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
...
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 ▴
Inaho IX
Uncategorized
25p
33.1%
7
LCC '18 Contest 5 S2 - Penny Pinching
LCC
7p
9.6%
7
Girls Invitational '19 S3 - GOTO
Girls Invitational
7p
11.4%
7
Triples
Uncategorized
7
7.9%
7
A Stack Problem
Uncategorized
7
16.7%
7
A Snowball Problem
Competitive
12
26.2%
7
MLE '19 Contest 2 P2 - Meta
Uncategorized
12p
40.7%
7
'A' String
ICS3U
10p
3.3%
7
LCC/Moose '19 Contest 4 S4 - Limited Factors
LCC
10p
4.3%
7
Larry's Array
Competitive
15p
13.4%
7
AQT's Lights
Competitive
7p
9.7%
7
Material Farming
Competitive
7p
24.1%
7
LCC/Moose '20 Contest 5 J3 - Ping Difference
LCC
5p
18.4%
7
LCC '21 Contest 6 S2 - Palindromes on Trees
LCC
7p
80.0%
7
ECOO '21 P2 - DNA Derren
ECOO
3p
70.0%
7
LCC '21 Contest 3 S5 - Oscar's Spaceship
LCC
12p
11.9%
7
LCC '21 Contest 5 S3 - Swamp Traversal
Competitive
7p
25.9%
7
Minimum Polynomial Threshold
Uncategorized
5
31.0%
7
Market Analysis
Uncategorized
7
60.0%
7
Birthday Party
Uncategorized
5
38.9%
7
Spanning Tree Range
Competitive
10
66.7%
7
LCC '22 Contest 4 J2 - C See Sea
LCC
5
36.4%
7
LCC '22 Contest 6 J1 - Integral Calculus
LCC
3p
50.0%
7
Make a Roller Coaster
Competitive
5
43.8%
7
LCC ‘23 Contest 1 S5 - Spooky Children
LCC
12p
38.5%
7
JDCC '17 Contest 3 S5 - Speed Interviewing
JDCC
15p
25.9%
8
JDCC '17 Contest 2 S3 - Santa's Flight
JDCC
7p
34.0%
8
Girls Invitational '18 S2 - Amazing Maze
Girls Invitational
10
66.7%
8
A Counting Problem 2
Uncategorized
15
33.3%
8
A Harder Contest '19 - An Alternating Problem
Uncategorized
20p
5.8%
8
Shortest String
Competitive
10
18.6%
8
LCC/Moose '19 Contest 3 J5 - Pesky Pascallions
LCC
7p
13.7%
8
Graph Theory 6
Competitive
7
37.3%
8
Subarray GCD
Competitive
7p
27.5%
8
LCC/Moose '19 Contest 4 J5 - Permutation Recovery
LCC
7p
7.7%
8
Addition Without Carry
Uncategorized
5p
23.4%
8
A Times B
Competitive
15p
12.1%
8
LCC/Moose '20 Contest 5 J5 - O-Mo-Te-Na-Si
LCC
7p
33.3%
8
LCC '21 Contest 6 S1 - Segment Intersection
ICS3U
5p
45.0%
8
LCC '21 Contest 1 S4 - Perfect Squares
Competitive
15p
5.0%
8
LCC '21 Contest 6 J3 - Sprinklers
LCC
5
71.4%
8
LCC '22 Contest 1 S3 - Candy Pathways
LCC
15p
15.3%
8
Light Bulbs
Uncategorized
5
47.4%
8
LCC '22 Contest 4 S3 - Skewed Statistics
LCC
7
21.2%
8
LCC '22 Contest 5 J2 - Pieces
LCC
5
50.0%
8
What's My Average?
Uncategorized
5
24.0%
8
I Hate Ready to Program P2 - Graphics Galore
Competitive
5p
22.7%
8
LCC '23 Contest 2 J3 - Underwater Scales
LCC
5p
20.0%
8
LCC '23 Contest 3 J2 - Present Unwrapping
LCC
3
32.0%
8
LCC '23 Contest 3 S2 - Let It Snow
LCC
7p
8.9%
8
«
1
2
3
4
5
6
7
8
...
15
16
»