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RegisterUSACO Guide
A free collection of curated, high-quality resources
to take you from Bronze to Platinum and beyond.
Learn USACO. Efficiently.Learn USACO. Efficiently.
Stop wasting time searching for problems and tutorials. The USACO Guide provides a comprehensive, organized roadmap carefully designed and crafted for USACO contestants – available to everyone, for free.
Curated Resources
Learn new topics from a vetted list of high-quality resources. If one resource doesn't click, look at another!
Extensive Problemsets
Practice each topic with extensive problemsets and solutions covering a wide range of difficulties.
Progress Tracking
Use our progress-tracking tools to track your progress in the Guide and stay motivated.
Trusted by thousands
Trusted by thousands.
This guide is written by top USACO contestants, including two-time IOI winner and USACO Problemsetter Benjamin Qi.
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Frequently asked questions
- What is the USACO?
USACO stands for the USA Computing Olympiad. Check out the USACO FAQ Page for more information.
- Is this an official syllabus?
No, USACO does not have an official syllabus. This guide merely lists topics that have historically appeared in USACO contests; it makes no guarantees about the topics in future USACO contests.
- How do I report a problem or ask a question?
If you encounter an issue while using the guide (website bug, typo, broken link, unclear explanation, etc), use the "Contact Us" button. Alternatively, email us at [email protected].
- I'm looking for classes, club curriculum...
Check out the Competitive Programming Initiative!
- Is this guide for non-USACO competitive programmers?
Of course! While we structure our content around USACO, feel free to use this guide even if you don't do USACO. You will still learn a lot from it!
- How can I get help?
If you get stuck, head over to the USACO Forum for help.
- How can I contribute?
To learn more about contributing, please visit this page. We appreciate any and all contributions!
- Is this open source?
Yes! Check out our GitHub Repository.
Contributors
By the Community, for the Community.
Comprised of USACO Finalists and top USACO competitors, our team is committed to increasing participation in competitive programming.
Benjamin Qi
Ryan Chou
Nathan Wang
Melody Yu
Bing-Dong Liu
Evan Zhao
Ryan Fu
Justin Ji
David Guo
Andy Chen
David Zhou
I Chen Chou
Rohan Garg
Ruben Jing
Srijith Chinthalapudi
Abhiraj Mallangi
Andrew Xu
- A
Ayush Bansal
Elliot Harper
Hannah Ying
Julian Wu
Kalyan Cherukuri
Kyle Liang
Meher Khurana
- M
Melissa Yu
Nathan Chen
- P
Patrick Deng
Rameez Parwez
Sachet Abeysinghe
Zixuan Ye
Zixuan Yin
Former Team Members
Jesse Choe
Amy Chang
Arpan Banerjee
Daniel Guan
Jay Fu
Kevin Sheng
Maggie Liu
Nathan Chen
Neo Wang
Nikhil Chatterjee
Varun Ragunath
Albert Zhu
Amogha Pokkulandra
Andrew Wang
Atharv Jain
Daniel Zhu
Darren Yao
David Li
David Zhang
Dustin Miao
Faris Raza
Harry Wang
Jeffrey Meng
Juheon Rhee
Justin Huang
Michael Cao
Nathan Gong
Pranav Jadhav
Trisha Sabadra
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Aadit Ambadkar
Aakash Gokhale
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Alex Du
Alex Wang
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Ben Dodge
Chongtian Ma
Chuyang Wang
Daniel Ge
Eric Xu
Frank Xiao
Harsh Akunuri
Ian Zhang
Jaiman Pandya
Jason Antwi-Appah
Jeffrey Zhang
John Tian
Jonathan Paulson
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Mithil Srungarapu
Mrinall Umasudhan
Nathan Zhang
Nikita Gorshkov
Oscar Rendón
Paul Chen
Peng Bai
Riley Bonner
Shikhar Ahuja
Siyong Huang
Sofia Yang
Stanley Zhao
Tatha Pandey
Vidith Madhu
Vivian Han
Yifan Ma
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