Algorithm · Applied Intuition · Hard
Implement a small expression evaluator that reads one line containing an arithmetic expression and returns the integer result. The expression supports addition, subtraction, multiplication, division, and parentheses. The input is guaranteed to be valid. The supported operators are +, -, *, and /. Standard arithmetic precedence applies: parentheses are evaluated first, then multiplication and division, then addition and subtraction. The input is a single-line string, such as…
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