBOJ Welcome Contest Problem 4 - Remainder Table
CBOJ
15p
6.0%
6
A Dynamic Programming Problem
Club
20
3.8%
2
A Prime Problem
Club
12
1.4%
2
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