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Hot problems
| Problem | Category | Points | AC % | Users |
|---|---|---|---|---|
| Jonathan Sumabat | Uncategorized | 7p | 5.8% | 12 |
| Jonathan Sumabat 2 | Uncategorized | 12 | 30.0% | 4 |
| Jonathan Sumabat 3 | Uncategorized | 5 | 18.2% | 15 |
| Jonathan Sumabat 4 | Uncategorized | 7 | 28.1% | 5 |
| Jonathan Sumabat 4.5 | Uncategorized | 1 | 36.5% | 43 |
| Jonathan Sumabat 5 | Uncategorized | 7 | 13.4% | 9 |
| Jonathan Sumabat 6 | Uncategorized | 5 | 22.5% | 12 |
| Jonathan Sumabat 7 | Uncategorized | 5 | 40.0% | 15 |
| Jonathan Sumabat 7.5 | Uncategorized | 1 | 30.2% | 14 |
| Jonathan Sumabat 7.6 | Uncategorized | 1 | 9.8% | 14 |
| Jonathan Sumabat 8 | Uncategorized | 7 | 20.0% | 8 |
| Jonathan Sumabat 9 | Uncategorized | 12p | 4.1% | 3 |
| Jonathan Sumabat 9.5 | Contest Problems | 1 | 6.6% | 13 |
| Absolute Units | Uncategorized | 7 | 32.1% | 40 |
| A Christmas Carol | Seasonal | 7p | 14.5% | 13 |
| A Christmas Carol 2 | Seasonal | 5 | 39.1% | 30 |
| A Christmas Carol 3 | Seasonal | 7p | 13.6% | 7 |
| A Christmas Carol 4 | Seasonal | 7 | 20.0% | 6 |
| A Christmas Carol 5 | Seasonal | 7 | 2.7% | 1 |
| Add Up Apples | Uncategorized | 5 | 27.1% | 13 |
| A Graphing Calculator | Uncategorized | 17p | 7.2% | 2 |
| A Minus B | Uncategorized | 3 | 47.0% | 130 |
| A New Hope | ICS3 & ICS4 | 3 | 62.5% | 15 |
| An Honest Day's Work | ICS3 & ICS4 | 3 | 75.0% | 16 |
| Inversions | Uncategorized | 12 | 22.4% | 25 |
| A Plus B | Uncategorized | 3p | 57.1% | 148 |
| A Spooky Season | ICS3 & ICS4 | 3 | 72.0% | 13 |
| Attendance | Uncategorized | 3 | 39.7% | 96 |
| Austerlitz | Uncategorized | 5 | 36.2% | 10 |
| Backwards Tree | Contest Problems | 10 | 42.9% | 3 |
| Bacteria Colony | ICS3 & ICS4 | 7 | 34.9% | 133 |
| A Baker's Dozen | ICS3 & ICS4 | 3 | 52.4% | 36 |
| Balanced Reactions | Uncategorized | 7 | 24.5% | 11 |
| Best Fishing Spot | Contest Problems | 7 | 50.0% | 1 |
| Range Sum Queries | Uncategorized | 5p | 46.1% | 65 |
| Breadth First Search Test | Classics | 5 | 20.0% | 30 |
| Find Brian's Bitcoin! | Uncategorized | 7 | 55.3% | 18 |
| Find Brian's Bitcoin! (Hard) | Uncategorized | 7p | 10.2% | 9 |
| Broken Soundboard | Uncategorized | 3 | 53.7% | 51 |
| Bus Stop | Uncategorized | 5 | 30.5% | 31 |
| Car Payment | ICS3 & ICS4 | 3 | 52.4% | 275 |
| CCC '02 J2 - AmeriCanadian | ICS3 & ICS4 | 3 | 33.0% | 25 |
| CCC '05 S5 - Pinball Ranking | Contest Problems | 15p | 33.2% | 30 |
| CCC '06 J1 - Canadian Calorie Counting | Contest Problems | 3 | 29.4% | 18 |
| Problem J1: Who is in the middle? | Contest Problems | 3 | 76.2% | 16 |
| CCC '07 J3 - Deal or No Deal Calculator | Contest Problems | 3 | 35.2% | 33 |
| CCC '11 S5 - Switch | Contest Problems | 12p | 30.0% | 3 |
| CCC '15 J1 - Special Day | Contest Problems | 3 | 46.3% | 19 |
| CCC '15 J2 - Happy or Sad | Contest Problems | 3 | 45.3% | 50 |
| CCC '18 J1 - Telemarketer or not? | ICS3 & ICS4 | 3 | 62.5% | 19 |