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Postfix expressions are evaluated

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Reference no: EM131457690

1. Postfix expressions are evaluated according to the following rules:

a. Scan the expression from left to right.

b. If an operator is found, back up to get the required number ofoperands, evaluate the operator, and continue.

2. The STL class stack can be used to implement a stack in a program.

Reference no: EM131457690

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