Contests where C++ code is allowed

Exam Preparation IV - Taking a Sample Exam
Exam Preparation V - Taking a Sample Exam
Regular Expressions (RegEx) - Lab
Judge Assignment 1 (JA1 - Syntax and Memory Exercises)
First Steps in Coding
Simple Operations and Calculations - Lab
Conditional Statements - Lab
Conditional Statements Advanced - Lab
Nested Loops - Lab
C# Intro and Basic Syntax - Lab