Problems

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Problem Name Code Points Users AC Rate Date Added
CCC10S1 - Computer Purchase ccc10s1 5 169 18.75% 2010-02-23
CCC10S2 - Huffman Encoding ccc10s2 5 173 51.79% 2010-02-23
CCC10S3 - Firehose ccc10s3 15p 92 26.90% 2010-02-23
CCC10S4 - Animal Farm ccc10s4 15p 74 25.90% 2010-02-23
CCC10S5 - Nutrient Tree ccc10s5 20p 50 16.60% 2010-02-23
CCC10 Stage 2 - Barking Dogs! ccc10s2p1 10 56 28.44% 2010-05-19
CCC10 Stage 2 - Tree Pruning ccc10s2p2 15p 67 25.06% 2010-05-19
CCC10 Stage 2 - Computer Purchase Return ccc10s2p4 10 80 31.94% 2010-05-19
CCC10 Stage 2 - Shuffle ccc10s2p6 10 51 39.22% 2010-05-19
CCC10 Stage 2 - Wowow ccc10s2p3 20p 82 20.41% 2010-05-19
CCC10 Stage 2 - Space Miner ccc10s2p5 15 34 34.57% 2010-05-19
CCC11S1 - English or French? ccc11s1 5 391 25.90% 2011-03-01
CCC11J1 - Which Alien? ccc11j1 3 825 30.87% 2011-03-01
CCC11J2 - Who Has Seen the Wind ccc11j2 5 299 30.96% 2011-03-01
CCC11S2 - Multiple Choice ccc11s2 5 496 52.94% 2011-03-01
CCC11J3 - Sumac Sequences ccc11j3 5 318 37.54% 2011-03-01
CCC11S3 - Alice Through the Looking Glass ccc11s3 10p 120 30.95% 2011-03-01
CCC11J4 - Boring Business ccc11j4 7 145 28.96% 2011-03-01
CCC11S4 - Blood Distribution ccc11s4 7 84 38.49% 2011-03-01
CCC11J5 - Unfriend ccc11j5 7 99 40.47% 2011-03-01
CCC11S5 - Switch ccc11s5 12p 63 18.35% 2011-03-01
CCC11 Stage 2 - Putnam ccc11s2p1 7 50 25.90% 2011-06-05
CCC11 Stage 2 - Vampire Tunnels ccc11s2p2 15p 87 15.07% 2011-06-05
CCC11 Stage 2 - Spies Like Us ccc11s2p3 10p 50 28.70% 2011-06-06
CCC11 Stage 2 - Reorganization ccc11s2p4 15p 46 27.31% 2011-06-06
CCC11 Stage 2 - Fixing Disks ccc11s2p5 40p 2 8.11% 2011-06-07
CCC11 Stage 2 - Biggest (Zero Carbon) Footprint ccc11s2p6 25p 32 10.33% 2011-06-06
CCC12J1 - Speed fines are not fine! ccc12j1 3 589 32.65% 2012-02-29
CCC12J2 - Sounds fishy! ccc12j2 3 480 27.04% 2012-02-29
CCC12J3 - Icon Scaling ccc12j3 5 317 60.55% 2012-02-29
CCC12J4 - Big Bang Secrets ccc12j4 5 252 61.12% 2012-02-29
CCC12J5 - A Coin Game ccc12j5 10 57 33.48% 2012-02-29
CCC12S1 - Don't pass me the ball! ccc12s1 3 282 59.08% 2012-02-29
CCC12S2 - Aromatic Numbers ccc12s2 5 168 47.46% 2012-02-29
CCC12S3 - Absolutely Acidic ccc12s3 7 183 23.07% 2012-02-29
CCC12S4 - A Coin Game ccc12s4 15 80 37.72% 2012-02-29
CCC12S5 - Mouse Journey ccc12s5 10p 231 41.08% 2012-02-29
CCC12 Stage 2 - Choose Your Own Arithmetic ccc12s2p1 7 68 21.46% 2012-06-20
CCC12 Stage 2 - Hungary Games ccc12s2p2 15p 82 21.88% 2012-06-20
CCC12 Stage 2 - Mhocskian Languages ccc12s2p3 20p 39 32.40% 2012-06-20
CCC12 Stage 2 - Editor Distance ccc12s2p4 10 48 37.13% 2012-06-20
CCC12 Stage 2 - Sample Size ccc12s2p5 10 57 26.40% 2012-06-20
CCC12 Stage 2 - The Winds of War ccc12s2p6 30p 16 11.88% 2012-06-20
CCC13J1 - Next in Line ccc13j1 3 561 61.77% 2013-05-18
CCC13J2 - Rotating Letters ccc13j2 5 443 42.47% 2013-05-18
CCC13J4 - Time on task ccc13j4 5 341 43.33% 2013-05-19
CCC13J3S1 - From 1987 to 2013 ccc13s1 5 297 43.28% 2013-05-18
CCC13S2 - Bridge Transport ccc13s2 5 200 23.26% 2013-05-19
CCC13J5S3 - Chances of Winning ccc13s3 12 137 35.19% 2013-05-19
CCC13S4 - Who is Taller? ccc13s4 10 145 22.76% 2013-05-19