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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]()
Benjamin Qi
![Kevin Sheng]()
Kevin Sheng
![Ryan Chou]()
Ryan Chou
![Nathan Wang]()
Nathan Wang
![Melody Yu]()
Melody Yu
![Bing-Dong Liu]()
Bing-Dong Liu
![Evan Zhao]()
Evan Zhao
![Ryan Fu]()
Ryan Fu
![Justin Ji]()
Justin Ji
![Tatha Pandey]()
Tatha Pandey
![Andy Chen]()
Andy Chen
![I Chen Chou]()
I Chen Chou
![Rohan Garg]()
Rohan Garg
![Srijith Chinthalapudi]()
Srijith Chinthalapudi
![Abhiraj Mallangi]()
Abhiraj Mallangi
![Andrew Xu]()
Andrew Xu
- A
Ayush Bansal
![Chongtian Ma]()
Chongtian Ma
![David Guo]()
David Guo
- D
David Zhou
![Elliot Harper]()
Elliot Harper
![Hannah Ying]()
Hannah Ying
![Julian Wu]()
Julian Wu
![Kalyan Cherukuri]()
Kalyan Cherukuri
![Kyle Liang]()
Kyle Liang
![Meher Khurana]()
Meher Khurana
- M
Melissa Yu
![Nathan Chen]()
Nathan Chen
- P
Patrick Deng
![Rameez Parwez]()
Rameez Parwez
![Sachet Abeysinghe]()
Sachet Abeysinghe
![Zixuan Ye]()
Zixuan Ye
![Zixuan Yin]()
Zixuan Yin
Former Team Members
![Jesse Choe]()
Jesse Choe
![Amy Chang]()
Amy Chang
![Arpan Banerjee]()
Arpan Banerjee
![Daniel Guan]()
Daniel Guan
![Jay Fu]()
Jay Fu
![Maggie Liu]()
Maggie Liu
![Nathan Chen]()
Nathan Chen
![Neo Wang]()
Neo Wang
![Nikhil Chatterjee]()
Nikhil Chatterjee
![Varun Ragunath]()
Varun Ragunath
![Albert Zhu]()
Albert Zhu
![Amogha Pokkulandra]()
Amogha Pokkulandra
![Andrew Wang]()
Andrew Wang
![Atharv Jain]()
Atharv Jain
![Daniel Zhu]()
Daniel Zhu
![Darren Yao]()
Darren Yao
![David Li]()
David Li
![David Zhang]()
David Zhang
![Dustin Miao]()
Dustin Miao
![Faris Raza]()
Faris Raza
![Harry Wang]()
Harry Wang
![Jeffrey Meng]()
Jeffrey Meng
![Juheon Rhee]()
Juheon Rhee
![Justin Huang]()
Justin Huang
![Michael Cao]()
Michael Cao
![Nathan Gong]()
Nathan Gong
![Pranav Jadhav]()
Pranav Jadhav
![Trisha Sabadra]()
Trisha Sabadra
![Vikas Thoutam]()
Vikas Thoutam
![Aadit Ambadkar]()
Aadit Ambadkar
![Aakash Gokhale]()
Aakash Gokhale
![Adham Ibrahim]()
Adham Ibrahim
![Aditya Gupta]()
Aditya Gupta
![Advay Bajpai]()
Advay Bajpai
![Akshar Yeccherla]()
Akshar Yeccherla
![Albert Jiang]()
Albert Jiang
![Alex Chen]()
Alex Chen
![Alex Du]()
Alex Du
![Alex Wang]()
Alex Wang
![Andi Qu]()
Andi Qu
![Arnan Bawa]()
Arnan Bawa
![Arnav Adhikari]()
Arnav Adhikari
![Ben Dodge]()
Ben Dodge
![Chuyang Wang]()
Chuyang Wang
![Daniel Ge]()
Daniel Ge
![Eric Xu]()
Eric Xu
![Frank Xiao]()
Frank Xiao
![Harsh Akunuri]()
Harsh Akunuri
![Ian Zhang]()
Ian Zhang
![Jaiman Pandya]()
Jaiman Pandya
![Jason Antwi-Appah]()
Jason Antwi-Appah
![Jeffrey Zhang]()
Jeffrey Zhang
![John Tian]()
John Tian
![Jonathan Paulson]()
Jonathan Paulson
![Lokesh Pampatti]()
Lokesh Pampatti
![Mihnea Brebenel]()
Mihnea Brebenel
![Mithil Srungarapu]()
Mithil Srungarapu
![Mrinall Umasudhan]()
Mrinall Umasudhan
![Nathan Zhang]()
Nathan Zhang
![Nikita Gorshkov]()
Nikita Gorshkov
![Oscar Rendón]()
Oscar Rendón
![Paul Chen]()
Paul Chen
![Peng Bai]()
Peng Bai
![Riley Bonner]()
Riley Bonner
![Shikhar Ahuja]()
Shikhar Ahuja
![Siyong Huang]()
Siyong Huang
![Sofia Yang]()
Sofia Yang
![Stanley Zhao]()
Stanley Zhao
![Vidith Madhu]()
Vidith Madhu
![Vivian Han]()
Vivian Han
![Yifan Ma]()
Yifan Ma
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