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Hot problems
COCI '13 Contest 1 #5 Organizator
CCC '24 S4 - Painting Roads
CCC '00 S1 - Slot Machines
CCC '13 S1 - From 1987 to 2013
CCC '21 S2 - Modern Art
COCI '08 Contest 3 #2 Kemija
CCC '20 J4 - Cyclic Shifts
Problem
Category
Points
AC %
Users
ECOO '16 R2 P4 - Hop, Skip and Jump
ECOO
12p
27.9%
18
ECOO '16 R3 P2 - Target Practice
ECOO
10p
22.2%
15
ECOO '16 R3 P3 - CamelCase
ECOO
10p
24.9%
183
ECOO '16 R3 P4 - Cuthbert's Calculator
ECOO
15p
68.2%
5
ECOO '17 R2 P2 - Treasure Hunt
ECOO
10p
40.9%
59
ECOO '17 R2 P3 - Lunch Time
ECOO
12p
15.8%
27
ECOO '17 R2 P4 - Zig Zag
ECOO
12p
39.2%
32
ECOO '17 R3 P3 - Region Selection
ECOO
12p
36.0%
18
ECOO '17 R3 P4 - Ice Cream Beach
ECOO
15p
18.4%
36
ECOO '18 R2 P2 - Homework
ECOO
10p
21.6%
97
ECOO '18 R2 P3 - Factorial
ECOO
12p
17.7%
60
ECOO '18 R2 P4 - Three Squares
ECOO
15p
30.9%
11
ECOO '18 R3 P1 - Balanced
ECOO
12p
28.3%
13
ECOO '18 R3 P2 - Vegenère
ECOO
12p
8.3%
6
ECOO '18 R3 P3 - Currency Exchange
ECOO
10p
8.1%
13
ECOO '18 R3 P4 - Circular Cities
ECOO
15p
14.5%
7
ECOO '19 R1 P3 - Side Scrolling Simulator
ECOO
10p
10.3%
66
ECOO '19 R1 P4 - Bus Route
ECOO
12
9.6%
12
ECOO '19 R2 P2 - Pizza
ECOO
10p
23.9%
23
ECOO '19 R2 P3 - Ribbon
ECOO
15p
19.8%
13
ECOO '19 R2 P4 - Tunnels
ECOO
12p
32.6%
7
ECOO '19 R3 P2 - Array Game
ECOO
12p
21.1%
5
ECOO '19 R3 P3 - Wall
ECOO
15p
44.2%
4
ECOO '19 R3 P4 - Network
ECOO
15p
0.5%
1
ECOO '20 P4 - Ring
ECOO
12p
17.2%
80
ECOO '21 P5 - Waldwick's Walk
ECOO
17p
21.6%
23
WCIPEG 2018 ECOO Qualifier P4 - IOI tour
ECOO
10p
29.2%
13
DMOJ Capture The Flag '20 C4 - Larger Encryption
CTF
10
61.5%
8
DMOJ Capture The Flag '20 R4 - Python Cycles
CTF
12
43.8%
14
DMOJ Capture The Flag '20 F4 - Wire on Shark
CTF
10
38.1%
7
EGOI '21 P2 - Luna Likes Love
EGOI
12p
24.7%
50
EGOI '22 P1 - SubsetMex
EGOI
10p
36.1%
71
EGOI '22 P2 - Lego Wall
EGOI
15p
10.2%
25
EGOI '22 P3 - Social Engineering
EGOI
15p
6.3%
17
EGOI '22 P5 - Data Centers
EGOI
10p
31.9%
46
EGOI '23 P2 - Padel Prize Pursuit
EGOI
10p
17.5%
40
EGOI '23 P3 - Find the Box
EGOI
17p
14.2%
18
EGOI '23 P5 - Carnival General
EGOI
10p
23.1%
70
EGOI '23 P6 - Candy
EGOI
12p
21.8%
58
EGOI '23 P7 - Sopsug
EGOI
17p
5.7%
16
Assembly Elves
Uncategorized
10p
12.4%
24
Evan's Cube
Uncategorized
12p
26.1%
10
Executable Format
Uncategorized
10
28.3%
22
Expected Value
Uncategorized
15
24.2%
21
Falling Snowflakes
Uncategorized
15p
40.2%
38
Fast LCA
Uncategorized
12
22.4%
53
Fast LCA (Hard)
Uncategorized
17
8.5%
7
The Codefather
Uncategorized
15p
6.8%
21
Facebook Hacker Cup '15 Round 1 P1 - Homework
FHC
10
33.8%
673
Facebook Hacker Cup '15 Round 1 P2 - Autocomplete
FHC
10
37.4%
301
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