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Hot problems
CCC '23 J3 - Special Event
CCC '24 S2 - Heavy-Light Composition
Problem
Category ▴
Points
AC %
Users
CCO '00 P4 - Packet Routing
CCO
7
59.8%
58
CCO '00 P5 - Millikan's Oil Droplet Experiment
CCO
7
22.3%
54
CCO '00 P6 - Extension Cords
CCO
12
18.0%
7
CCO '01 P1 - The Monkey Dance
CCO
10
41.5%
222
CCO '01 P2 - Coke or Chocolate Milk
CCO
12
17.1%
11
CCO '01 P3 - Partitions
CCO
12
33.9%
63
CCO '19 P1 - Human Error
CCO
10p
30.4%
88
CCO '19 P2 - Sirtet
CCO
20p
23.3%
83
CCO '19 P3 - Winter Driving
CCO
30p
17.1%
66
CCO '19 P4 - Card Scoring
CCO
25p
15.3%
68
CCO '19 P5 - Marshmallow Molecules
CCO
15p
26.5%
128
CCO '19 P6 - Bad Codes
CCO
20p
25.6%
69
CCO '01 P5 - Fast Food
CCO
7
10.1%
29
CCO '01 P6 - Election Night
CCO
15
15.2%
47
CCO '02 P1 - Spam
CCO
12
49.1%
22
CCO '02 P2 - Game Show Math
CCO
12
21.4%
35
CCO '02 P3 - Return To Blind Man's Bluff
CCO
12
12.2%
16
CCO '02 P4 - Duathlon
CCO
10
11.3%
38
CCO '02 P5 - Connect The Campus
CCO
12
31.0%
101
CCO '02 P6 - Pit Stop Strategy
CCO
12
52.7%
9
CCO '20 P1 - A Game with Grundy
CCO
10p
20.3%
215
CCO '20 P2 - Exercise Deadlines
CCO
15p
29.6%
290
CCO '20 P3 - Mountains and Valleys
CCO
35p
5.8%
25
CCO '20 P4 - Travelling Salesperson
CCO
25p
19.6%
92
CCO '20 P5 - Interval Collection
CCO
25p
16.0%
60
CCO '20 P6 - Shopping Plans
CCO
30p
9.2%
40
CCO '06 P1 - CN Tower
CCO
5
25.5%
141
CCO '06 P2 - R & J
CCO
10
20.8%
35
CCO '06 P3 - Codec
CCO
25p
0.0%
0
CCO '06 P4 - CN Tower 2
CCO
30
5.4%
11
CCO '06 P5 - Domino
CCO
30
3.9%
3
CCO '06 P6 - Paint by Numbers
CCO
30
11.0%
9
CCO '04 P1 - Scribble
CCO
5
42.8%
126
CCO '04 P2 - Hockey Scores
CCO
12
20.5%
66
CCO '04 P3 - S and K
CCO
15p
4.5%
6
CCO '04 P4 - Return of Space Turtle
CCO
12
14.2%
46
CCO '04 P6 - Orko
CCO
15
31.6%
42
CCO '04 P5 - Jengaism
CCO
7
31.8%
116
CCO '03 P3 - Cube
CCO
20p
12.4%
14
CCO '05 P2 - The Great Spamway Strike
CCO
20
40.8%
43
CCO '08 P3 - Mobile
CCO
17p
31.3%
46
CCO '03 P5 - Longest Substring
CCO
7p
15.8%
86
CCO '03 P2 - Concentration Cards
CCO
15
36.1%
31
CCO '05 P6 - Windows
CCO
30p
14.2%
28
CCO '05 P4 - Primed Sequences
CCO
12p
12.6%
92
CCO '03 P1 - BFed
CCO
10
25.4%
61
CCO '03 P4 - Constrained Permutations
CCO
5
49.8%
163
CCO '08 P2 - King & Weber
CCO
10p
17.6%
69
CCO '03 P6 - Cheap Gas
CCO
20p
13.1%
79
CCO '21 P1 - Swap Swap Sort
CCO
17p
16.8%
152
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