Problems
Problem search
Hot problems
| Problem | Category | Points | AC % | Users |
|---|---|---|---|---|
| Jonathan Sumabat | Uncategorized | 7p | 6.7% | 9 |
| Jonathan Sumabat 2 | Uncategorized | 12 | 39.1% | 4 |
| Jonathan Sumabat 3 | Uncategorized | 5 | 17.1% | 13 |
| Jonathan Sumabat 4 | Uncategorized | 7 | 28.1% | 5 |
| Jonathan Sumabat 4.5 | Uncategorized | 1 | 37.2% | 36 |
| Jonathan Sumabat 5 | Uncategorized | 7 | 12.8% | 7 |
| Jonathan Sumabat 6 | Uncategorized | 5 | 24.3% | 12 |
| Jonathan Sumabat 7 | Uncategorized | 5 | 42.2% | 13 |
| Jonathan Sumabat 7.5 | Uncategorized | 1 | 27.5% | 12 |
| Jonathan Sumabat 7.6 | Uncategorized | 1 | 12.5% | 11 |
| Jonathan Sumabat 8 | Uncategorized | 7 | 20.0% | 8 |
| Jonathan Sumabat 9 | Uncategorized | 12p | 5.1% | 3 |
| Jonathan Sumabat 9.5 | Contest Problems | 1 | 7.0% | 13 |
| Absolute Units | Uncategorized | 7 | 32.0% | 36 |
| A Christmas Carol | Seasonal | 7p | 17.7% | 10 |
| A Christmas Carol 2 | Seasonal | 5 | 38.4% | 23 |
| A Christmas Carol 3 | Seasonal | 7p | 12.8% | 6 |
| A Christmas Carol 4 | Seasonal | 7 | 20.5% | 6 |
| A Christmas Carol 5 | Seasonal | 7 | 0.0% | 0 |
| Add Up Apples | Uncategorized | 5 | 36.0% | 10 |
| A Graphing Calculator | Uncategorized | 17p | 7.7% | 2 |
| CCC '02 J2 - AmeriCanadian | ICS3 & ICS4 | 3 | 77.8% | 7 |
| A Minus B | Uncategorized | 3 | 49.4% | 96 |
| A New Hope | ICS3 & ICS4 | 3 | 66.7% | 2 |
| An Honest Day's Work | ICS3 & ICS4 | 3 | 50.0% | 2 |
| Inversions | Uncategorized | 12 | 22.0% | 20 |
| A Plus B | Uncategorized | 3p | 61.0% | 93 |
| A Spooky Season | ICS3 & ICS4 | 3 | 100.0% | 1 |
| Attendance | Uncategorized | 3 | 38.8% | 62 |
| Austerlitz | Uncategorized | 5 | 36.8% | 10 |
| Backwards Tree | Contest Problems | 10 | 100.0% | 2 |
| Bacteria Colony | ICS3 & ICS4 | 7 | 29.3% | 78 |
| A Baker's Dozen | ICS3 & ICS4 | 3 | 54.5% | 29 |
| Balanced Reactions | Uncategorized | 7 | 24.5% | 10 |
| Range Sum Queries | Uncategorized | 5p | 43.9% | 53 |
| Breadth First Search Test | Classics | 5 | 18.9% | 26 |
| Broken Soundboard | Uncategorized | 3 | 52.2% | 45 |
| Bus Stop | Uncategorized | 5 | 27.4% | 28 |
| Car Payment | ICS3 & ICS4 | 3 | 52.6% | 148 |
| CCC '05 S5 - Pinball Ranking | Contest Problems | 15p | 41.3% | 26 |
| CCC '06 J1 - Canadian Calorie Counting | Contest Problems | 3 | 23.5% | 8 |
| Problem J1: Who is in the middle? | Contest Problems | 3 | 75.0% | 9 |
| CCC '15 J1 - Special Day | Contest Problems | 3 | 57.1% | 8 |
| CCC '15 J2 - Happy or Sad | Contest Problems | 3 | 64.3% | 9 |
| CCC '18 J1 - Telemarketer or not? | ICS3 & ICS4 | 3 | 69.2% | 9 |
| CCC '18 S4 - Balanced Trees | Contest Problems | 15p | 44.8% | 10 |
| CCC '19 J1 - Winning Score | Contest Problems | 3 | 83.3% | 10 |
| Change Calculator | ICS3 & ICS4 | 3 | 49.2% | 110 |
| Character Switch | Uncategorized | 1 | 56.9% | 45 |
| Cinematography | Contest Problems | 3 | 33.7% | 27 |