Structs for Categorization
Explore how to use structs in C++ to group related data and build nested structures for weekly meal and study planners. Learn to organize multiple meals per day, loop through days to calculate daily and weekly totals, and create clear summaries for better data management in your applications.
The project
You’ve been tracking calories by day and meal type, but now you want to see the whole week’s nutrition in one system. Instead of running your tracker day by day, you need a planner that stores all 7 days of meals, calculates per-meal totals, and shows both daily summaries and a weekly summary.
Type the following:
Day 1 Breakfast: 400Day 1 Lunch: 600Day 1 Dinner: 300
It is useful, but it doesn’t provide a comprehensive weekly overview. What you need is a structured way to group meal data—a format where each day can hold details for breakfast, lunch, and dinner together, and where you can easily loop through the week to compute totals.
That’s where structs come in.
The programming concept
The concept for today is structs, one of the most powerful building blocks in C++. A struct ...