| # | Problem | Pass Rate | Owner | |
|---|---|---|---|---|
| 4021 | Box Relations | No submission | boss | |
| 4020 | Assembling Services | No submission | boss | |
| 4019 | Succession | No submission | boss | |
| 4018 | Love for Pizza |
|
boss | |
| 4017 | Find The Number |
|
boss | |
| 4016 | XOR Sum |
|
boss | |
| 4015 | Visible Lattice |
|
boss | |
| 4014 | Trip Compulsion |
|
boss | |
| 4013 | Lattice Squares |
|
boss | |
| 4012 | Remember the A La Mode! |
|
boss | |
| 4011 | Covering Whole Holes |
|
boss | |
| 4010 | Low Cost Air Travel |
|
boss | |
| 4009 | A Spy in the Metro |
|
boss | |
| 4008 | Highway Patrol |
|
boss | |
| 4007 | Nowhere Money |
|
boss |