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Problem Category ▾ Points AC % Users
CCO '23 P5 - Travelling Trader CCO 30p 7.6% 17
CCO '23 P6 - Triangle Collection CCO 25p 16.7% 18
CCC '14 J1 - Triangle Times CCC 3 32.9% 7482
CCC '14 J2 - Vote Count CCC 3 44.5% 5375
CCC '14 J3 - Double Dice CCC 3 56.3% 4489
CCC '96 S1 - Deficient, Perfect, and Abundant CCC 5 32.3% 1894
CCC '09 J1 - ISBN CCC 3 47.3% 3696
CCC '13 J1 - Next in line CCC 3 62.3% 12085
CCC '13 S1 - From 1987 to 2013 CCC 5 45.8% 3925
CCC '13 J2 - Rotating letters CCC 3 45.0% 4841
CCC '05 S5 - Pinball Ranking CCC 12p 19.5% 741
CCC '14 S1 - Party Invitation CCC 5 47.1% 3527
CCC '14 S2 - Assigning Partners CCC 5 33.3% 2845
CCC '13 J4 - Time on task CCC 5 44.5% 3017
CCC '14 S3 - The Geneva Confection CCC 7p 26.4% 2812
CCC '12 J1 - Speed fines are not fine! CCC 3 30.8% 5790
CCC '12 J2 - Sounds fishy! CCC 3 33.8% 4595
CCC '12 J3 - Icon Scaling CCC 3 51.3% 2882
CCC '13 S3 - Chances of Winning CCC 10 41.2% 1365
CCC '12 J4 - Big Bang Secrets CCC 3 59.3% 2408
CCC '98 S1 - Censor CCC 5 37.5% 1476
CCC '11 J1 - Which Alien? CCC 3 35.6% 6391
CCC '05 J1 - The Cell Sell CCC 3 8.0% 1454
CCC '05 J2 - RSA Numbers CCC 3 40.8% 2979
CCC '05 J3 - Returning Home CCC 5 37.2% 2364
CCC '05 J5 - Bananas CCC 10 21.6% 1469
CCC '06 J2 - Roll the Dice CCC 3 27.1% 3040
CCC '06 S5 - Origin of Life CCC 15 18.6% 119
CCC '06 J3 - Cell-Phone Messaging CCC 3 41.3% 1466
CCC '06 J1 - Canadian Calorie Counting CCC 3 27.4% 7227
CCC '11 J2 - Who Has Seen The Wind CCC 5 25.7% 1867
CCC '11 J3 - Sumac Sequences CCC 5 43.3% 2875
CCC '06 J4 - It's tough being a teen! CCC 7 41.5% 1242
CCC '11 J4 - Boring Business CCC 7 27.8% 1508
CCC '06 S1 - Maternity CCC 5 37.5% 1147
CCC '06 S2 - Attack of the CipherTexts CCC 5 5.2% 239
CCC '06 S3 - Tin Can Telephone CCC 12 20.8% 528
CCC '06 S4 - Groups CCC 10 46.5% 328
CCC '11 S1 - English or French? CCC 5 35.6% 5779
CCC '11 S2 - Multiple Choice CCC 3 55.1% 6284
CCC '08 S3 - Maze CCC 7 29.3% 1563
CCC '03 S4 - Substrings CCC 15p 7.7% 372
CCC '04 J1 - Squares CCC 3 32.5% 6135
CCC '04 J2 - Terms of Office CCC 3 37.4% 3514
CCC '04 J3 - Smile with Similes CCC 3 57.8% 3974
CCC '04 J4 - Simple Encryption CCC 5 51.0% 1711
CCC '04 J5 - Fractals CCC 10 35.7% 220
CCC '07 J1 - Who is in the Middle? CCC 3 47.0% 9182
CCC '07 J2 - I Speak TXTMSG CCC 3 21.7% 2290
CCC '07 J3 - Deal or No Deal Calculator CCC 3 33.1% 3258