ICPC MIDATLANTIC
PACISE
CCSC MIDWEST
UVa Online Judge
UHunt - to track your UVa statistics.
Leetcode
Codeforces
Kattis
Sphere Online Judge
22-23 Club Curriculum
21-22 Club Curriculum
Books
Learn Java
Java 8 Documentation
VisualGo - for visualizing data structs and algorithms.
Top Algorithms and Data Structures for Competitive Programming
Curated list of resources
AI Coding and Programming Tools
CSRAMS/CPC_Problems
Eclipse
IntelliJ
Visual Studio Code
Atom
Sublime Text
Mary Bauman, President of Competitive Programming Club at WCU
Brooke Martin