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Hot problems
A Segment Tree Problem
Problem
Category
Points
AC % ▴
Users
JDCC '17 Contest 3 S4 - Interview Dominance
JDCC
10p
28.2%
15
MLE '19 Contest 4 P5 - Geo
Uncategorized
5
28.2%
27
A Lazy Problem
Uncategorized
5
28.2%
56
LCC '23 Contest 3 S3 - Snowing
LCC
10
28.3%
10
LCC '24 Contest 1 J2 - Shopping Spree
LCC
3p
28.3%
13
A Dividing Problem
Uncategorized
5
28.3%
79
Feynman Pairs
Competitive
5
28.3%
14
Frog
Classics
20
28.3%
12
A Squirrel Problem 2
Competitive
7p
28.3%
18
Mock CCC '19 Contest 1 S2 - Strings
Uncategorized
7p
28.4%
21
A Search Problem
Uncategorized
5p
28.5%
22
JDCC '16 Contest 5 P4 - Space Invaders
JDCC
10
28.6%
2
A Sequence Problem
Competitive
5p
28.6%
120
LCC/Moose '19 Contest 2 S4 - Autobattler
LCC
10p
28.6%
26
Unbalanced
Uncategorized
7
28.6%
3
LCC '22 Contest 4 J5 - Fiducial
LCC
7p
28.6%
4
Job Hunting
Uncategorized
10
28.6%
4
LCC '25 Contest 2 S4 - Pollution
LCC
10
28.6%
2
Tootsie Rolls
Girls Invitational
12p
28.6%
3
Subarray GCD
Competitive
7p
28.8%
9
LCC '24 Contest 2 S1 - Betting Odds
LCC
3p
28.9%
13
Raytracing
Uncategorized
15p
29.2%
26
Ping-Pong Tube
Competitive
5p
29.2%
22
How Many Zeroes?
Uncategorized
5
29.2%
36
Inaho VII
Uncategorized
25p
29.4%
4
Connect the Dots
Competitive
10p
29.4%
10
LCC '21 Contest 2 J4 - Gaming
LCC
5
29.4%
27
LCC '23 Contest 2 J5 - Portal Travelling
LCC
12p
29.4%
4
LCC/Moose '19 Contest 4 J4 - Inaho's Walk
LCC
7p
29.6%
9
CCC '15 S4 - Convex Hull
CCC
15p
29.6%
7
JDCC '15 Contest 3 P4 - Skiing
JDCC
10
29.7%
17
Maintaining a Sequence
Uncategorized
3p
29.7%
60
A Maximization Problem
Uncategorized
7p
29.8%
46
LCC/Moose '19 Contest 3 S1 - How Cold?
LCC
5p
29.8%
57
An Exponentiation Problem
Uncategorized
5
30.0%
57
LCC '25 Contest 3 J5 - Bad Choices
LCC
10p
30.0%
2
Mock CCC '26 S3 - Railway Manager
Mock CCC
10p
30.1%
8
LCC '21 Contest 1 S5 - Beanland
LCC
10p
30.3%
7
LCC/Moose '20 Contest 2 J5 - AQT's Tree
LCC
7p
30.3%
5
An Easy Score
Competitive
5
30.3%
18
A Tree Problem 2
Uncategorized
15
30.4%
6
LCC '21 Contest 4 S3 - The Art of War
LCC
10p
30.4%
3
University Applicants
Classics
7
30.4%
7
LCC '25 Contest 1 S4 - Candyman's Candy Game
LCC
10p
30.4%
4
Derek and Stocks
Competitive
5p
30.5%
14
Coin Flipping
Uncategorized
5
30.5%
8
LCC '18 Contest 2 S5 - Salaries
LCC
17p
30.5%
19
MLE '19 Contest 2 P1 - FUN
Uncategorized
7p
30.8%
14
LCC '25 Contest 1 S3 - Sadness
LCC
7p
30.8%
4
A Harder Contest '19 - A Permutation Problem 2
Uncategorized
15
30.8%
17
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