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Hot problems
CCC '19 S2 - Pretty Average Primes
CCC '00 S1 - Slot Machines
Problem
Category
Points
AC % ▾
Users
CCC '22 S4 - Good Triplets
CCC
15p
28.5%
310
Encode
Uncategorized
5
28.5%
246
Back To School '17: Sour Candy
Seasonal
15p
28.5%
81
COCI '11 Contest 6 #3 Zagrade
COCI
7
28.5%
32
COCI '21 Contest 4 #1 Autići
COCI
5p
28.5%
100
NOI '97 P2 - Optimal Routing
China NOI
7p
28.5%
59
DMOPC '18 Contest 6 P0 - SQL Queries
DMOPC
3
28.4%
166
APIO '18 P3 - Duathlon
APIO
30
28.4%
44
WC '16 Contest 3 S2 - Training Regimen
Woburn Challenge
12p
28.4%
103
PEG Test '11 - Cyclopian Cash
Uncategorized
3
28.4%
282
COCI '09 Contest 6 #5 Holmes
COCI
25p
28.4%
20
DMOPC '17 Contest 3 P4 - Solitaire Logic
DMOPC
10p
28.4%
17
Teleportation Tangle
Uncategorized
7p
28.4%
31
Troubling Triangles
Uncategorized
7
28.4%
433
HCI '16 - Unexpected Factorial
Uncategorized
5p
28.3%
85
Executable Format
Uncategorized
10
28.3%
22
COCI '20 Contest 3 #5 Specijacija
COCI
25p
28.3%
6
BlueBook - World Pop
BlueBook
3
28.3%
478
Mock CCC '14 S1 - Reverse Find
Mock CCC
5
28.3%
226
COCI '22 Contest 1 #4 Iksevi
COCI
12p
28.3%
28
CEOI '14 P2 - Fangorn
CEOI
20p
28.3%
18
VM7WC '16 #2 Silver - GG
VM7WC
5
28.3%
452
COCI '22 Contest 3 #2 Dirigent
COCI
7p
28.2%
84
DMOPC '15 Contest 1 P3 - Itami and Cipher
DMOPC
7p
28.2%
190
PEG-O-Stripes
Uncategorized
15
28.2%
9
SAC '22 Code Challenge 3 Junior P4 - Normal Conversions
SAC Coding Challenge
5p
28.2%
174
NOI '09 P3 - Modified Treap
China NOI
20p
28.2%
45
Mock CCC '19 Contest 2 J2 - Tudor Drinks Some More Tea
Mock CCC
3p
28.2%
375
Google Code Jam '21 Round 1A Problem B - Prime Time
Google Code Jam
17p
28.1%
7
COCI '23 Contest 5 #5 Trokut
COCI
17p
28.1%
8
NOI '01 P4 - Applications of Arctangent
China NOI
15
28.1%
81
MNYC '16: Rocks
Seasonal
15p
28.1%
165
ICPC ECNA 2016 D - Lost in Translation
ICPC
10
28.1%
112
ECOO '18 R3 P1 - Balanced
ECOO
12p
28.1%
12
DWITE '11 R1 #4 - C001 Numbers
DWITE
3
28.1%
85
COCI '21 Contest 3 #5 Kućice
COCI
25p
28.0%
15
COCI '18 Contest 1 #3 Cipele
COCI
10p
28.0%
171
Road Redirection
Uncategorized
17
28.0%
21
Fizz Coke
Uncategorized
7p
28.0%
50
COCI '22 Contest 3 #1 Estimathon
COCI
5p
28.0%
175
NOI '15 P2 - Software Package Manager
China NOI
20p
28.0%
44
IOI '10 P3 - Quality of Living (Standard I/O)
IOI
15p
28.0%
336
COCI '14 Contest 7 #5 Prosjek
COCI
15p
28.0%
200
IOI '14 Practice Task 3 - Tile
IOI
10p
28.0%
55
MWC '15 #4 P3: Salt
MWC
5p
28.0%
120
CCC '09 S3 - Degrees Of Separation
CCC
10
28.0%
1346
WC '15 Contest 2 J3 - Return of the Jedi
Woburn Challenge
5
28.0%
65
HCI '16 - Cheapest Operation Ever
Uncategorized
20p
28.0%
196
WC '16 Contest 2 J1 - The Perfect Mate
Woburn Challenge
3
28.0%
100
VM7WC '15 #2 Bronze - Recruits!
VM7WC
3
28.0%
344
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