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Hot problems
CCC '24 J4 - Troublesome Keys
COCI '22 Contest 4 #1 7Krokods
CCC '24 S2 - Heavy-Light Composition
CCC '19 J3 - Cold Compress
CCC '24 J5 - Harvest Waterloo
COCI '23 Contest 5 #1 Zlagalica
CCC '24 S3 - Swipe
Problem
Category ▴
Points
AC %
Users
CCC '14 J1 - Triangle Times
CCC
3
32.9%
7410
CCC '14 J2 - Vote Count
CCC
3
44.5%
5309
CCC '14 J3 - Double Dice
CCC
3
56.4%
4453
CCC '96 S1 - Deficient, Perfect, and Abundant
CCC
5
32.2%
1882
CCC '09 J1 - ISBN
CCC
3
47.4%
3660
CCC '13 J1 - Next in line
CCC
3
62.3%
11892
CCC '13 S1 - From 1987 to 2013
CCC
5
45.8%
3883
CCC '13 J2 - Rotating letters
CCC
3
44.9%
4786
CCC '05 S5 - Pinball Ranking
CCC
12p
19.5%
735
CCC '14 S1 - Party Invitation
CCC
5
47.1%
3509
CCC '14 S2 - Assigning Partners
CCC
5
33.2%
2833
CCC '13 J4 - Time on task
CCC
5
44.5%
2989
CCC '14 S3 - The Geneva Confection
CCC
7p
26.4%
2796
CCC '12 J1 - Speed fines are not fine!
CCC
3
30.7%
5742
CCC '12 J2 - Sounds fishy!
CCC
3
33.8%
4543
CCC '12 J3 - Icon Scaling
CCC
3
51.3%
2861
CCC '13 S3 - Chances of Winning
CCC
10
41.1%
1354
CCC '12 J4 - Big Bang Secrets
CCC
3
59.2%
2379
CCC '98 S1 - Censor
CCC
5
37.7%
1454
CCC '11 J1 - Which Alien?
CCC
3
35.7%
6338
CCC '05 J1 - The Cell Sell
CCC
3
8.0%
1432
CCC '05 J2 - RSA Numbers
CCC
3
40.7%
2962
CCC '05 J3 - Returning Home
CCC
5
37.2%
2348
CCC '05 J5 - Bananas
CCC
10
21.6%
1463
CCC '06 J2 - Roll the Dice
CCC
3
27.2%
3008
CCC '06 S5 - Origin of Life
CCC
15
18.7%
116
CCC '06 J3 - Cell-Phone Messaging
CCC
3
41.3%
1456
CCC '06 J1 - Canadian Calorie Counting
CCC
3
27.5%
7102
CCC '11 J2 - Who Has Seen The Wind
CCC
5
25.5%
1837
CCC '11 J3 - Sumac Sequences
CCC
5
43.3%
2853
CCC '06 J4 - It's tough being a teen!
CCC
7
41.5%
1238
CCC '11 J4 - Boring Business
CCC
7
27.8%
1492
CCC '06 S1 - Maternity
CCC
5
38.0%
1118
CCC '06 S2 - Attack of the CipherTexts
CCC
5
4.9%
228
CCC '06 S3 - Tin Can Telephone
CCC
12
20.8%
526
CCC '06 S4 - Groups
CCC
10
46.5%
326
CCC '11 S1 - English or French?
CCC
5
35.5%
5673
CCC '11 S2 - Multiple Choice
CCC
3
55.2%
6175
CCC '08 S3 - Maze
CCC
7
29.3%
1558
CCC '03 S4 - Substrings
CCC
15p
7.7%
368
CCC '04 J1 - Squares
CCC
3
32.5%
6082
CCC '04 J2 - Terms of Office
CCC
3
37.4%
3503
CCC '04 J3 - Smile with Similes
CCC
3
57.9%
3937
CCC '04 J4 - Simple Encryption
CCC
5
51.1%
1701
CCC '04 J5 - Fractals
CCC
10
35.5%
219
CCC '07 J1 - Who is in the Middle?
CCC
3
47.0%
9047
CCC '07 J2 - I Speak TXTMSG
CCC
3
21.8%
2265
CCC '07 J3 - Deal or No Deal Calculator
CCC
3
32.8%
3187
CCC '07 J5 - Keep on Truckin'
CCC
7
19.6%
1064
CCC '07 S5 - Bowling for Numbers
CCC
10p
29.9%
863
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