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Hot problems
CCC '22 S2 - Good Groups
CCC '20 S2 - Escape Room
CCC '13 J4 - Time on task
CCC '22 S1 - Good Fours and Good Fives
CCC '21 S1 - Crazy Fencing
CCC '17 S2 - High Tide, Low Tide
CCC '20 J4 - Cyclic Shifts
Problem
Category
Points
AC %
Users
CCC '00 J1 - Calendar
CCC
5
10.8%
1083
CCC '00 J2 - 9966
CCC
3
36.6%
1654
CCC '00 S1 - Slot Machines
CCC
5
27.5%
3472
CCC '00 S2 - Babbling Brooks
CCC
7
34.6%
1960
CCC '00 S3 - Surfing
CCC
7
16.6%
506
CCC '00 S4 - Golf
CCC
7
24.1%
1961
CCC '00 S5 - Sheep and Coyotes
CCC
10p
3.9%
139
CCC '00 S5 - Sheep and Coyotes (Hard)
CCC
20
3.5%
11
CCC '01 J1 - Dressing Up
CCC
3
49.1%
2415
CCC '01 J2 - Mod Inverse
CCC
3
42.9%
2127
CCC '01 S1 - Keeping Score
CCC
5
32.9%
1255
CCC '01 S2 - Spirals
CCC
5
41.2%
769
CCC '01 S2 - Spirals (Exact Version)
CCC
7
8.6%
94
CCC '01 S3 - Strategic Bombing
CCC
7
38.2%
1218
CCC '01 S4 - Cookies
CCC
10
18.9%
357
CCC '01 S5 - Post's Correspondence Problem
CCC
10
27.5%
265
CCC '02 J1 - 0123456789
CCC
3
4.7%
514
CCC '02 J2 - AmeriCanadian
CCC
3
25.0%
3116
CCC '02 S1 - The Students' Council Breakfast
CCC
5
38.7%
1288
CCC '02 S2 - Fraction Action
CCC
5
18.3%
1587
CCC '02 S3 - Blindfold
CCC
15
5.0%
97
CCC '02 S4 - Bridge Crossing
CCC
10p
37.1%
758
CCC '02 S4 - Bridge Crossing (Hard)
CCC
20
9.9%
27
CCC '02 S5 - Follow the Bouncing Ball
CCC
10
14.2%
146
CCC '03 J1 - Trident
CCC
3
28.9%
1964
CCC '03 J2 - Picture Perfect
CCC
3p
23.8%
1416
CCC '03 S1 - Snakes and Ladders
CCC
5
20.0%
2743
CCC '03 S2 - Poetry
CCC
5
16.7%
1241
CCC '03 S3 - Floor Plan
CCC
7
28.4%
1655
CCC '03 S4 - Substrings
CCC
15p
7.8%
339
CCC '03 S5 - Trucking Troubles
CCC
10p
27.6%
850
CCC '04 J1 - Squares
CCC
3
32.5%
5382
CCC '04 J2 - Terms of Office
CCC
3
37.2%
3121
CCC '04 J3 - Smile with Similes
CCC
3
58.4%
3374
CCC '04 J4 - Simple Encryption
CCC
5
52.3%
1450
CCC '04 J5 - Fractals
CCC
10
36.4%
181
CCC '04 S1 - Fix
CCC
5
33.1%
1008
CCC '04 S2 - TopYodeller
CCC
5
21.4%
610
CCC '04 S3 - Spreadsheet
CCC
10
27.7%
525
CCC '04 S4 - Space Turtle
CCC
10p
19.6%
142
CCC '04 S5 - Super Plumber
CCC
10p
23.1%
326
CCC '05 J1 - The Cell Sell
CCC
3
6.8%
1048
CCC '05 J2 - RSA Numbers
CCC
3
41.8%
2624
CCC '05 J3 - Returning Home
CCC
5
38.2%
2031
CCC '05 J4 - Cross Spiral
CCC
7p
34.5%
463
CCC '05 J5 - Bananas
CCC
10
21.4%
1239
CCC '05 S1 - Snow Calls
CCC
5
42.8%
1930
CCC '05 S2 - Mouse Move
CCC
5
36.4%
1457
CCC '05 S3 - Quantum Operations
CCC
10p
34.8%
376
CCC '05 S4 - Pyramid Message Scheme
CCC
10
35.5%
673
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