Question: I stack (array or linked list expression using the following algorithm Input: Postfix expression Output: the result of the expression Algorithm Scan the postfix expression

I stack (array or linked list expression using the following algorithm

I stack (array or linked list expression using the following algorithm Input: Postfix expression Output: the result of the expression Algorithm Scan the postfix expression from left to right, reading each character ch until the end of the expression 1. 2. If the ch is an operand thern push ch into the stack go back to 1 3. else if ch is an operator then pop two elements from stack, implement the operation, and push result into stack go back to 1

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