AOCode Round #2 (Div. 2) — Rematch - AOCR #1 - With Additionals

This is a Multiple-Run match.

• \(\color{red}\texttt{1ST RUN:}\color{blue}\texttt{ 2021-9-25 14:30-17:30}\color{grey}\texttt{ ENDED}\)
• \(\color{red}\texttt{2ND RUN:}\color{blue}\texttt{ 2021-10-1 13:00-16:00}\color{grey}\texttt{ ENDED}\)
• \(\color{red}\texttt{3RD RUN:}\color{blue}\texttt{ 2021-10-2 13:30-16:30}\)

About AOCode Round #2

Welcome to AOCode Round #2!
Anyone could attend the Contest.
We are waiting for you to attend!

The AOCode Round #2 have \(2\) Divisions, This is the Division \(2\).
The Division \(2\) have \(7\) Problems, and the mode is ACM/ICPC.

The Division \(2\) is a rematch of AOCode Round #1.
If you didn't get a good mark or didn't participate in the AOCode Round #1, you can attend this contest.
This Contest will also add some other problems. WAIT and SEE!

Rules

As this is a ACM/ICPC Contest, you will get your result right after submiting a problem. More about modes OI and ACM/ICPC...
You should not cheat. If you cheat, you will turn to a cheater immediately. If we find you still cheat after turning into a cheater, you will be a forbidden.

After all...

Good Luck, everyone!

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