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Hot problems
CCC '21 J3 - Secret Instructions
Problem
Category
Points ▾
AC %
Users
NOI '23 P2 - Osmanthus Tree
China NOI
25p
26.3%
5
NOI '23 P5 - String
China NOI
25p
18.9%
7
IOI '23 P1 - Closing Time
IOI
25p
4.5%
20
IOI '23 P2 - Longest Trip
IOI
25p
3.1%
13
IOI '23 P5 - Overtaking
IOI
25p
6.1%
11
Waterloo 2023 Fall E - Loose Goose
Waterloo Local
25
4.5%
1
DMOPC '23 Contest 1 P5 - Perfect Matching
DMOPC
25p
11.5%
14
Carving Tiny Fractions
Uncategorized
25p
5.3%
4
COCI '23 Contest 4 #3 Lepeze
COCI
25p
9.1%
5
MMCC '14 P2 - Kirito
Uncategorized
20p
25.9%
152
IOI '14 P3 - Game
IOI
20p
27.8%
217
A Times B
Uncategorized
20p
15.8%
124
CCC '14 S5 - Lazy Fox
CCC
20p
17.9%
456
Halloween '14 P4 - Fox Girls
Seasonal
20p
7.0%
54
COCI '14 Contest 1 #6 Kamp
COCI
20p
34.8%
141
COCI '14 Contest 2 #5 Šuma
COCI
20p
19.0%
64
COCI '14 Contest 2 #4 Bob
COCI
20p
29.3%
120
CCC '10 S5 - Nutrient Tree
CCC
20p
19.7%
268
GFSSOC '14 Winter S5 - Stardust Snow
GFSSOC
20p
12.2%
70
DMOPC '14 Contest 3 P5 - Not Enough Servers!
DMOPC
20p
20.2%
208
COCI '14 Contest 4 #6 Stanovi
COCI
20p
16.8%
70
Mailing Origami
Uncategorized
20
9.1%
67
New Year's '15 P6 - Tiles
Seasonal
20p
23.8%
26
The Cosmic Era P5 - GENESIS
Uncategorized
20
34.3%
122
New Year's '15 P5 - Message to Mars
Seasonal
20p
14.4%
52
Facebook Hacker Cup '15 Round 2 P3 - Autocomplete Strikes Back
FHC
20
49.0%
22
UTS Open '15 #5 - Distribution Channel
Uncategorized
20p
6.0%
60
DMOPC '14 Contest 4 P5 - Aircraft Carrier Akagi
DMOPC
20p
40.1%
24
COCI '14 Contest 6 #6 WTF
COCI
20p
9.6%
6
Linked List
Uncategorized
20p
7.0%
29
JOI '14 Open P1 - Factories
JOI
20p
32.9%
155
CCO '07 P3 - Bowling for Numbers++
CCO
20p
10.5%
80
CCO '07 P4 - Gerrymandering
CCO
20p
1.7%
3
CCO '07 P6 - Road Construction
CCO
20p
30.4%
181
CCO '12 P3 - Mhocskian Languages
CCO
20p
49.6%
103
CCO '13 P4 - A Romantic Movie Outing
CCO
20p
23.5%
91
CCO '14 P5 - Early Exam Evacuation
CCO
20p
23.3%
87
DMOPC '14 Contest 5 P6 - Nia and Dominoes
DMOPC
20p
9.3%
9
CCO Preparation Test 1 P1 - Double Cross
Mock CCO
20p
12.1%
10
CCO Preparation Test 1 P2 - Escape Maze
Mock CCO
20p
12.0%
39
CCO Preparation Test 2 P3 - Subsets
Mock CCO
20p
16.7%
39
Touching Segments
Uncategorized
20p
21.3%
86
DMOPC '14 Contest 7 P6 - Revenge of the Bins
DMOPC
20p
32.8%
115
CCO '15 P3 - Solar Flight
CCO
20p
12.8%
68
CCO '15 P5 - Timpanist
CCO
20p
36.5%
102
CEOI '14 P2 - Fangorn
CEOI
20p
28.3%
18
COCI '15 Contest 4 #6 Endor
COCI
20p
30.9%
36
New Year's '16 P8 - S-NO-wall
Seasonal
20p
16.4%
66
TLE '15 P6 - Rock, Paper, Scissors
TLE
20p
30.6%
56
CCC '16 S5 - Circle of Life
CCC
20p
22.5%
578
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