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What this C++ code-reading question tests

This is an easy C++ question that asks you to trace through a short code snippet and predict its output. It's a straightforward test of language fundamentals—the kind of warm-up question interviewers use to establish baseline familiarity with syntax and runtime behaviour before moving to harder problems.

To answer correctly, you need to carefully read the code as written, understand how the C++ compiler interprets each statement, and track the state of variables through execution. The title hints that something might be missing or overlooked, so attention to detail is key. These questions reward slow, deliberate reading over speed.

• Syntax and operator precedence
• Variable scope and initialization
• Type conversions and implicit coercions