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Hot problems
CCC '24 J3 - Bronze Count
COCI '08 Contest 4 #6 Periodni
APIO '09 P1 - Digging for Oil
Fibonacci Sequence
COCI '23 Contest 5 #1 Zlagalica
CCC '24 J5 - Harvest Waterloo
Segment Tree Test
Problem
Category
Points ▾
AC %
Users
WC '18 Finals S1 - Behind the Scenes
Woburn Challenge
7p
38.9%
46
WC '16 Contest 3 J1 - The Elite N
Woburn Challenge
7p
18.6%
33
WC '17 Contest 3 J4 - Meme Generator
Woburn Challenge
7
20.3%
21
WC '01 Suicidal P3 - Regis
Woburn Challenge
7
16.5%
35
WC '99 P1 - The Matrix
Woburn Challenge
7
33.9%
44
WC '16 Contest 3 S1 - Cutting Edge
Woburn Challenge
7p
10.1%
28
WC '17 Contest 2 J4 - Entish Translation
Woburn Challenge
7p
27.7%
40
WC '16 Contest 3 J2 - Pokéwarehouses
Woburn Challenge
7p
12.5%
17
WC '99 P2 - Mission Impossible
Woburn Challenge
7
19.1%
55
WC '16 Contest 2 J2 - EHC
Woburn Challenge
7p
11.1%
26
WC '02 P8 - Deploying Troops
Woburn Challenge
7
17.8%
44
CCCHK '15 S1 - Finding number of pairs
CCC
7p
13.7%
142
DMOJ Capture The Flag '20 G4 - All the folders in the world
CTF
7
14.0%
9
DMOJ Capture The Flag '20 F3 - Four Taps
CTF
7
44.2%
22
DMOJ Capture The Flag '20 C3 - Small AES
CTF
7
71.0%
21
DMOJ Capture The Flag '20 R2 - EZ Assembly
CTF
7
53.3%
21
DMOJ Capture The Flag '20 R3 - Harder Assembly
CTF
7
29.4%
14
DMOJ Capture The Flag '20 B2 - Strings
CTF
7
16.5%
23
DMOJ Capture The Flag '20 B3 - Classic Buffer Overflow
CTF
7
10.7%
25
Baltic OI '05 P2 - LISP
Baltic OI
7
9.3%
32
Sudoku Challenge
Uncategorized
7p
17.3%
57
IOI '14 Practice Task 2 - Station
IOI
7p
57.9%
50
COCI '09 Contest 7 #2 Cokolada
COCI
7
44.8%
98
Word Wrap Cypher
Uncategorized
7
35.8%
32
Coding Spree
Uncategorized
7p
41.3%
491
2spooky4me
Uncategorized
7
11.5%
432
DWITE '02 R2 #3 - The Game of Life
DWITE
7
54.0%
89
Mock DWITE '09 P3 - Trailing Bears!
Uncategorized
7
53.7%
52
DWITE '06 R5 #1 - Points on a Line
DWITE
7
36.3%
77
WCIPEG 2018 ECOO Qualifier P3 - Shattering Shadows 2
ECOO
7p
19.4%
10
IOI '06 P1 - Deciphering the Mayan Writing
IOI
7p
39.4%
424
Mock DWITE '09 P2 - The Missing Link...
Uncategorized
7
16.6%
112
DWITE '06 R5 #4 - Connect-4
DWITE
7
64.0%
39
Mohan's Physics Problem
Uncategorized
7
10.3%
39
There's a Hole in the Bucket
Uncategorized
7
57.9%
130
Cosmic Inflation
Uncategorized
7
50.0%
28
DWITE '06 R5 #2 - Floppy Disk
DWITE
7p
56.4%
106
Coin Change
Uncategorized
7
40.7%
720
ICPC SWERC 2017 J - Frosting on the Cake
ICPC
7
42.2%
15
DMOPC '20 Contest 1 P3 - Victor's Algorithm
DMOPC
7p
35.5%
277
COCI '20 Contest 1 #2 Bajka
COCI
7p
42.9%
54
COCI '20 Contest 3 #1 Knjige
COCI
7
25.0%
46
DMOPC '20 Contest 3 P2 - Bob and Parallel-Ks
DMOPC
7p
13.1%
160
CPC '21 Contest 1 P2 - AQT and Multiset
Uncategorized
7p
22.6%
146
Mock CCC '21 S2 - Colorful Strings
Mock CCC
7p
18.1%
219
Chores
Uncategorized
7
26.5%
82
Riolku's Mock CCC S2 - Keen Keener Sequence
Mock CCC
7p
15.4%
147
CCC '21 J4 - Arranging Books
CCC
7p
19.6%
1310
CCC '21 S2 - Modern Art
CCC
7p
29.0%
2246
DMOPC '20 Contest 5 P2 - On The Clock
DMOPC
7p
18.2%
247
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