Home
Problems
Submissions
Users
Contests
About
>
Status
Tips
API
Github
Log in
or
Sign up
This site works best with JavaScript enabled.
Problems
«
1
2
3
4
5
6
7
8
9
10
...
100
101
»
Problem search
Full text search
Has editorial
Show problem types
Category
All
---
AAC
ACC
APIO
Balkan OI
Baltic OI
BlueBook
Brazil OI
Bubble Cup
Bulgarian OI
CCC
CCO
CEOI
China NOI
Classics
COCI
CSPC
CTF
Data Structure Tests
DMOPC
DWITE
ECOO
EGOI
ESOI
FHC
Fun Math
GFSSOC
Google Code Jam
Google Hash Code
Google Kick Start
ICPC
IOI
JOI
Mock CCC
Mock CCO
MWC
Olympiads School
POI
SAC Coding Challenge
Seasonal
SIUCF
Taiwan NOI
TLE
TSOC
Uncategorized
VM7WC
WAC
Waterloo Local
Woburn Challenge
YAC
Point range
Go
Random
Hot problems
CCC '13 S1 - From 1987 to 2013
Dynamic Range Minimum Test
Mock CCC '22 Contest 2 J3 - Figure Skating Fun
CCC '21 S2 - Modern Art
CCC '09 J3 - Good Times
SAC '22 Code Challenge 5 Junior P4 - Course Requirements
CCC '24 J4 - Troublesome Keys
Problem
Category
Points
AC %
Users
Bohemian Rhaksody
Uncategorized
45p
5.0%
10
Boolean
Uncategorized
3
50.3%
2402
Boxdropper
Uncategorized
20p
21.7%
19
Stacking Boxes
Uncategorized
5
31.8%
88
Boxlings
Uncategorized
15p
17.1%
45
Union Laser
Uncategorized
25p
35.0%
3
BPC 1 J1 - Facial Recognition
Uncategorized
3
56.4%
481
BPC 1 J2 - Cake
Uncategorized
3
35.0%
219
BPC 1 J3 - Group Project
Uncategorized
5
43.2%
236
BPC 1 J4 - Assignment of the Year
Uncategorized
10p
10.1%
49
BPC 1 J5 - Set
Uncategorized
10
26.2%
21
BPC 1 S1 - Homework Questions
Uncategorized
5
17.5%
172
BPC 1 S2 - Train Commute
Uncategorized
12p
6.7%
50
BPC 1 S3 - Bus Stops
Uncategorized
17p
12.9%
25
BPC 1 S4 - Binary Matrices
Uncategorized
25p
13.0%
10
BPC 1 S5 - Temple
Uncategorized
25p
7.6%
11
BPC 1 S6 - Painters
Uncategorized
30p
9.3%
10
Brap Lesh Mafia
Uncategorized
5
33.4%
353
Brazilian IOI TST '19 Day 1 - Secret Santa
Brazil OI
17p
19.7%
22
Bruce's Brittle Bridges
Uncategorized
12p
31.6%
70
Bruce String
Uncategorized
12p
22.0%
15
Polynomial Time Boolean Satisfiability
Uncategorized
15p
37.5%
49
Fast Search
Uncategorized
15p
27.3%
111
Battleships
Uncategorized
10p
11.4%
126
BSSPC '21 J1 - Eggy's New Clothes
Uncategorized
3
38.7%
577
BSSPC '21 J2 - James and Youtube
Uncategorized
3
31.2%
193
BSSPC '21 J3 - Magic Paint Gun Cartridges
Uncategorized
5
56.2%
151
BSSPC '21 J4 - James's Magical Soups
Uncategorized
7p
13.8%
97
BSSPC '21 J5 - James and the Euclid Test
Uncategorized
7p
25.3%
118
BSSPC '21 J6 - Lakshy and Orz Trees
Uncategorized
12
16.2%
85
BSSPC '21 S1 - Lakshy and Palindromic Rectangle
Uncategorized
5p
19.8%
184
BSSPC '21 S2 - Hacker Soup
Uncategorized
7p
30.4%
153
BSSPC '21 S3 - James's Egirl Discord Status
Uncategorized
7p
22.1%
172
BSSPC '21 S4 - Child Prodigy Chadstin
Uncategorized
17p
6.7%
25
BSSPC '21 S5 - James Solves His Tree Problems
Uncategorized
25p
2.1%
5
BSSPC '22 P1 - Bubble Tea Tracker
Uncategorized
3
66.4%
597
BSSPC '22 P2 - Rhyming Numbers
Uncategorized
3
43.1%
432
BSSPC '22 P3 - Searching for Seats
Uncategorized
5
40.5%
298
BSSPC '22 P4 - Exec Pieing
Uncategorized
5p
15.5%
227
BSSPC '22 P5 - Derrick and Orz Trees
Uncategorized
7p
19.5%
142
BSSPC '22 P6 - Permutations & Primogems
Uncategorized
10p
16.9%
112
BSSPC '22 P7 - Exec Team Applications
Uncategorized
10p
22.9%
90
BSSPC '22 P8 - Bayview's RGB Gaming PC
Uncategorized
10
21.7%
88
Baltic OI '01 P1 - Postman
Baltic OI
10p
18.7%
24
Baltic OI '01 P2 - Crack the Code
Baltic OI
20p
10.0%
2
Baltic OI '01 P3 - Box of Mirrors
Baltic OI
20p
12.5%
7
Baltic OI '01 P4 - Knights
Baltic OI
17p
14.8%
8
Baltic OI '01 P5 - Mars Maps
Baltic OI
15p
14.7%
30
Baltic OI '01 P6 - Teleports
Baltic OI
10p
36.5%
24
Baltic OI '02 P1 - Speed Limits
Baltic OI
12p
26.3%
16
«
1
2
3
4
5
6
7
8
9
10
...
100
101
»