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Random
Hot problems
COCI '13 Contest 1 #5 Organizator
CCC '21 S2 - Modern Art
CCC '24 S4 - Painting Roads
IOI '11 P4 - Crocodile's Underground City
CCC '00 S1 - Slot Machines
COCI '08 Contest 3 #2 Kemija
CCC '24 S3 - Swipe
Problem
Category
Points
AC %
Users
Data Compression
Uncategorized
15p
0.0%
0
Ray's Tricky Connectivity
Uncategorized
10p
22.3%
80
Counting Problem
Uncategorized
17
45.5%
5
CPC '19 Contest 1 P3 - Admiral Kuznetsov
Uncategorized
12p
16.0%
80
CPC '19 Contest 1 P4 - Sorting Practice
Uncategorized
12p
7.4%
19
CPC '19 Contest 1 P5 - A Puzzlingly Puzzling Puzzle Problem 😎
Uncategorized
17p
8.4%
10
CPC '21 Contest 1 P3 - AQT and Circles
Uncategorized
10p
13.6%
107
CPC '21 Contest 1 P4 - AQT and Directed Graph
Uncategorized
12p
30.5%
265
CPC '21 Contest 1 P5 - AQT and Modern Art
Uncategorized
15p
15.8%
45
COCI '06 Regional #2 Tetris
COCI
10
51.6%
40
COCI '06 Regional #3 Firefly
COCI
10
38.2%
237
COCI '06 Regional #4 Circle
COCI
15
36.8%
26
COCI '07 Regional #2 Nikola
COCI
10
32.9%
234
COCI '07 Regional #3 Kuhar
COCI
12
21.0%
101
COCI '07 Regional #4 Jednakost
COCI
12p
13.7%
63
COCI '08 Regional #3 Cijevi
COCI
10
34.0%
34
COCI '08 Regional #4 Tablica
COCI
15
36.5%
26
COCI '08 Regional #5 Reljef
COCI
15
51.9%
19
COCI '08 Regional #6 Cvjetici
COCI
12
45.9%
183
CTU Open Contest 2017 - Equinox Roller Coaster
ICPC
15
19.5%
5
CTU Open Contest 2017 - Shooting Gallery
ICPC
10
16.4%
9
CTU Open Contest 2017 - Ice Cream Samples
ICPC
12
43.8%
6
CTU Open Contest 2017 - Punching Power
ICPC
15
45.0%
14
CTU Open Contest 2018 - Security Guards
ICPC
10
37.0%
33
CTU Open Contest 2018 - Rullete
ICPC
10
18.2%
9
CTU Open Contest 2018 - Lighting
ICPC
12
40.0%
12
CTU Open Contest 2018 - Horsemeet
ICPC
10
71.0%
12
CTU Open Contest 2018 - Split Game
ICPC
15
44.4%
10
CTU Open Contest 2018 - Escalators
ICPC
15
42.6%
9
Capture The Flag 2
Uncategorized
12
52.2%
11
Double Doors Regional P4 - Tudor Teaches Jason How To Be Productive
Uncategorized
10
13.2%
41
Double Doors Regional P5 - Tudor Eats Ice Cream Cones
Uncategorized
15
25.8%
39
Double Doors Regional P6 - Tudor Learns More DDR
Uncategorized
17
16.7%
33
DeMello's Leeches
Uncategorized
15p
54.2%
43
Matrix Determinant
Uncategorized
15p
10.4%
51
Detectors
Uncategorized
15p
2.0%
3
Digger
Uncategorized
15p
15.9%
19
Digit Sum
Uncategorized
15
6.2%
9
Please Help Me
Uncategorized
15
17.8%
58
Distinct Shapes
Uncategorized
10
22.0%
38
Divisibility Rules
Uncategorized
10p
48.4%
14
DMOPC '13 Contest 1 P5 - Math on Titan
DMOPC
15p
17.0%
40
DMOPC '13 Contest 3 P4 - Snowman
DMOPC
15p
12.6%
34
DMOPC '13 Contest 3 P5 - A Romantic Dinner
DMOPC
10p
45.8%
393
DMOPC '14 Contest 1 P6 - Biology Homework
DMOPC
17p
19.1%
34
DMOPC '14 Contest 2 P5 - Sawmill Scheme
DMOPC
10p
20.9%
475
DMOPC '14 Contest 2 P6 - Selective Cutting
DMOPC
12p
29.0%
403
DMOPC '14 Contest 3 P4 - Not Enough Testers!
DMOPC
10p
18.9%
442
DMOPC '14 Contest 3 P6 - Not Enough Time!
DMOPC
10p
35.6%
492
DMOPC '14 Contest 4 P3 - Golden Lily
DMOPC
10p
23.1%
263
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