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CBOJ
CCC
Club
ECOO
WAC
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Problem
Category
Points
AC %
Users ▾
Close Matchups
Club
7p
26.5%
9
A Difference Array Problem
Club
7p
37.0%
9
Perfectly Even Numbers (Extreme)
Club
15
14.9%
9
CBOJ Winter Contest Problem 2 - Suitcase Packing (Hard)
CBOJ
10
17.6%
9
CCC '21 S3 - Lunch Concert
CCC
10p
52.6%
9
A Binary Search Problem
Club
7
19.8%
9
CBOJ Exec Selection Contest 2 Problem 2 - Patryk and Primes
Club
5
27.1%
9
WAC - Squirrel Election
WAC
7p
14.7%
8
Subarray Sums
CBOJ
7p
9.4%
8
Point of Intersection
Club
10p
14.4%
8
CCC '19 J5 - Rule of Three
CCC
15p
40.0%
8
A Fenwick Tree Problem
Club
15p
14.2%
8
CBOJ 2022 Spring Contest Problem 2 - Allen's Asparagus
CBOJ
5
15.2%
8
CBOJ 2022 Welcome Contest Problem 4 - Highest Weight Path
Club
7p
20.6%
8
Snow Removal
CBOJ
5
23.7%
8
Count Divisors (Extreme)
CBOJ
15
8.2%
7
CBOJ Fall Contest Problem 4 - Taking an L
CBOJ
12p
29.3%
7
CCC '03 S5 - Trucking Troubles
CCC
15p
35.0%
7
CCC '21 S5 - Math Homework
CCC
12p
41.7%
7
ECOO 2015 R1 P4 - Neanderthal Numbers
ECOO
12
68.2%
7
Making a Necklace
Club
10p
28.6%
7
CBOJ Exec Selection Contest Problem 3 - Lucky Modulo 7
CBOJ
15p
24.7%
7
CBOJ Welcome Contest Problem 4 - Remainder Table
CBOJ
15p
6.0%
6
CCC '21 S4 - Daily Commute
CCC
12p
21.9%
6
CBOJ Exec Selection Contest Problem 2 - Pretty Sequence
CBOJ
15p
6.3%
6
CBOJ Exec Selection Contest Problem 4 - Bob and Books
CBOJ
15p
12.1%
6
CBOJ 2022 Spring Contest Problem 3 - Martin's Monochromatic Marbles
CBOJ
7p
29.8%
6
Palindrome 3 - Longest Palindrome (Hard)
CBOJ
15
17.5%
5
ECOO 2018 R2 P3 - Factorial
ECOO
12
36.8%
5
CBOJ Exec Selection Contest Problem 5 - Interesting Words
CBOJ
15p
24.7%
5
CBOJ 2022 Spring Contest Problem 4 - Allen's Automata
CBOJ
15p
12.1%
5
The Perfect Gift
CBOJ
7p
30.6%
5
CBOJ 2023 Welcome Contest Problem 4 - A Dream Problem
CBOJ
10
13.0%
5
CBOJ Exec Selection Contest 2 Problem 3 - Anita's Array
Club
7
11.3%
5
CCC '19 S3 - Arithmetic Square
CCC
15p
7.4%
4
ECOO 2016 R2 P1 - Palindrome Panic
ECOO
12
73.3%
4
CBOJ Exec Selection Contest Problem 6 - Cult
CBOJ
17p
16.4%
4
WAC - Triangle: The Root of All Evil
WAC
15p
71.4%
3
Zeyu and Fireworks
CBOJ
12p
17.1%
3
CBOJ 2022 Spring Contest Problem 5 - Draw me a Mountain Range
CBOJ
17p
43.8%
3
Numbers On A Whiteboard
CBOJ
10
19.0%
3
Santa's Route
CBOJ
10
15.6%
3
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
12.5%
3
WAC - The Almighty Acorn
WAC
35p
11.4%
2
A Prime Problem
Club
12
1.4%
2
A Dynamic Programming Problem
Club
20
3.8%
2
Mountain, Valley And Repeat
CBOJ
17
42.3%
2
Supply Drop
CBOJ
20p
19.2%
1
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