Solve problems to sharpen your skills
Problem↕ | Points↕ | Status | |
|---|---|---|---|
| CCC '24 S1 - Hat Circle | 3 pts | — | Solve → |
| CCC '21 S2 - Modern Art | 5 pts | — | Solve → |
| CCC '23 S2 - Symmetric Mountains | 5 pts | — | Solve → |
| CCC '25 S2 - Cryptogram Cracking Club | 5 pts | — | Solve → |
| CCC '21 S1 - Crazy Fencing | 3 pts | — | Solve → |
| CCC '26 S2 - Beams of Light | 5 pts | — | Solve → |
| CCC '25 S1 - Positioning Peter's Paintings | 3 pts | — | Solve → |
| CCC '23 S1 - Trianglane | 3 pts | — | Solve → |
| CCC '24 J5 - Harvest Waterloo | 5 pts | — | Solve → |
| CCC '25 J5 - Connecting Territories | 7 pts | — | Solve → |
| CCC '21 J4 - Arranging Books | 5 pts | — | Solve → |
| CCC '24 J4 - Troublesome Keys | 5 pts | — | Solve → |
| CCC '22 S1 - Good Fours and Good Fives | 3 pts | — | Solve → |
| CCC '26 S1 - Baby Hop, Giant Hop | 5 pts | — | Solve → |
| CCC '25 J4 - Sunny Days | 7 pts | — | Solve → |
| CCC '23 J5 - CCC Word Hunt | 7 pts | — | Solve → |
| CCC '22 J5 - Square Pool | 5 pts | — | Solve → |
| CCC '26 J4 - Snail Path | 5 pts | — | Solve → |
| CCC '24 J3 - Bronze Count | 3 pts | — | Solve → |
| CCC '21 J3 - Secret Instructions | 3 pts | — | Solve → |
