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Hot problems
WC '17 Contest 3 J3 - Uncrackable
ACSL '09 Practice P4 - Rank
CCC '11 S1 - English or French?
DMOPC '20 Contest 1 P3 - Victor's Algorithm
CCC '24 J4 - Troublesome Keys
Problem
Category
Points
AC % ▾
Users
TLE '17 Contest 3 P5 - Hypercube Hotel
TLE
17p
25.3%
50
DWITE '10 R2 #5 - Cogwheels
DWITE
7
25.3%
14
COCI '09 Contest 6 #2 Natjecanje
COCI
5
25.3%
92
Number Theoretic Transform
Uncategorized
12
25.3%
10
SMAC 08/09 (Nov) #4 - Infinite Degrees
Uncategorized
12p
25.3%
18
Back From Summer '17 P2: Crayola Lightsaber
Seasonal
7
25.2%
589
DMPG '15 S5 - Black and White
DMOPC
12p
25.2%
446
Prime Factorization
Uncategorized
5
25.2%
899
COCI '20 Contest 1 #1 Patkice
COCI
5p
25.2%
119
NOI '01 P1 - Food Chain
China NOI
15p
25.2%
82
CCO '19 P6 - Bad Codes
CCO
20p
25.2%
67
JOI '19 Final P3 - Collecting Stamps 3
JOI
15
25.2%
38
IOI '22 P4 - Digital Circuit
IOI
25p
25.2%
25
DMOPC '14 Contest 1 P4 - Perfect Timing
DMOPC
5p
25.2%
158
Double Doors Regional P5 - Tudor Eats Ice Cream Cones
Uncategorized
15
25.2%
36
VMSS '15 #3 - Jeffrey and Roads
VM7WC
7
25.2%
86
ICPC PACNW 2016 I - Postman
ICPC
12
25.2%
31
A New Country
Uncategorized
25p
25.1%
17
EGOI '23 P5 - Carnival General
EGOI
10p
25.1%
48
Art Academy V: Ruin
Uncategorized
12p
25.1%
46
SMAC 08/09 (Oct) #5 - Crossroads
Uncategorized
12p
25.1%
30
MWC '15 #1 P3: Dolls
MWC
3
25.1%
184
CCC '02 J2 - AmeriCanadian
CCC
3
25.1%
3860
DWITE '06 R5 #5 - Prime Palindromes
DWITE
10
25.0%
209
SAC '22 Code Challenge 3 P3 - Bob Sort
SAC Coding Challenge
5p
25.0%
144
GFSSOC '14 Winter S3 - Hide n Seek
GFSSOC
12p
25.0%
186
ECOO '16 R3 P3 - CamelCase
ECOO
10p
25.0%
184
COCI '17 Contest 4 #5 Krov
COCI
15p
25.0%
12
IOI '18 P2 - Seats
IOI
40p
25.0%
7
COCI '15 Contest 6 #6 San
COCI
20p
25.0%
1
CCO '98 P4 - Scoring Curling
CCO
7p
25.0%
8
DMPG '19 G6 - Pairs
DMOPC
20p
25.0%
12
DMOPC '19 Contest 3 P6 - TST
DMOPC
25
25.0%
14
COCI '09 Contest 3 #6 Planete
COCI
20
25.0%
1
ACSL '09 Contest 1 Senior - Bridge
Uncategorized
10p
25.0%
15
Baltic OI '19 P4 - Tom's Kitchen
Baltic OI
15p
25.0%
72
Baltic OI '17 P4 - Friends
Baltic OI
35p
25.0%
5
COCI '13 Contest 3 #6 Odašiljači
COCI
17p
25.0%
1
ICPC NEERC 2014 I - Improvements
ICPC
15
25.0%
3
Baltic OI '08 P5 - Grid
Baltic OI
17p
25.0%
4
COI '16 #4 Zagrade
COCI
25p
25.0%
10
COI '14 #1 Čvenk
COCI
17p
25.0%
3
IOI '12 P4 - Ideal City
IOI
25p
25.0%
10
IOI '12 P5 - Last Supper
IOI
30p
25.0%
5
NOI '22 P2 - Stone
China NOI
30p
25.0%
2
DMOPC '22 Contest 1 P1 - Up-down Sequence
DMOPC
5p
25.0%
263
DMOPC '17 Contest 2 P3 - Bad Bunnies
DMOPC
10p
25.0%
382
Miracle Sort
Seasonal
3
25.0%
371
Good Strategy
Uncategorized
10
25.0%
68
DMOPC '17 Contest 4 P0 - Catch
DMOPC
3
24.9%
197
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