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
...
7
8
9
10
11
12
13
14
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
LCC '21 Contest 4 S3 - The Art of War
LCC
10p
30.4%
3
LCC '21 Contest 6 J1 - Candy Shop
LCC
3
30.4%
20
Derek and Stocks
Competitive
5p
30.5%
14
LCC '18 Contest 2 S5 - Salaries
LCC
17p
30.5%
19
Girls Invitational '19 J3 - Essay Scores
Girls Invitational
5p
30.6%
28
MLE '19 Contest 2 P1 - FUN
Uncategorized
7p
30.8%
14
Jack Frost
Uncategorized
10
30.8%
4
A Harder Contest '19 - A Permutation Problem 2
Uncategorized
15
30.8%
17
A Swapping Problem
Uncategorized
5
30.9%
28
LCC '18 Contest 1 J4 - Betting
LCC
5p
30.9%
35
LCC/Moose '19 Contest 1 S4 - Morphgrams
LCC
10p
30.9%
53
Parrots and Cookies
Competitive
7p
31.0%
18
Minimum Polynomial Threshold
Uncategorized
5
31.0%
7
ECOO '21 Practice P6 - Eggs
ECOO
12p
31.0%
3
A Counting Problem
Uncategorized
15
31.1%
18
Frog
Classics
20
31.1%
10
Code Golf Challenge P1 - Product
Uncategorized
3p
31.1%
87
Inaho XI
Uncategorized
5p
31.3%
3
LCC '23 Contest 2 S4 - Cascade
LCC
10
31.3%
4
Graph Theory 2
Uncategorized
3
31.3%
88
A Subarray Problem 2
Uncategorized
5p
31.3%
32
LCC/Moose '18 Contest 3 S4 - Christmas Tree
LCC
12p
31.4%
34
JDCC '16 Contest 3 P1 - Triangle Types
JDCC
3
31.4%
59
ECOO '21 Practice P3 - Turin's Thrifty Threads
ECOO
5p
31.6%
11
LCC '22 Contest 3 S5 - Umbrella
LCC
15
31.6%
2
Rated Contest 1 P2 - Circular Motion
Uncategorized
5
31.8%
23
JDCC '16 Contest 1 P4 - Guess My Age
JDCC
7
31.8%
6
March Break Contest '22 Problem 2 - Crazy Sentences
Competitive
7
31.8%
6
A Newton Problem
Classics
7
32.0%
21
LCC '22 Contest 5 J3 - Guess the Elo
LCC
5
32.0%
6
LCC '23 Contest 3 J2 - Present Unwrapping
LCC
3
32.0%
8
JDCC '17 Contest 3 S1 - <<<<3<33<333
JDCC
3p
32.0%
60
LCC/Moose '20 Contest 1 S1 - Cheetahs
LCC
5p
32.1%
55
An Easy Score
Competitive
5
32.1%
18
Alan is taking the bus!
Competitive
5p
32.2%
29
LCC '23 Contest 2 J1 - Portals
LCC
3
32.4%
11
Dim Sum 4 - I'm Getting Bored
Uncategorized
5
32.5%
4
A Knapsack Problem
Uncategorized
7
32.5%
58
Guess the Song
Uncategorized
3
32.7%
52
LCC/Moose '20 Contest 1 S2 - Spellcheck
LCC
5p
32.7%
49
LCC '21 Contest 3 S1 - Meow
LCC
5p
32.9%
27
Inaho IX
Uncategorized
25p
33.1%
7
A Coin Problem
Competitive
7p
33.1%
71
JDCC '15 Contest 4 P3 - Sorting Trains
JDCC
7
33.3%
5
JDCC '15 Contest 5 P3 - Mazecrawler
JDCC
10
33.3%
4
A Counting Problem 2
Uncategorized
15
33.3%
8
Mock CCC '20 Contest 1 S5 - Sticks
Uncategorized
20p
33.3%
1
Retro Racing
Competitive
5
33.3%
15
Filling the Alphabet
ICS3U
3
33.3%
11
LCC/Moose '20 Contest 5 J5 - O-Mo-Te-Na-Si
LCC
7p
33.3%
8
«
1
2
...
7
8
9
10
11
12
13
14
15
16
»