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# Chi tiết bài tập - Luyện Code Online
[https://luyencode.net/problem/BIGFIBO](https://luyencode.net/problem/BIGFIBO)
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In [`19b42fe`](https://github.com/xcpcio/codeforces.uptime/commit/19b42fef34e07ea93a97d57c37ddc40c47bd5aec
), cc (https://codeforces.cc) was **down**:
- HTTP code: 0
- Response time: 0 ms
Dup4 updated
2 months ago
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In [`2d14328`](https://github.com/xcpcio/codeforces.uptime/commit/2d143285c19118a3a7838b1cbd884edeb69332dd
), Codeforces (https://codeforces.com) was **down**:
- HTTP code: 403
- Response time: 95 ms
Dup4 updated
3 months ago
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Rimeの設計を大幅に見直す検討をしています。特にアーキテクチャが複雑すぎて機能追加が難しくなっている点を解決したいと思っています。
参照 : https://github.com/icpc-jag/rime-plus/issues/9
（参考）
最近よく使われている競プロツール
- [Library Checker Problems](https://github.com/yosup…
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### 页面英文名
_No response_
### 我希望能添加的内容是
目前 wiki 介绍[高维前缀和](https://oi-wiki.org/basic/prefix-sum/#dp)部分过于简略，很难用于入门学习。
### 我了解到的相关参考资料有
https://codeforces.com/blog/entry/45223
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@myst-6 @vladimirfilip
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In [`1a668aa`](https://github.com/xcpcio/codeforces.uptime/commit/1a668aab551b6bf29f54bd75688dbf1c7b111481
), Codeforces (https://codeforces.com) was **down**:
- HTTP code: 403
- Response time: 125 ms…
Dup4 updated
4 months ago
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### What happened?
Codeforces.py has a problem in its class name and object. I can resolve this please assign this…
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In [`d2242d3`](https://github.com/xcpcio/codeforces.uptime/commit/d2242d3603e7631815f19834bca072dd78257e8b
), Codeforces (https://codeforces.com) was **down**:
- HTTP code: 403
- Response time: 95 ms
Dup4 updated
4 months ago
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### Intro
Currently, we have [algo-arena](https://github.com/code100x/algorithmic-arena/) which is the codeforces like platform for 100xdevs. Prior to that we had that portion of code in daily-code.
…