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ABC. Easy as 123? is a easy quant interview question on language knowledge in Cpp.
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This is an easy C++ question that asks you to read and reason about a short code snippet. It probes whether you can trace execution flow and predict output without running the code—a skill that matters in interviews and code review.
Questions of this type reward careful attention to operator precedence, control flow, and the semantics of standard library functions or language constructs. The goal is to verify you can reason about code confidently and spot bugs or unexpected behaviour at a glance.