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Expression Evaluator

Evaluate an expression containing non-negative integers, '+', '-', '*', '/', parentheses, and spaces. Division truncates toward zero.

Important

  • -Respect operator precedence and parentheses.
  • -All numbers are non-negative integers.
Signature
Constraints
  • -|expr| ≤ 5e4
  • -values fit in 32-bit signed int
Examples
    System prompt
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    // Waiting for generated code…
// Your output will appear here as soon as the model returns JavaScript.
// It must define function calc(…).
// Tip: write a prompt on the left and click "Generate code" .
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    Submission #1
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