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Solution: Evaluate Postfix Expression Using a Stack

Solution: Evaluate Postfix Expression Using a Stack

Let’s solve the Evaluate Postfix Expression Using a Stack problem.

We'll cover the following...

Statement

Given a string, exp, represents an arithmetic expression in a postfix notationpostfix. Evaluate exp and return the resulting integer value.

The rules are given below:

  • The valid operators are '+''-''*', and '/'.

  • Each operand may be an integer or another expression.

  • The division between two integers always truncates toward zero.

  • There will not be any division by zero.

  • The input represents a valid arithmetic expression in a postfix notation. ...

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