We will hold Algo Beat Contest 004 on Luogu. This is a Div.3 round created by Algo Beat. Only Chinese statement will be provided officially. You can use online tools to translate the statement.
- Contest URL: https://www.luogu.com.cn/contest/314924
- Start Time: 05.02 15:00, BJT
- Duration: 120 minutes
- System: IOI (with weighted ICPC-like scoring: only 0 or full score)
- Difficulty: from Entry to Provincial– (similar to a typical contest)
- Rated range: Unrated
- Problems and staffs:
| Problem | Score | Idea | Std | Data | Check |
|---|---|---|---|---|---|
| $$$\text{A - Always the Winner}$$$ | $$$100$$$ | DHeasy | DHeasy | DHeasy | zhoumurui |
| $$$\text{B - Buying Lotteries}$$$ | $$$200$$$ | tanghaocheng | tanghaocheng | tanghaocheng | joe_zxq |
| $$$\text{C - Cute Number}$$$ | $$$300$$$ | wenqinghua1001 | wenqinghua1001 | joe_zxq | j2k183 |
| $$$\text{D - Displaced Permutation}$$$† | $$$400$$$ | Getaway_Car | Getaway_Car | Getaway_Car | j2k183 |
| $$$\text{E - Elusive Prime}$$$† | $$$475$$$ | joe_zxq | joe_zxq | joe_zxq | DHeasy |
| $$$\text{F - Fortune of Golden Cheese}$$$‡ | $$$525$$$ | leather_handbag | leather_handbag | joe_zxq | joe_zxq |
| $$$\text{G - Go Playing with Reimu}$$$§ | $$$600$$$ | zhoumurui | zhoumurui | DanielDingDang | zhoumurui |
† Interactive problem (IO style).
‡ Thanks to joe_zxq for strengthening this problem.
§ Thanks to DanielDingDang for strengthening this problem.
We are looking forward to your participation!
- A tutorial on using Luogu (Please note that
#pragma GCC optimizeis temporarily banned for some reason on Luogu.) - A brief introduction to Chinese NOI








