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Random
Hot problems
COCI '06 Contest 4 #4 Zbrka
CCC '24 S2 - Heavy-Light Composition
CCC '00 S1 - Slot Machines
CCC '23 S1 - Trianglane
Problem
Category
Points
AC %
Users
CCC '00 S5 - Sheep and Coyotes
CCC
10p
4.2%
185
CCC '00 S5 - Sheep and Coyotes (Hard)
CCC
20
6.3%
26
CCC '01 S4 - Cookies
CCC
10
18.8%
431
CCC '01 S5 - Post's Correspondence Problem
CCC
10
29.0%
322
CCC '02 S3 - Blindfold
CCC
15
6.2%
155
CCC '02 S4 - Bridge Crossing
CCC
10p
37.5%
913
CCC '02 S4 - Bridge Crossing (Hard)
CCC
20
8.6%
35
CCC '02 S5 - Follow the Bouncing Ball
CCC
10
13.9%
197
CCC '03 S4 - Substrings
CCC
15p
7.8%
385
CCC '03 S5 - Trucking Troubles
CCC
10p
17.7%
695
CCC '04 J5 - Fractals
CCC
10
35.9%
225
CCC '04 S3 - Spreadsheet
CCC
10
27.1%
623
CCC '04 S4 - Space Turtle
CCC
10p
19.9%
190
CCC '04 S5 - Super Plumber
CCC
10p
24.0%
410
CCC '05 J5 - Bananas
CCC
10
21.7%
1488
CCC '05 S3 - Quantum Operations
CCC
10p
34.8%
446
CCC '05 S4 - Pyramid Message Scheme
CCC
10
35.8%
826
CCC '05 S5 - Pinball Ranking
CCC
12p
19.3%
754
CCC '06 J5 - CCC Othello
CCC
10p
36.5%
240
CCC '06 S3 - Tin Can Telephone
CCC
12
20.8%
538
CCC '06 S4 - Groups
CCC
10
46.5%
335
CCC '06 S5 - Origin of Life
CCC
15
19.1%
122
CCC '07 S5 - Bowling for Numbers
CCC
10p
30.0%
883
CCC '08 S4 - Twenty-four
CCC
10
25.6%
829
CCC '08 S5 - Nukit
CCC
10p
37.3%
726
CCC '09 S2 - Lights Going On and Off
CCC
10
40.8%
914
CCC '09 S3 - Degrees Of Separation
CCC
10
27.9%
1369
CCC '09 S4 - Shop and Ship
CCC
10
20.9%
1044
CCC '09 S5 - Wireless
CCC
12p
35.4%
637
CCC '10 S3 - Firehose
CCC
15p
18.7%
682
CCC '10 S4 - Animal Farm
CCC
15p
25.7%
537
CCC '10 S5 - Nutrient Tree
CCC
20p
19.7%
270
CCC '11 S3 - Alice Through the Looking Glass
CCC
10p
36.0%
1214
CCC '11 S4 - Blood Distribution
CCC
15p
8.0%
165
CCC '11 S5 - Switch
CCC
12p
18.1%
421
CCC '12 S4 - A Coin Game
CCC
15
27.1%
467
CCC '13 S3 - Chances of Winning
CCC
10
41.3%
1386
CCC '13 S5 - Factor Solitaire
CCC
15p
43.0%
745
CCC '14 S4 - Tinted Glass Window
CCC
15p
29.2%
685
CCC '14 S5 - Lazy Fox
CCC
20p
17.9%
468
CCC '15 J5 - π-day
CCC
10p
27.4%
1505
CCC '15 S3 - Gates
CCC
10p
18.8%
1805
CCC '15 S4 - Convex Hull
CCC
15p
27.5%
1177
CCC '15 S5 - Greedy For Pies
CCC
17p
23.5%
562
CCC '16 S3 - Phonomenal Reviews
CCC
12p
26.3%
1124
CCC '16 S4 - Combining Riceballs
CCC
15p
29.1%
969
CCC '16 S5 - Circle of Life
CCC
20p
22.6%
592
CCC '17 S4 - Minimum Cost Flow
CCC
17p
14.0%
782
CCC '17 S5 - RMT
CCC
20p
19.6%
250
CCC '18 S3 - RoboThieves
CCC
12p
14.2%
1151
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