Problems

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Problem Name Code Points Users AC Rate Date Added
CCC13S2 - Bridge Transport ccc13s2 5 212 23.23% 2013-05-19
CCC13J4 - Time on task ccc13j4 5 359 43.04% 2013-05-19
CCC13J2 - Rotating Letters ccc13j2 5 470 42.45% 2013-05-18
CCC13J3S1 - From 1987 to 2013 ccc13s1 5 307 43.26% 2013-05-18
CCC13J1 - Next in Line ccc13j1 3 601 62.75% 2013-05-18
CCC12 Stage 2 - The Winds of War ccc12s2p6 30p 20 11.20% 2012-06-20
CCC12 Stage 2 - Sample Size ccc12s2p5 10 57 26.40% 2012-06-20
CCC12 Stage 2 - Editor Distance ccc12s2p4 10 48 37.13% 2012-06-20
CCC12 Stage 2 - Mhocskian Languages ccc12s2p3 20p 39 32.40% 2012-06-20
CCC12 Stage 2 - Hungary Games ccc12s2p2 15p 83 22.03% 2012-06-20
CCC12 Stage 2 - Choose Your Own Arithmetic ccc12s2p1 7 68 21.46% 2012-06-20
CCC12J5 - A Coin Game ccc12j5 10 67 36.21% 2012-02-29
CCC12J4 - Big Bang Secrets ccc12j4 5 269 61.98% 2012-02-29
CCC12J3 - Icon Scaling ccc12j3 5 332 61.14% 2012-02-29
CCC12J2 - Sounds fishy! ccc12j2 3 502 26.95% 2012-02-29
CCC12J1 - Speed fines are not fine! ccc12j1 3 625 32.82% 2012-02-29
CCC12S5 - Mouse Journey ccc12s5 10p 252 40.64% 2012-02-29
CCC12S3 - Absolutely Acidic ccc12s3 7 190 22.45% 2012-02-29
CCC12S2 - Aromatic Numbers ccc12s2 5 176 47.48% 2012-02-29
CCC12S1 - Don't pass me the ball! ccc12s1 3 285 59.09% 2012-02-29
CCC12S4 - A Coin Game ccc12s4 15 91 39.12% 2012-02-29
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
CCC11 Stage 2 - Reorganization ccc11s2p4 15p 50 28.74% 2011-06-06
CCC11 Stage 2 - Spies Like Us ccc11s2p3 10p 55 29.78% 2011-06-06
CCC11 Stage 2 - Vampire Tunnels ccc11s2p2 15p 88 15.14% 2011-06-05
CCC11 Stage 2 - Putnam ccc11s2p1 7 50 25.90% 2011-06-05
CCC11J5 - Unfriend ccc11j5 7 105 39.75% 2011-03-01
CCC11J4 - Boring Business ccc11j4 7 168 25.80% 2011-03-01
CCC11J3 - Sumac Sequences ccc11j3 5 347 36.68% 2011-03-01
CCC11J2 - Who Has Seen the Wind ccc11j2 5 318 29.85% 2011-03-01
CCC11J1 - Which Alien? ccc11j1 3 878 31.59% 2011-03-01
CCC11S5 - Switch ccc11s5 12p 64 18.46% 2011-03-01
CCC11S3 - Alice Through the Looking Glass ccc11s3 10p 129 31.22% 2011-03-01
CCC11S4 - Blood Distribution ccc11s4 7 86 39.33% 2011-03-01
CCC11S2 - Multiple Choice ccc11s2 5 535 52.76% 2011-03-01
CCC11S1 - English or French? ccc11s1 5 433 24.73% 2011-03-01
CCC10 Stage 2 - Shuffle ccc10s2p6 10 51 39.22% 2010-05-19
CCC10 Stage 2 - Space Miner ccc10s2p5 15 34 34.57% 2010-05-19
CCC10 Stage 2 - Computer Purchase Return ccc10s2p4 10 82 31.99% 2010-05-19
CCC10 Stage 2 - Wowow ccc10s2p3 20p 85 20.68% 2010-05-19
CCC10 Stage 2 - Tree Pruning ccc10s2p2 15p 67 24.94% 2010-05-19
CCC10 Stage 2 - Barking Dogs! ccc10s2p1 10 57 28.00% 2010-05-19
CCC10S5 - Nutrient Tree ccc10s5 20p 50 16.56% 2010-02-23
CCC10S4 - Animal Farm ccc10s4 15p 76 26.26% 2010-02-23
CCC10S3 - Firehose ccc10s3 15p 94 27.16% 2010-02-23
CCC10S2 - Huffman Encoding ccc10s2 5 185 50.82% 2010-02-23
CCC10S1 - Computer Purchase ccc10s1 5 178 19.08% 2010-02-23
CCC10J5 - Knight Hop ccc10j5 10p 256 32.27% 2010-02-23
CCC10J4 - Global Warming ccc10j4 10p 124 23.24% 2010-02-23