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Hot problems
Postfix Notation
CCC '06 S2 - Attack of the CipherTexts
Problem
Category
Points
AC %
Users
IOI '15 P3 - Teams (Standard I/O)
IOI
35p
3.8%
43
IOI '15 P4 - Horses
IOI
15p
11.5%
122
IOI '15 P4 - Horses (Standard I/O)
IOI
15p
7.7%
174
IOI '15 P5 - Sorting
IOI
25p
18.8%
84
IOI '15 P5 - Sorting (Standard I/O)
IOI
25p
18.5%
193
IOI '15 P6 - Towns
IOI
40p
14.9%
62
IOI '16 P1 - Detecting Molecules
IOI
12p
12.3%
183
IOI '16 P1 - Detecting Molecules (Standard I/O)
IOI
12p
15.0%
266
IOI '16 P2 - Roller Coaster Railroad
IOI
35p
42.4%
38
IOI '16 P2 - Roller Coaster Railroad (Standard I/O)
IOI
35p
13.1%
28
IOI '16 P3 - Shortcut
IOI
40p
8.7%
15
IOI '16 P3 - Shortcut (Standard I/O)
IOI
40p
1.6%
7
IOI '16 P4 - Paint by Numbers
IOI
15p
11.9%
64
IOI '16 P4 - Paint by Numbers (Standard I/O)
IOI
15p
10.2%
67
IOI '16 P5 - Unscrambling a Messy Bug
IOI
20p
18.7%
72
IOI '16 P6 - Aliens
IOI
30p
7.4%
97
IOI '16 P6 - Aliens (Standard I/O)
IOI
30p
6.7%
78
IOI '17 P1 - Nowruz
IOI
20p
0.3%
1
IOI '17 P2 - Wiring
IOI
25p
16.1%
73
IOI '17 P3 - Toy Train
IOI
30p
17.4%
42
IOI '17 P4 - The Big Prize
IOI
20p
10.9%
64
IOI '17 P5 - Simurgh
IOI
40p
13.3%
20
IOI '17 P6 - Ancient Books
IOI
25p
10.7%
33
IOI '18 P1 - Combo
IOI
15p
15.2%
219
IOI '18 P2 - Seats
IOI
40p
12.3%
14
IOI '18 P3 - Werewolf
IOI
30p
23.4%
66
IOI '18 P4 - Mechanical Doll
IOI
20p
23.3%
19
IOI '18 P5 - Highway Tolls
IOI
30p
9.8%
18
IOI '18 P6 - Meetings
IOI
35p
12.0%
12
IOI '19 P1 - Arranging Shoes
IOI
15p
17.1%
176
IOI '19 P2 - Split the Attractions
IOI
40p
5.3%
36
IOI '19 P3 - Rectangles
IOI
30p
5.8%
27
IOI '19 P4 - Broken Line
IOI
35p
1.8%
4
IOI '19 P5 - Vision Program
IOI
20p
8.9%
42
IOI '19 P6 - Sky Walking
IOI
40p
9.4%
12
IOI '20 P1 - Comparing Plants
IOI
40p
6.5%
21
IOI '20 P2 - Connecting Supertrees
IOI
15p
8.5%
85
IOI '20 P3 - Carnival Tickets
IOI
20p
12.7%
53
IOI '20 P4 - Packing Biscuits
IOI
25p
14.1%
23
IOI '20 P5 - Counting Mushrooms
IOI
35p
4.1%
7
IOI '20 P6 - Stations
IOI
20p
11.7%
33
IOI '21 P1 - Distributing Candies
IOI
30p
13.0%
38
IOI '21 P2 - Keys
IOI
25p
9.7%
17
IOI '21 P3 - Fountain Parks
IOI
30p
6.2%
11
IOI '21 P4 - Mutating DNA
IOI
12p
30.7%
105
IOI '21 P5 - Dungeons Game
IOI
30p
6.4%
12
IOI '21 P6 - Bit Shift Registers
IOI
30p
14.0%
11
IOI '22 P1 - Catfish Farm
IOI
25p
7.5%
66
IOI '22 P2 - Prisoner Challenge
IOI
25p
8.5%
32
IOI '22 P3 - Radio Towers
IOI
30p
6.2%
19
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