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What this C++ language-knowledge question tests

This is an easy C++ question that screens for careful reading of language semantics. Rather than requiring you to write code, it asks you to trace through a snippet and predict its output—a skill that separates developers who understand the language from those who rely on trial-and-error.

Questions of this type often hinge on subtle but real differences in how C++ handles scope, initialization, type conversion, or operator precedence. Getting the answer right means having internalized the relevant rule; getting it wrong usually means you've made a reasonable but incorrect assumption about how the code behaves.

• Operator precedence and associativity
• Type coercion and implicit conversions
• Variable scope and shadowing
• Order of evaluation