| 4396 | Baldman and the military | 0 | 0 | 0.000% |
| 4397 | Game of chess unfinished | 0 | 1 | 0.000% |
| 4398 | Tricky Function | 1 | 1 | 100.000% |
| 4399 | Guess the Tree | 1 | 1 | 100.000% |
| 4400 | Working out | 0 | 0 | 0.000% |
| 4401 | Xor-tree | 0 | 0 | 0.000% |
| 4402 | Police Patrol | 0 | 0 | 0.000% |
| 4403 | Match & Catch | 0 | 0 | 0.000% |
| 4404 | Checkposts | 0 | 0 | 0.000% |
| 4405 | Prison Transfer | 0 | 0 | 0.000% |
| 4406 | Police Recruits | 0 | 0 | 0.000% |
| 4407 | Sereja and Mirroring | 0 | 0 | 0.000% |
| 4408 | Sereja and Mugs | 0 | 0 | 0.000% |
| 4409 | Sereja and Sets | 0 | 0 | 0.000% |
| 4410 | Sereja and Squares | 0 | 0 | 0.000% |
| 4411 | Sereja and Two Sequences | 0 | 0 | 0.000% |
| 4412 | Sereja and Table | 0 | 0 | 0.000% |
| 4413 | Sereja and Swaps | 0 | 0 | 0.000% |
| 4414 | Biathlon Track | 0 | 0 | 0.000% |
| 4415 | Magic Formulas | 0 | 0 | 0.000% |
| 4416 | Squats | 0 | 0 | 0.000% |
| 4417 | Bug in Code | 0 | 0 | 0.000% |
| 4418 | Pasha and Hamsters | 0 | 0 | 0.000% |
| 4419 | Playing the ball | 0 | 0 | 0.000% |
| 4420 | Cup Trick | 0 | 0 | 0.000% |
| 4421 | Online Meeting | 0 | 0 | 0.000% |
| 4422 | Start Up | 0 | 0 | 0.000% |
| 4423 | Email address | 0 | 0 | 0.000% |
| 4424 | Martian Dollar | 0 | 0 | 0.000% |
| 4425 | Translation | 0 | 0 | 0.000% |
| 4426 | Tricky Password | 0 | 0 | 0.000% |
| 4427 | Big Problems for Organizers | 0 | 0 | 0.000% |
| 4428 | Cunning Gena | 0 | 0 | 0.000% |
| 4429 | Crash | 0 | 0 | 0.000% |
| 4430 | Elimination | 0 | 0 | 0.000% |
| 4431 | President's Path | 0 | 0 | 0.000% |
| 4432 | Population Size | 0 | 0 | 0.000% |
| 4433 | Art Union | 0 | 0 | 0.000% |
| 4434 | Mashmokh and Tokens | 0 | 0 | 0.000% |
| 4435 | Mashmokh and Lights | 0 | 0 | 0.000% |
| 4436 | Mashmokh's Designed Problem | 0 | 0 | 0.000% |
| 4437 | Mashmokh and Water Tanks | 0 | 0 | 0.000% |
| 4438 | Mashmokh and Reverse Operation | 0 | 0 | 0.000% |
| 4439 | Mashmokh and ACM | 0 | 0 | 0.000% |
| 4440 | Maze 2D | 0 | 0 | 0.000% |
| 4441 | 2048 | 0 | 0 | 0.000% |
| 4442 | Jeopardy! | 0 | 0 | 0.000% |
| 4443 | Spyke Chatting | 0 | 0 | 0.000% |
| 4444 | Data Recovery | 0 | 0 | 0.000% |
| 4445 | E-mail Addresses | 0 | 0 | 0.000% |