Home
Problems
Submissions
Users
Contests
Submissions
Learning
More
About
Contact
Status
Capture the Flag
Lessons
FAQ
Achievements
Site Archive
Log in
or
Sign up
This site works best with JavaScript enabled.
Problems
«
1
2
3
4
5
6
7
8
9
10
...
15
16
»
Problem search
Full text search
Show problem types
Category
All
---
CCO
Classics
Co-Ed
Competitive
ECOO
Girls Invitational
ICS3U
JDCC
LCC
Uncategorized
Point range
Go
Random
Problem
Category
Points
AC % ▴
Users
JDCC '17 Contest 2 S2 - Cookie Platters
JDCC
5p
27.1%
13
LCC/Moose '19 Contest 4 J4 - Yes
LCC
5p
27.1%
15
LCC/Moose '19 Contest 1 J1 - Jaden Smith
LCC
3p
27.1%
73
Maintaining a Sequence
Uncategorized
12p
27.2%
31
Subarray GCD
Competitive
7p
27.5%
8
Festive Stew
Uncategorized
7p
27.5%
16
LCC/Moose '19 Contest 3 J4 - Hash
LCC
7p
27.6%
6
LCC '22 Contest 2 S3 - Round Nuts
LCC
7p
27.8%
14
LCC '22 Contest 3 J3 - Roller Coaster
LCC
5
27.8%
9
James is in Danger
Uncategorized
5
27.8%
6
I Hate Ready to Program P6 - Slash, Slash, Click
Competitive
7p
27.8%
9
LCC/Moose '20 Contest 2 J2 - Mocking Case
LCC
3
28.0%
39
JDCC '15 Contest 5 P2 - Elevator
JDCC
5
28.0%
7
March Break Contest '22 Problem 1 - Bob's Dice Game
Competitive
7p
28.0%
5
Mock CCC '19 Contest 1 S2 - Strings
Uncategorized
7p
28.0%
19
Girls Invitational '18 S4 - Reppoh Ecarg
Girls Invitational
12
28.1%
9
LCC '21 Contest 1 S5 - Beanland
LCC
10p
28.1%
6
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%
54
A Sequence Problem
Competitive
5p
28.2%
115
LCC '22 Contest 1 J1 - Costume Contest
LCC
3
28.2%
40
LCC '23 Contest 3 S3 - Snowing
LCC
10
28.3%
10
Feynman Pairs
Competitive
5
28.3%
14
A Squirrel Problem 2
Competitive
7p
28.3%
18
JDCC '16 Contest 5 P4 - Space Invaders
JDCC
10
28.6%
2
A Maximization Problem
Uncategorized
7p
28.6%
41
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
Tootsie Rolls
Girls Invitational
12p
28.6%
3
JDCC '15 Contest 2 P2 - Icy Spiral
JDCC
5
29.1%
20
Raytracing
Uncategorized
15p
29.2%
26
Ping-Pong Tube
Competitive
5p
29.2%
22
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
I Hate Ready to Program P3 - Test Case Limit Exceeded
Competitive
5p
29.4%
10
LCC/Moose '19 Contest 3 S1 - How Cold?
LCC
5p
29.5%
56
Maintaining a Sequence
Uncategorized
3p
29.5%
59
LCC/Moose '19 Contest 4 J4 - Inaho's Walk
LCC
7p
29.6%
9
How Many Zeroes?
Uncategorized
5
29.6%
34
JDCC '15 Contest 3 P4 - Skiing
JDCC
10
29.7%
17
An Exponentiation Problem
Uncategorized
5
29.9%
56
Baltic OI '09 - Beetle
Uncategorized
15
30.0%
3
Toronto Navigator
Uncategorized
10p
30.0%
3
Rated Contest 2 P3 - Ski Rentals
Uncategorized
7p
30.0%
13
A Search Problem
Uncategorized
5p
30.3%
18
LCC/Moose '20 Contest 2 J5 - AQT's Tree
LCC
7p
30.3%
5
«
1
2
3
4
5
6
7
8
9
10
...
15
16
»