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Hot problems
APIO '10 P1 - Commando
COCI '08 Contest 3 #6 Najkraci
DWITE '10 R3 #3 - Dominos Tiling
CCC '24 S4 - Painting Roads
CCC '24 J3 - Bronze Count
DWITE '11 R5 #4 - Cube World
Counting Subsequences
Problem ▾
Category
Points
AC %
Users
DWITE '10 R3 #5 - E-Searching
DWITE
7
42.4%
10
DWITE '10 R3 #4 - Forest Fires
DWITE
7
39.8%
129
DWITE '10 R3 #3 - Dominos Tiling
DWITE
10
45.8%
275
DWITE '10 R3 #2 - Unit rectangles
DWITE
5
54.5%
52
DWITE '10 R3 #1 - Integers along a line
DWITE
5
21.7%
24
DWITE '10 R2 #5 - Cogwheels
DWITE
7
25.3%
14
DWITE '10 R2 #4 - Fractions to Decimal
DWITE
7
37.7%
18
DWITE '10 R2 #3 - Escape and Loot
DWITE
5
34.4%
95
DWITE '10 R2 #2 - Seating Arrangement
DWITE
5
52.2%
8
DWITE '10 R2 #1 - Pattern Matching
DWITE
3
40.1%
89
DWITE '10 R1 #5 - Ricochet Robot
DWITE
7
42.1%
19
DWITE '10 R1 #4 - Planting Trees
DWITE
7
50.0%
16
DWITE '10 R1 #3 - Power tiles
DWITE
5
68.7%
135
DWITE '10 R1 #2 - Robot Vacuum Prototype
DWITE
3
38.5%
59
DWITE '10 R1 #1 - Age Gate
DWITE
3
33.1%
210
DWITE '09 R7 #5 - Snapper Chain
DWITE
10
51.3%
75
DWITE '09 R7 #4 - What is this Algebra?
DWITE
12
22.0%
13
DWITE '09 R7 #3 - Oil Spill Area
DWITE
7
53.6%
80
DWITE '09 R7 #2 - Sum of Primes
DWITE
5
55.3%
348
DWITE '09 R7 #1 - Binary Equipment
DWITE
3
43.2%
106
DWITE '09 R6 #5 - Air Travel Planning
DWITE
7
61.0%
118
DWITE '09 R6 #4 - Time for Change
DWITE
7
58.0%
210
DWITE '09 R6 #3 - Bill Amendments
DWITE
5
25.5%
11
DWITE '09 R6 #2 - Round to power of two
DWITE
3
50.3%
181
DWITE '09 R6 #1 - ROT13 Encryption
DWITE
3
46.7%
98
DWITE '09 R5 #5 - Weak Passwords
DWITE
5
38.5%
26
DWITE '09 R5 #4 - Kind of like OCR
DWITE
7
48.2%
19
DWITE '09 R5 #3 - Summary Diff
DWITE
5
61.8%
19
DWITE '09 R5 #2 - Round to Second Prime
DWITE
5
57.2%
250
DWITE '09 R5 #1 - ASCII bar graphs
DWITE
3
66.1%
137
DWITE '09 R4 #5 - Ice Maze
DWITE
10
51.2%
36
DWITE '09 R4 #4 - Autocomplete
DWITE
7
61.5%
45
DWITE '09 R4 #3 - Moving at the same time
DWITE
5
31.1%
57
DWITE '09 R4 #2 - Verifying Distributed Work
DWITE
3
31.1%
43
DWITE '09 R4 #1 - Social Media Overload
DWITE
3
65.9%
100
DWITE '09 R3 #5 - Up To Four Colours
DWITE
12
61.3%
37
DWITE '09 R3 #4 - Spiral Out
DWITE
7
69.0%
17
DWITE '09 R3 #3 - Binary Test Strings 2
DWITE
5
73.2%
27
DWITE '09 R3 #2 - Rounding to Fibonacci
DWITE
5
63.4%
171
DWITE '09 R3 #1 - Quiz Time
DWITE
3
46.1%
97
DWITE '09 R2 #5 - Portals Redux
DWITE
12
39.7%
23
DWITE '09 R2 #4 - Breadth First Not Quite Tree
DWITE
5
33.1%
151
DWITE '09 R2 #3 - Binary Test String
DWITE
5
36.2%
38
DWITE '09 R2 #2 - Mini DWITE
DWITE
3
31.7%
90
DWITE '09 R2 #1 - Angles
DWITE
5
46.6%
18
DWITE '09 R1 #5 - Running In Circles
DWITE
7
19.8%
316
DWITE '09 R1 #4 - My First True Letter
DWITE
3
38.1%
104
DWITE '09 R1 #3 - That Missing Number
DWITE
5
52.7%
257
DWITE '09 R1 #2 - Word Scrambler
DWITE
5
57.0%
225
DWITE '09 R1 #1 - iProfits
DWITE
3
49.3%
62
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