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Hot problems
CEOI '16 P2 - Kangaroo
DWITE '10 R3 #3 - Dominos Tiling
COCI '08 Contest 3 #6 Najkraci
CCC '24 J3 - Bronze Count
APIO '10 P1 - Commando
CCC '24 S4 - Painting Roads
CCC '23 J3 - Special Event
Problem
Category
Points
AC % ▾
Users
CSPC '15 #3 - Spell Check
CSPC
7
27.9%
81
WC '95 P5 - Factorial Power
Woburn Challenge
5
27.9%
123
IOI '10 P3 - Quality of Living
IOI
15p
27.9%
149
COI '14 #4 Sir
COCI
25p
27.9%
9
EGOI '23 P1 - Inflation
EGOI
7p
27.9%
135
IOI '07 P6 - Training
IOI
40p
27.9%
67
COCI '08 Contest 4 #3 Rot
COCI
5
27.9%
35
ECOO '16 R2 P4 - Hop, Skip and Jump
ECOO
12p
27.9%
18
COCI '06 Contest 6 #3 Maraton
COCI
5
27.9%
223
UACC 1 P2 - Puzzling Parks
Uncategorized
5
27.8%
207
Halloween '14 P2 - Cat Girls
Seasonal
12p
27.8%
205
CCC '17 S2 - High Tide, Low Tide
CCC
5
27.8%
2844
NOI '14 P4 - Zoo
China NOI
15p
27.8%
77
Fizz Coke
Uncategorized
7p
27.8%
50
CCC '11 J4 - Boring Business
CCC
7
27.8%
1508
Triway Cup '19 Summer H - Time Traveller Imaxblue
Seasonal
30
27.8%
28
COCI '16 Contest 2 #2 Tavan
COCI
7p
27.8%
69
Summer Institute '17 Contest 1 P5 - Crazy Math
SIUCF
15
27.8%
62
COCI '07 Contest 5 #4 Avogadro
COCI
15p
27.8%
88
ICPC SWERC 2017 D - Candy Chain
ICPC
15
27.8%
17
Mock CCO '18 Contest 4 Problem 4 - Time Travel
Mock CCO
15p
27.8%
56
CCC '03 S3 - Floor Plan
CCC
7
27.8%
1954
Inaho IX
Uncategorized
20p
27.8%
45
Baltic OI '07 P6 - Sequence
Baltic OI
12p
27.8%
28
IOI '14 P3 - Game
IOI
20p
27.8%
217
DMOPC '15 Contest 7 P6 - A Very Very Original Problem
DMOPC
20p
27.8%
52
Valentine's Day '18 J5 & S2 - Ctudor's Cute Orchids
Mock CCC
7
27.7%
159
DMPG '18 B4 - Shimnanigans
DMOPC
5p
27.7%
88
COCI '11 Contest 3 #5 Plaće
COCI
12p
27.7%
26
DMOPC '21 Contest 1 P4 - Uneven Forest
DMOPC
20
27.7%
48
K-Dimensional Grids
Uncategorized
15p
27.7%
21
Another Contest 4 Problem 0 - The April Fools Warmup Problem
ACC
0
27.7%
467
COCI '06 Contest 6 #6 Prostor
COCI
25p
27.7%
33
Mock CCO '18 Contest 2 Problem 2 - Victor Rains
Mock CCO
20p
27.7%
21
WC '16 Contest 1 S2 - Alucard's Quest
Woburn Challenge
10p
27.7%
66
COCI '12 Contest 6 #4 Burek
COCI
12p
27.7%
16
TLE '16 Contest 1 P4 - Microwaves Again!
TLE
12p
27.7%
66
DMPG '15 B2 - Trunk in Trunk
DMOPC
5p
27.7%
212
WC '17 Contest 2 J4 - Entish Translation
Woburn Challenge
7p
27.7%
40
TSOC '15 Contest 1 #4 - Restaurant Of Secrets
TSOC
5p
27.7%
45
IOI '12 P4 - Ideal City
IOI
25p
27.7%
12
LKP '18 Contest 2 P3 - Non-strategic Bombing
Uncategorized
7
27.6%
102
CCO '11 P1 - Putnam
CCO
7
27.6%
108
DMPG '18 G6 - Class Chitchat
DMOPC
20p
27.6%
85
DMPG '17 G2 - Holy Grail War
DMOPC
17p
27.6%
257
An Animal Contest 1 P5 - Odd Alpacas
AAC
12p
27.6%
108
Balkan OI '11 P3 - Medians
Balkan OI
12p
27.6%
37
COCI '13 Contest 1 #4 Lopov
COCI
15p
27.6%
485
King Graff's Tolls
Uncategorized
17p
27.6%
55
Mock CCC '20 Contest 2 S2 - 4D BBST on a DP
Mock CCC
5p
27.6%
281
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