Watch the video describing solutions: Video Link
Watch the video of live participation: Video Link
Check out my submissions:
| Problem | Name | Submission |
|---|---|---|
| A | Perfect Root | 358641451 |
| B | Prefix Max | 358641429 |
| C | Shifted MEX | 358641415 |
| D | OutOfMemoryError | 358641372 |
| E | The Robotic Rush | 358641342 |
| F | BattleCows | 358641328 |
| G | Mixing MEXes | 358641306 |
| H | BattleCows 2 | 359040200 |








I think this is Codeforces Round 1074 (Div. 4), not Codeforces Round 1072 (Div. 3).
Thanks for reporting. Fixed it.
Out of curiosity, how are you able to access the internet in Iran right now? Heartbroken to see what happening there currently.
Currently I'm in Saudi Arabia in a camp for teaching the national team.