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
...
15
16
»
Problem search
Full text search
Has editorial
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 ▾
An Array Problem
Uncategorized
7
49.6%
46
JDCC '17 Contest 3 J2 - Interview Seating
JDCC
5
60.1%
45
JDCC '16 Contest 5 P1 - Word Sums
JDCC
3
53.1%
44
LCC/Moose '18 Contest 3 S2 - Delivering Presents
LCC
7p
23.9%
44
Mock CCC '20 Contest 1 J3 - Win
Uncategorized
5p
70.3%
44
A Maximization Problem
Uncategorized
7p
28.9%
43
LCC/Moose '19 Contest 4 S2 - Tape Editor
LCC
5p
63.8%
43
LCC/Moose '20 Contest 2 J1 - Predicting Stonks
LCC
3
23.4%
43
A Two-Pointers Problem
Classics
7p
21.6%
42
JDCC '15 Contest 1 P1 - Guessing Game
JDCC
3
55.3%
42
A Vector Problem
Uncategorized
3
24.5%
42
A Shady Problem
Uncategorized
5
26.0%
41
Santa and Letters
Competitive
5
60.3%
41
LCC '22 Contest 1 J1 - Costume Contest
LCC
3
28.0%
41
Subarray Maximization
Competitive
10p
23.9%
40
Maintaining a Sequence
Uncategorized
5p
73.0%
40
Girls Invitational '19 J1 - Ecalevol Triplets
Girls Invitational
3p
18.6%
40
Filling the Alphabet
Uncategorized
3
53.1%
40
Pop Quiz!
Co-Ed
3
58.3%
39
Art Academy 0: Prologue
Uncategorized
3p
52.8%
39
LCC/Moose '20 Contest 2 J2 - Mocking Case
LCC
3
28.0%
39
LCC/Moose '18 Contest 3 J4 - Tall People 3
LCC
5
20.6%
38
Girls Invitational '18 J1 - Not Not Very Very
Girls Invitational
3
43.6%
38
A Harder Contest '19 - Flipper 2
Uncategorized
7p
13.3%
38
MLE '19 Contest 4 P4 - Wesley
Uncategorized
5
62.8%
38
LCC '21 Contest 2 J1 - Tracy's Bread
LCC
3p
68.9%
38
Star Carpet
ICS3U
3
47.1%
38
1-Pile Nim
Competitive
7p
48.2%
37
Over Optimization
Competitive
3p
45.3%
37
LCC '21 Contest 3 J1 - Sly Students
LCC
3
52.4%
37
LCC '18 Contest 1 J4 - Betting
LCC
5p
31.3%
36
How Many Zeroes?
Uncategorized
5
29.2%
36
Girls Invitational '18 J2 - Munara’s Magnificent Math Machine
Girls Invitational
3
63.2%
36
JDCC '16 Contest 4 P1 - Vibberish or Cibberish?
JDCC
5
51.9%
35
LCC/Moose '18 Contest 3 S1 - Caroling
LCC
5p
9.6%
35
LCC/Moose '19 Contest 1 S5 - Division Tests
LCC
12p
16.8%
35
ssheep
ICS3U
5p
17.6%
35
LCC/Moose '20 Contest 2 J3 - Alan's Snowmen
LCC
3p
24.8%
35
LCC '21 Contest 4 J6/S6 - April Fools!
LCC
1
47.5%
35
JDCC '16 Contest 2 P2 - Broken Telephone
JDCC
3
18.9%
34
An MST Problem
Uncategorized
10
35.9%
34
A Prime Problem
Uncategorized
5
20.1%
34
LCC/Moose '18 Contest 3 S4 - Christmas Tree
LCC
12p
31.4%
34
Inaho V
Uncategorized
3p
25.2%
34
LCC/Moose '19 Contest 1 J3 - Emily and Timetable
LCC
5p
13.6%
34
LCC/Moose '20 Contest 4 J2 - Column Counting
LCC
3
51.4%
34
Array Mean
ICS3U
3p
34.6%
34
JDCC '15 Contest 5 P1 - Multiples
JDCC
3
9.9%
33
LCC/Moose '19 Contest 5 J1 - Catastrophic Charger
LCC
3
43.9%
33
Bob & His Crops
Competitive
3p
64.8%
33
«
1
2
3
4
5
6
...
15
16
»