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Hot problems
CCC '24 J4 - Troublesome Keys
CCC '24 J5 - Harvest Waterloo
CCC '00 S2 - Babbling Brooks
CCC '19 J3 - Cold Compress
CCC '23 S4 - Minimum Cost Roads
CCC '05 J4 - Cross Spiral
BlueBook - Sieve
Problem
Category
Points
AC %
Users
CCC '05 S4 - Pyramid Message Scheme
CCC
10
35.8%
860
CCC '05 S5 - Pinball Ranking
CCC
12p
19.3%
768
CCC '06 J1 - Canadian Calorie Counting
CCC
3
27.0%
7822
CCC '06 J2 - Roll the Dice
CCC
3
27.2%
3216
CCC '06 J3 - Cell-Phone Messaging
CCC
3
41.7%
1559
CCC '06 J4 - It's tough being a teen!
CCC
7
41.5%
1307
CCC '06 J5 - CCC Othello
CCC
10p
37.0%
249
CCC '06 S1 - Maternity
CCC
5
37.4%
1187
CCC '06 S2 - Attack of the CipherTexts
CCC
5
5.6%
288
CCC '06 S3 - Tin Can Telephone
CCC
12
20.7%
558
CCC '06 S4 - Groups
CCC
10
44.8%
350
CCC '06 S5 - Origin of Life
CCC
15
19.7%
129
CCC '07 J1 - Who is in the Middle?
CCC
3
47.0%
9873
CCC '07 J2 - I Speak TXTMSG
CCC
3
21.9%
2434
CCC '07 J3 - Deal or No Deal Calculator
CCC
3
32.5%
3547
CCC '07 J4 - Anagram Checker
CCC
5
37.4%
2263
CCC '07 J5 - Keep on Truckin'
CCC
7
19.9%
1128
CCC '07 S1 - Federal Voting Age
CCC
3
36.2%
2416
CCC '07 S2 - Boxes
CCC
5
27.4%
1283
CCC '07 S3 - Friends
CCC
7
37.4%
1777
CCC '07 S4 - Waterpark
CCC
7
31.3%
1572
CCC '07 S5 - Bowling for Numbers
CCC
10p
29.9%
909
CCC '08 J1 - Body Mass Index
CCC
3
34.8%
5864
CCC '08 J2 - Do the Shuffle
CCC
3
42.5%
3756
CCC '08 J3 - GPS Text Entry
CCC
3
55.4%
1440
CCC '08 J4 - From Prefix to Postfix
CCC
7
42.9%
940
CCC '08 S1 - It's Cold Here!
CCC
5
37.7%
2270
CCC '08 S2 - Pennies in the Ring
CCC
5
30.8%
1238
CCC '08 S3 - Maze
CCC
7
29.2%
1638
CCC '08 S4 - Twenty-four
CCC
10
25.5%
895
CCC '08 S5 - Nukit
CCC
10p
37.4%
742
CCC '09 J1 - ISBN
CCC
3
47.3%
3908
CCC '09 J2 - Old Fishin' Hole
CCC
5
38.5%
1734
CCC '09 J3 - Good Times
CCC
5
20.3%
1493
CCC '09 J4 - Signage
CCC
7
29.1%
736
CCC '09 S1 - Cool Numbers
CCC
5
22.9%
2097
CCC '09 S2 - Lights Going On and Off
CCC
10
40.7%
946
CCC '09 S3 - Degrees Of Separation
CCC
10
27.9%
1411
CCC '09 S4 - Shop and Ship
CCC
10
20.9%
1063
CCC '09 S5 - Wireless
CCC
12p
35.3%
659
CCC '10 J1 - What is n, Daddy?
CCC
3p
29.4%
4049
CCC '10 J2 - Up and Down
CCC
5
22.0%
2192
CCC '10 J3 - Punchy
CCC
5
32.9%
1489
CCC '10 J4 - Global Warming
CCC
5p
22.7%
1111
CCC '10 J5 - Knight Hop
CCC
7
36.8%
2514
CCC '10 S1 - Computer Purchase
CCC
5
14.3%
1391
CCC '10 S2 - Huffman Encoding
CCC
5
53.1%
1680
CCC '10 S3 - Firehose
CCC
15p
19.0%
722
CCC '10 S4 - Animal Farm
CCC
15p
25.7%
545
CCC '10 S5 - Nutrient Tree
CCC
20p
19.8%
277
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