Reverse Polish Notation
Details
RPN (Reverse Polish Notation) is a way of writing expressions such that
operators are written after their operands: 3 2 + rather than
(3+2).
Each argument is an RPN expression, given as a space-separated list of
tokens: either a number 0…32767 or an operator
(addition +, subtraction -, multiplication
* or integer division /).
Evaluate and print the result of each expression on its own line.
The result of each operation is a non-negative integer not exceeding 32,767. Division is guaranteed to have an exact integer result.
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