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Hot problems
WC '17 Contest 3 J3 - Uncrackable
ACSL '09 Practice P4 - Rank
CCC '24 S2 - Heavy-Light Composition
CCC '11 S1 - English or French?
Problem
Category ▴
Points
AC %
Users
Baltic OI '05 P1 - Camouflaged camp
Baltic OI
12
44.8%
43
Baltic OI '05 P2 - LISP
Baltic OI
7
9.6%
34
Baltic OI '05 P3 - Maze
Baltic OI
12
41.3%
33
Baltic OI '05 P4 - Ancient Manuscript
Baltic OI
12
33.3%
20
Baltic OI '05 P5 - Bus Trip
Baltic OI
17
51.9%
20
Baltic OI '05 P6 - Polygon
Baltic OI
20
7.0%
6
Baltic OI '06 P5 - RLE Compression
Baltic OI
20
11.1%
5
Baltic OI '13 P1 - Ball Machine
Baltic OI
15p
23.4%
14
Baltic OI '09 P1 - Beetle
Baltic OI
15
33.1%
37
Baltic OI '09 P2 - Candy Machine
Baltic OI
12p
35.6%
18
Baltic OI '09 P4 - Rectangle
Baltic OI
10p
12.1%
18
Baltic OI '09 P3 - Subway Signaling Error
Baltic OI
12p
36.4%
4
Baltic OI '09 P5 - Triangulation
Baltic OI
20p
36.5%
9
Baltic OI '09 P6 - Monument
Baltic OI
17
8.6%
6
Baltic OI '07 P4 - Building a Fence
Baltic OI
12p
19.2%
5
Baltic OI '07 P5 - Connected Points
Baltic OI
15p
29.2%
6
Baltic OI '07 P6 - Sequence
Baltic OI
12p
27.2%
27
Baltic OI '08 P1 - Game
Baltic OI
25p
12.5%
2
Baltic OI '08 P2 - Gates
Baltic OI
15p
16.7%
1
Baltic OI '08 P3 - Magical Stones
Baltic OI
20p
0.0%
0
Baltic OI '08 P4 - Elections
Baltic OI
12p
36.4%
15
Baltic OI '08 P5 - Grid
Baltic OI
17p
25.0%
4
Baltic OI '08 P6 - Gloves
Baltic OI
17p
13.0%
19
Baltic OI '10 P1 - BEARs
Baltic OI
15
30.4%
5
Baltic OI '10 P2 - Lego
Baltic OI
12p
53.8%
4
Baltic OI '10 P3 - Printed Circuit Board
Baltic OI
12p
51.1%
20
Baltic OI '10 P4 - Matching Bins
Baltic OI
7p
20.8%
26
Baltic OI '10 P5 - Candies
Baltic OI
17p
25.9%
19
Baltic OI '10 P6 - Mines
Baltic OI
15p
9.1%
1
Baltic OI '11 P1 - Growing Trees
Baltic OI
20p
23.2%
26
Baltic OI '11 P2 - Ice Cream
Baltic OI
5p
34.9%
51
Baltic OI '11 P3 - Switch the Lamp On
Baltic OI
12p
24.7%
20
Baltic OI '11 P4 - Treasures and Vikings
Baltic OI
15p
37.7%
18
Baltic OI '11 P5 - Meetings
Baltic OI
25p
8.3%
3
Baltic OI '15 P1 - Bowling
Baltic OI
20p
50.0%
3
Baltic OI '15 P2 - Editor
Baltic OI
25p
45.9%
9
Baltic OI '15 P3 - Network
Baltic OI
15p
26.4%
21
Baltic OI '15 P4 - File Paths
Baltic OI
20p
53.3%
4
Baltic OI '15 P5 - Hacker
Baltic OI
15p
43.9%
14
Baltic OI '15 P6 - Tug of War
Baltic OI
20p
11.1%
4
Baltic OI '03 P1 - Barrel
Baltic OI
10p
7.9%
4
Baltic OI '03 P2 - Gems
Baltic OI
12p
46.9%
14
Baltic OI '03 P4 - The Gangs
Baltic OI
12p
41.2%
43
Baltic OI '03 P5 - Lamps
Baltic OI
15p
29.9%
17
Baltic OI '11 P6 - Plagiarism
Baltic OI
7p
27.4%
38
Baltic OI '11 P7 - Polygon
Baltic OI
17p
37.7%
9
Baltic OI '11 P8 - Tree Mirroring
Baltic OI
35p
15.6%
7
Baltic OI '13 P4 - Brunhilda's Birthday
Baltic OI
15p
27.0%
10
Baltic OI '13 P3 - Pipes
Baltic OI
25p
13.3%
4
Baltic OI '14 P2 - Three Friends
Baltic OI
7p
19.3%
45
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