Attend High QualityWorkshops

2025 IOI Team Workshop

November 15, 2025
Season: 2025-2026

Meet three US team members for the 2025 International Olympiad in Informatics! Live CF Upsolve + Open Q&A.

Problemsetting Panel Discussion

April 13, 2025
Season: 2024-2025

Watch USACO problemsetters discuss contest creation and answer your Q&A—live!

USACO December 2024 Contest Solutions

December 21, 2024
Season: 2024-2025

This Saturday, learn how to solve USACO Bronze/Silver problems!

USACO Open 2024 Contest Solutions

March 22, 2024
Season: 2023-2024

This Thursday, learn how to solve USACO Bronze/Silver/Gold problems with our partner X-Camp Academy!

USACO February 2024 Contest Solutions

February 25, 2024
Season: 2023-2024

This Saturday, join a live USACO Bronze/Silver/Gold level solution session with our partner X-Camp Academy!

USACO January 2024 Contest Solutions

February 3, 2024
Season: 2023-2024

Learn how to solve the Bronze/Silver problems by experienced instructors from the USACO Jan 2024 contest, from intuition to code!

USACO December Contest Solutions

January 1, 2024
Season: 2023-2024

Having trouble understanding the USACO December solutions? Learn the bronze and silver solutions on December 31, 4PM PST/7PM EST!

IOI Team Workshop

November 27, 2023
Season: 2023-2024

Watch 3 of the top 4 high school competitive programmers in the USA solve a contest and answer your Q&A, live!

USACO Open Workshop

April 2, 2023
Season: 2022-2023

Learn how to solve the Bronze/Silver USACO U.S. Open solutions, and participate in a live discussion/Q&A about tips for USACO next year!

USACO February Contest Solutions

March 5, 2023
Season: 2022-2023

Learn how to solve the Bronze/Silver USACO February solutions, from intuition to code!

USACO January Contest Solutions

February 5, 2023
Season: 2022-2023

Having trouble understanding the USACO January solutions? Learn the bronze and silver solutions on February 4, 5PM PST/8PM EST!

USACO December Contest Solutions

January 8, 2023
Season: 2022-2023

Watch a USACO Platinum and USACO Silver try to solve the 2022 December Bronze contest, live at youtube.com/@cpinitiative

USACO US Open Contest Solutions

April 10, 2022
Season: 2021-2022

Gain a better understanding of the solutions for the US Open Contest through a joint workshop with X-Camp!

USACO February Contest Solutions

March 6, 2022
Season: 2021-2022

Gain a better understanding of the solutions for the February Contest through a joint workshop with X-Camp!

USACO January Contest Solutions

February 6, 2022
Season: 2021-2022

Gain an in-depth understanding of the solutions for the January Contest through a joint workshop with X-Camp!

Experience & Tips from the USA EGOI Team

October 17, 2021

Learn from the experience of the 2021 EGOI (European Girls' Olympiad in Informatics) team!

USACO for Absolute Beginners

August 6, 2021

An introduction to USACO for new competitive programmers. No experience necessary!

Intro to USACO Webinar

November 29, 2020

Experienced USACO contestants explain everything you need to know about getting started with USACO.