Panthers expression

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The Pink Panther is leaving clues for Inspector Clouseau for the next robbery. The clues are in Polish notation. - Polish notation is the way to write parenthesis-free expressions. Its distinguishing feature is that it places operators to the left of their operands. - expression ::= number | (operator expression expression) - operator ::= + OR - OR * OR / (plus, minus, product, division) -

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solution.cppC++17

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