Problems
| Problem Name | Code | Points | Users | AC Rate | Date Added |
|---|---|---|---|---|---|
| CCO17 - Shifty Grid | ccc17s2p6 | 25p | 5 | 31.25% | 2017-08-09 |
| CCO17 - Professional Network | ccc17s2p5 | 20p | 19 | 27.73% | 2017-08-09 |
| CCO17 - Rainfall Storage | ccc17s2p4 | 15p | 19 | 33.33% | 2017-08-09 |
| CCO17 - Vera and Modern Art | ccc17s2p3 | 30p | 14 | 22.97% | 2017-08-09 |
| CCO17 - Cartesian Conquest | ccc17s2p2 | 15p | 7 | 11.59% | 2017-08-09 |
| CCO17 - Vera and Trail Building | ccc17s2p1 | 7p | 54 | 40.28% | 2017-08-09 |
| CCC17S5 - RMT | ccc17s5 | 20p | 26 | 12.50% | 2017-08-08 |
| CCC17S4 - Minimum Cost Flow | ccc17s4 | 15 | 44 | 18.87% | 2017-08-08 |
| CCC17J5S3 - Nailed It! | ccc17s3 | 10 | 63 | 14.01% | 2017-08-08 |
| CCC17S2 - High Tide, Low Tide | ccc17s2 | 7 | 100 | 22.92% | 2017-08-08 |
| CCC17S1 - Sum Game | ccc17s1 | 5 | 135 | 33.33% | 2017-08-08 |
| CCC17J4 - Favourite Times | ccc17j4 | 7 | 82 | 18.30% | 2017-08-08 |
| CCC17J3 - Exactly Electrical | ccc17j3 | 5 | 109 | 24.29% | 2017-08-08 |
| CCC17J2 - Shifty Sum | ccc17j2 | 5 | 215 | 53.98% | 2017-08-08 |
| CCC17J1 - Quadrant Selection | ccc17j1 | 3 | 290 | 48.83% | 2017-08-08 |
| CCO16 - Pirates | ccc16s2p6 | 25p | 21 | 13.87% | 2016-05-14 |
| CCO16 - Zombie Apocalypse | ccc16s2p5 | 15p | 41 | 12.56% | 2016-05-14 |
| CCO16 - O Canada | ccc16s2p4 | 10p | 88 | 30.52% | 2016-05-14 |
| CCO16 - Legends | ccc16s2p3 | 30p | 17 | 10.89% | 2016-05-14 |
| CCO16 - Splitting Hares | ccc16s2p2 | 15p | 32 | 10.41% | 2016-05-14 |
| CCO16 - Field Trip | ccc16s2p1 | 10p | 67 | 18.02% | 2016-05-14 |
| CCOQR16 - Data Structure | ccoqr16p3 | 17p | 58 | 24.14% | 2016-03-09 |
| CCOQR16 - Through A Maze Darkly | ccoqr16p2 | 15p | 30 | 20.95% | 2016-03-09 |
| CCOQR16 - Stupendous Bowties | ccoqr16p1 | 15p | 55 | 30.23% | 2016-03-09 |
| CCC16S5 - Circle of Life | ccc16s5 | 20p | 71 | 22.34% | 2016-02-22 |
| CCC16S4 - Combining Riceballs | ccc16s4 | 15p | 82 | 34.33% | 2016-02-22 |
| CCC16S3 - Phonomenal Reviews | ccc16s3 | 12p | 82 | 23.64% | 2016-02-22 |
| CCC16J5S2 - Tandem Bicycle | ccc16s2 | 7 | 297 | 44.92% | 2016-02-22 |
| CCC16S1 - Ragaman | ccc16s1 | 5 | 166 | 30.59% | 2016-02-22 |
| CCC16J4 - Arrival Time | ccc16j4 | 5 | 107 | 37.72% | 2016-02-22 |
| CCC16J3 - Hidden Palindrome | ccc16j3 | 5 | 178 | 41.71% | 2016-02-22 |
| CCC16J2 - Magic Squares | ccc16j2 | 5 | 308 | 37.44% | 2016-02-22 |
| CCC16J1 - Tournament Selection | ccc16j1 | 3 | 342 | 34.17% | 2016-02-22 |
| CCO15 - Eggscavation | ccc15s2p6 | 30p | 15 | 6.52% | 2015-06-05 |
| CCO15 - Timpanist | ccc15s2p5 | 20p | 37 | 37.61% | 2015-06-05 |
| CCO15 - Cars on Ice | ccc15s2p4 | 15p | 0 | 0.00% | 2015-06-05 |
| CCO15 - Solar Flight | ccc15s2p3 | 25p | 28 | 13.65% | 2015-06-05 |
| CCO15 - Artskjid | ccc15s2p2 | 15p | 106 | 19.15% | 2015-06-05 |
| CCO15 - Hungry Fox | ccc15s2p1 | 12p | 65 | 17.12% | 2015-06-05 |
| CCC15S5 - Greedy For Pies | ccc15s5 | 20p | 104 | 20.51% | 2015-02-21 |
| CCC15S4 - Convex Hull | ccc15s4 | 15p | 130 | 23.28% | 2015-02-21 |
| CCC15S3 - Gates | ccc15s3 | 7 | 166 | 17.59% | 2015-02-21 |
| CCC15S2 - Jerseys | ccc15s2 | 5p | 167 | 14.63% | 2015-02-21 |
| CCC15S1 - Zero That Out | ccc15s1 | 5 | 463 | 45.23% | 2015-02-21 |
| CCC15J5 - Pi-day | ccc15j5 | 10p | 153 | 23.47% | 2015-02-21 |
| CCC15J4 - Wait Time | ccc15j4 | 5 | 109 | 39.46% | 2015-02-21 |
| CCC15J3 - Rövarspråket | ccc15j3 | 5 | 295 | 42.26% | 2015-02-21 |
| CCC15J2 - Happy or Sad | ccc15j2 | 5 | 472 | 31.60% | 2015-02-21 |
| CCC15J1 - Special Day | ccc15j1 | 3 | 769 | 31.33% | 2015-02-21 |
| Mock CCC15S5 - Kongou | mockccc15s5 | 40p | 2 | 3.53% | 2015-02-18 |
