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
...
99
100
»
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
NOI '15 P2 - Software Package Manager
CCC '22 J3 - Harp Tuning
Knapsack 4
ECOO '17 R3 P1 - Baker Brie
CCC '08 S4 - Twenty-four
A Game
DMOPC '19 Contest 7 P5 - Soriya's Programming Project
Problem
Category
Points
AC %
Users
16 BIT S/W ONLY
Uncategorized
3
36.8%
2683
2048
Uncategorized
15
3.2%
89
2-D Permutations
Uncategorized
10p
20.6%
158
2-Dimensional Range Minimum Query
Classics
17p
19.9%
133
2spooky4me
Uncategorized
7
11.5%
440
Rotations in 3 Dimensions
Uncategorized
12
28.5%
117
Mispelling
Uncategorized
3
11.1%
1356
Mirrored Pairs
Uncategorized
3
25.9%
1316
A20 Gate
Uncategorized
5
31.4%
268
Triple Fat Ladies
Uncategorized
5
28.6%
1561
Sorting
Classics
3
47.3%
3853
An Animal Contest 1 P1 - Alpaca Shapes
AAC
3p
40.0%
2392
An Animal Contest 1 P2 - Alpaca Racing
AAC
5p
8.1%
544
An Animal Contest 1 P3 - Happy Alpacas
AAC
7p
20.6%
486
An Animal Contest 1 P4 - Alpaca Arrays
AAC
10p
12.4%
243
An Animal Contest 1 P5 - Odd Alpacas
AAC
12p
27.5%
106
An Animal Contest 1 P6 - Alpaca Distancing
AAC
12p
20.1%
108
An Animal Contest 2 P0 - Koala Matchmaking
AAC
3
50.1%
1174
An Animal Contest 2 P1 - Koala Konundrum
AAC
5
44.5%
489
An Animal Contest 2 P2 - Koala Party
AAC
5p
16.5%
291
An Animal Contest 2 P3 - Koala Balloons
AAC
12p
15.1%
179
An Animal Contest 2 P4 - Koala Gambling
AAC
12
19.7%
196
An Animal Contest 2 P5 - Koala Carnival
AAC
15p
34.7%
97
An Animal Contest 2 P6 - Koala Transport System
AAC
17p
22.2%
61
An Animal Contest 3 P1 - Monkey Shopping
AAC
3
30.9%
1115
An Animal Contest 3 P2 - Monkey Potato
AAC
5p
18.8%
555
An Animal Contest 3 P3 - Monkey Market
AAC
7
20.2%
398
An Animal Contest 3 P4 - Monkey Mayhem
AAC
7
29.5%
231
An Animal Contest 3 P5 - Monkey Canoe
AAC
12p
18.3%
133
An Animal Contest 3 P6 - Monkey Station
AAC
17
13.8%
47
An Animal Contest 3 P7 - Monkey Lasers
AAC
25p
7.8%
14
An Animal Contest 3 P7 - Monkey Lasers (Up Version)
AAC
25p
23.3%
9
An Animal Contest 3 P8 - Monkey Retirement
AAC
25p
3.2%
8
An Animal Contest 4 P1 - Dasher's Digits
AAC
5p
21.1%
311
An Animal Contest 4 P2 - Lavish Lights
AAC
10
14.4%
210
An Animal Contest 4 P3 - Snowy Slopes
AAC
10
20.6%
135
An Animal Contest 4 P4 - Reindeer Racing
AAC
10p
6.8%
71
An Animal Contest 4 P5 - Neighbourly Neighbourhoods
AAC
12p
11.1%
44
An Animal Contest 4 P6 - Cozy Cottages
AAC
20
16.7%
21
An Animal Contest 5 P1 - Bamboo Cookies
AAC
3p
47.2%
587
An Animal Contest 5 P2 - Permutations & Products
AAC
5p
15.5%
283
An Animal Contest 5 P2 (Hard Version) - Permutations & Primes
AAC
10
12.1%
51
An Animal Contest 5 P3 - Ski Resort
AAC
10
12.5%
163
An Animal Contest 5 P4 - Number Game
AAC
12p
7.2%
42
An Animal Contest 5 P5 - Counting Rectangles
AAC
15p
12.3%
50
An Animal Contest 5 P6 - Larry Finally Uses His Magical Powers
AAC
25p
13.6%
50
An Animal Contest 6 P1 - Workout Routine
AAC
5p
15.9%
307
An Animal Contest 6 P2 - G-Pop
AAC
7p
10.7%
123
An Animal Contest 6 P3 - OAC
AAC
12p
13.4%
107
An Animal Contest 6 P4 - Buffet
AAC
20p
7.4%
29
«
1
2
3
4
5
6
...
99
100
»