收集了DuckOI所有赛题，包括为其他比赛出的
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有些题可能有原题，也可能出重题
比赛赛题特征：题号带有Duck
Section 1. 第一届迪茵公学“图灵杯”
Open
| Problem | Tried | AC | Difficulty |
|---|---|---|---|
| Duck001 [DuckOI&DiyinOI]直角三角型的数量||简单三角形计数题 | 10 | 4 | 9 |
Section 2. DuckOI Round1
Open
| Problem | Tried | AC | Difficulty |
|---|---|---|---|
| Duck002 [DuckOI]Xor | 22 | 13 | 5 |
| Duck003 [DuckOI]Count the Number of Dance Schemes | 4 | 4 | 10 |
| Duck004 [DuckOI]Relaxing Time | 35 | 11 | 6 |
| Duck005 [DuckOI]An Easy Problem | 11 | 8 | 8 |
| Duck006 [DuckOI]Kill the Duck | 7 | 5 | 9 |
Section 3. DuckOI Round2
Open
| Problem | Tried | AC | Difficulty |
|---|---|---|---|
| Duck007 [DuckOI]深海少女 | 10 | 5 | 9 |
| Duck008 [DuckOI]千本桜 | 2 | 2 | 10 |
| Duck009 [DuckOI]呐呐呐 | 11 | 5 | 9 |
| Duck010 [DuckOI]橘子西打 | 3 | 3 | 10 |
| Duck011 [DuckOI]砂の惑星 | 24 | 3 | 9 |
| Duck012 [DuckOI]初音未来的消失 | 11 | 2 | 10 |
Section 4. DuckOI 2023新春赛
Open
| Problem | Tried | AC | Difficulty |
|---|---|---|---|
| Duck013 [DuckOI]这是一道签到题 | 20 | 3 | 1 |
| Duck014 [DuckOI]⭐️美⭐️美⭐️味⭐️味⭐️粥⭐️底⭐️火⭐️锅⭐️ | 5 | 5 | 1 |
| Duck015 [DuckOI]等差数列取模最大值问题 | 9 | 3 | 4 |
| Duck016 [DuckOI]CCX为什么是神？ | 3 | 2 | 2 |
| Duck017 [DuckOI]为百合镀金 | 1 | 1 | 2 |
| Duck018 [DuckOI]最大上升数对 | 9 | 2 | 3 |
Section 5. G7647 列车组首次发车——提高组模拟赛
Open
| Problem | Tried | AC | Difficulty |
|---|---|---|---|
| Duck019 [DuckOI]有意思区间 | 3 | 1 | 10 |
| Duck020 [DuckOI]向下取整 | 2 | 2 | 10 |
