Problems
Problem search
| Problem | Category | Points | AC % | Users | |
|---|---|---|---|---|---|
| A Plus B | Uncategorized | 2p | 41.6% | 47 | |
| A Plus B (Easy) | Uncategorized | 1p | 39.6% | 43 | |
| Apocalypse | Uncategorized | 12p | 13.5% | 4 | |
| At The Supermarket | Uncategorized | 7p | 38.8% | 14 | |
| Binary Strings | Uncategorized | 3p | 32.2% | 21 | |
| Bob and Sticks | Uncategorized | 12p | 18.4% | 7 | |
| Bob's Mother | Uncategorized | 7p | 57.9% | 9 | |
| Bus Route | Uncategorized | 2p | 29.9% | 34 | |
| CCC '20 S2 - Escape Room | CCC | 10p | 40.0% | 6 | |
| CCC '23 J1 - Deliv-e-droid | CCC | 3p | 63.3% | 28 | |
| CCC '23 J2 - Chili Peppers | CCC | 3p | 58.1% | 24 | |
| CCC '23 J3 - Special Event | CCC | 5p | 41.5% | 15 | |
| CCC '23 J4 - Trianglane | CCC | 5p | 37.1% | 12 | |
| CCC '23 J5 - CCC Word Hunt | CCC | 10p | 36.8% | 7 | |
| CCC '24 J5 - Harvest Waterloo | CCC | 7p | 50.0% | 6 | |
| CCC '25 J5 - Connecting Territories | CCC | 9p | 29.2% | 6 | |
| Collatz Conjecture | Uncategorized | 3p | 16.7% | 23 | |
| Counting Paths | Uncategorized | 6p | 23.7% | 9 | |
| Counting Rooms | Uncategorized | 8p | 42.1% | 9 | |
| Credit Cards | Uncategorized | 5p | 43.4% | 17 | |
| Distinct Numbers | Uncategorized | 3p | 35.4% | 30 | |
| Finding Bob | Uncategorized | 4p | 44.4% | 12 | |
| Gamdar | Uncategorized | 10p | 58.8% | 6 | |
| Haunted Halloween! | Uncategorized | 7p | 44.7% | 15 | |
| Hello World! | Uncategorized | 1p | 44.2% | 43 | |
| Optical Illusion | Uncategorized | 4p | 34.1% | 11 | |
| Labyrinth | Uncategorized | 7p | 14.3% | 5 | |
| The Rainbow Lightseba | Uncategorized | 9p | 23.1% | 8 | |
| Longest One Chain | Uncategorized | 4p | 19.6% | 16 | |
| Longest One Chain 2 | Uncategorized | 7p | 42.1% | 7 | |
| Maximum Residue | Uncategorized | 12p | 45.1% | 9 | |
| Maximum Subarray | Uncategorized | 7p | 36.4% | 9 | |
| Missing Number | Uncategorized | 4p | 29.8% | 25 | |
| Palindromes | Uncategorized | 3p | 57.4% | 27 | |
| Pricing Dilemma | Uncategorized | 3p | 46.9% | 15 | |
| Queue at Ticket Booth | Uncategorized | 4p | 37.3% | 18 | |
| Robbie Can't Do Math | Uncategorized | 6p | 33.3% | 10 | |
| Robbie in Space | Uncategorized | 12p | 25.0% | 3 | |
| Robbie the Prankster | Uncategorized | 7p | 52.2% | 8 | |
| Robot On a Grid | Uncategorized | 3p | 37.3% | 25 | |
| Split the Candy! | Uncategorized | 4p | 39.6% | 18 | |
| Interschool Travels | Uncategorized | 8p | 21.8% | 6 | |
| Trick or Treat! | Uncategorized | 3p | 30.4% | 26 | |
| Trick or Treat (Hard)! | Uncategorized | 5p | 35.4% | 15 | |
| Trivial Encryption | Uncategorized | 5p | 60.0% | 10 | |
| 2025 Coding Team Tryouts P1 - Bob's Test | Uncategorized | 2p | 48.0% | 35 | |
| 2025 Coding Team Tryouts P2 - Subsequencing Strings | Uncategorized | 5p | 37.7% | 24 | |
| 2025 Coding Team Tryouts P3 - Triangular Manhattan Perimeter | Uncategorized | 6p | 52.0% | 24 | |
| 2025 Coding Team Tryouts P4 - Curious George and Maximum Product | Uncategorized | 10p | 14.3% | 10 | |
| 2025 Coding Team Tryouts P5 - Sphinxes and Math Team | Uncategorized | 15p | 11.9% | 4 |