你好, CodeForces!
Our team members are excited to invite you to participate Aleph Zero Round *1, this is our first contest in Luogu. It will begin at 2025-06-30T16:15:00+8:00, and you will be given $$$3$$$ problems and $$$1$$$ hours to slove them. It will be held on IOI rules and unrated. The contest is a bit easier than CodeForces Div.3.
Here are the problems：
| Index | Problem | Problemer | Check | Score | Editorial |
|---|---|---|---|---|---|
| A | Wall City Defense Battle | c_legg | BitByBit | $$$200$$$ | here |
| B | Collecting Dice | jsntzth | c_legg | $$$300$$$ | here |
| C | The Sum of Extrenums | Corange | jsntzth | $$$400$$$ | here |
Please notice:
- English statement will be provided officially as well as Chinese statement.
- This is our first contest, and it may be too easy, please forgive us, the next round will be better.
UPD: Because of C and BitByBit, we have to delay the contest a little bit. I feel really sorry.
