C++ Quiz Answer: Loop by Reference

C++ Quiz Shorts:    • She Watches a Short. Realizes — It’s Her J...  

Quiz:    • C++ Quiz: Loop by Reference  

You incremented each element through a loop… but the vector stayed unchanged. What’s going on?

Was it a bug? Or just C++ being tricky?

In this short video, we break down a subtle mistake in range-based for loops — and show how to fix it with one simple change.

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