Element-Wise Tally

What this C++ code-reading question tests

This is a medium-difficulty code-reading question that probes your understanding of C++ language semantics, particularly how operators interact with different data types and control flow. Questions of this kind appear regularly in technical interviews because they separate candidates who have internalized language subtleties from those relying on surface-level knowledge.

To solve it, you'll need to trace through the code step-by-step, paying close attention to type conversions, operator precedence, and any implicit or explicit casting. The question rewards careful reading and the ability to predict runtime behaviour without executing the code yourself—a skill interviewers value highly because it reflects deep familiarity with the language.

• Operator precedence and associativity
• Type coercion and implicit conversions
• Control-flow evaluation and short-circuit logic