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Hot problems
Singularity Cup P2 - Reverse Substring Partitioning
CCC '20 S4 - Swapping Seats
CCC '24 J4 - Troublesome Keys
CCC '20 J4 - Cyclic Shifts
Strict Evaluation
Singularity Cup P1 - Maximum Permutation Product
Dynamic Range Minimum Test
Problem
Category
Points
AC %
Users
IOI '12 P3 - Crayfish Scrivener
IOI
15p
31.1%
85
IOI '12 P3 - Crayfish Scrivener (Standard I/O)
IOI
15p
16.6%
277
IOI '12 P4 - Ideal City
IOI
25p
23.6%
12
IOI '12 P4 - Ideal City (Standard I/O)
IOI
25p
50.0%
7
IOI '12 P5 - Last Supper
IOI
30p
21.7%
9
IOI '12 P6 - Jousting Tournament
IOI
17p
17.0%
21
IOI '12 P6 - Jousting Tournament (Standard I/O)
IOI
17p
19.8%
16
IOI '13 P1 - Dreaming
IOI
15p
23.2%
239
IOI '13 P1 - Dreaming (Standard I/O)
IOI
15p
18.5%
545
IOI '13 P2 - Art Class (Standard I/O)
IOI
20p
2.9%
93
IOI '13 P3 - Wombats
IOI
40p
13.2%
38
IOI '13 P3 - Wombats (Standard I/O)
IOI
40p
9.6%
60
IOI '13 P4 - Cave
IOI
10p
18.8%
330
IOI '13 P5 - Robots
IOI
20p
18.8%
98
IOI '13 P5 - Robots (Standard I/O)
IOI
20p
15.2%
283
IOI '13 P6 - Game
IOI
25p
9.0%
82
IOI '13 P6 - Game (Standard I/O)
IOI
17p
8.4%
151
IOI '14 P1 - Rail
IOI
30p
11.1%
51
IOI '14 P2 - Wall
IOI
20p
25.0%
221
IOI '14 P2 - Wall (Standard I/O)
IOI
20p
16.1%
295
IOI '14 P3 - Game
IOI
20p
28.0%
227
IOI '14 P4 - Gondola
IOI
15p
11.4%
107
IOI '14 P4 - Gondola (Standard I/O)
IOI
15
8.5%
224
IOI '14 P5 - Friend
IOI
30p
26.8%
107
IOI '14 P5 - Friend (Standard I/O)
IOI
30p
18.0%
199
IOI '14 P6 - Holiday
IOI
30p
15.8%
92
IOI '14 P6 - Holiday (Standard I/O)
IOI
30p
12.7%
144
IOI '14 Practice Task 1 - Square
IOI
10p
49.1%
201
IOI '14 Practice Task 2 - Station
IOI
7p
51.6%
64
IOI '14 Practice Task 3 - Tile
IOI
10p
28.1%
65
IOI '15 P1 - Boxes with Souvenirs
IOI
15p
13.8%
108
IOI '15 P1 - Boxes with Souvenirs (Standard I/O)
IOI
15p
8.4%
194
IOI '15 P2 - Scales
IOI
25p
6.8%
25
IOI '15 P3 - Teams
IOI
35p
8.8%
32
IOI '15 P3 - Teams (Standard I/O)
IOI
35p
3.6%
38
IOI '15 P4 - Horses
IOI
15p
11.5%
106
IOI '15 P4 - Horses (Standard I/O)
IOI
15p
7.6%
164
IOI '15 P5 - Sorting
IOI
25p
21.2%
71
IOI '15 P5 - Sorting (Standard I/O)
IOI
25p
18.6%
186
IOI '15 P6 - Towns
IOI
40p
15.5%
60
IOI '16 P1 - Detecting Molecules
IOI
12p
11.9%
165
IOI '16 P1 - Detecting Molecules (Standard I/O)
IOI
12p
14.2%
241
IOI '16 P2 - Roller Coaster Railroad
IOI
35p
43.2%
37
IOI '16 P2 - Roller Coaster Railroad (Standard I/O)
IOI
35p
12.9%
27
IOI '16 P3 - Shortcut
IOI
40p
8.8%
15
IOI '16 P3 - Shortcut (Standard I/O)
IOI
40p
1.7%
7
IOI '16 P4 - Paint by Numbers
IOI
15p
12.5%
58
IOI '16 P4 - Paint by Numbers (Standard I/O)
IOI
15p
10.3%
66
IOI '16 P5 - Unscrambling a Messy Bug
IOI
20p
17.5%
68
IOI '16 P6 - Aliens
IOI
30p
7.0%
85
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