Given a postfix expression, the task is to evaluate the expression and print the final value. Operators will only include the basic arithmetic operators like *, / , +, and -
All Answers
total answers (1)
Severity: 8192
Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
Filename: libraries/Filtered_db.php
Line Number: 23
total answers (1)
Stack Based Approach
We will perform the following operation.
Iterate from left to right, if we encounter operand then push it into the stack otherwise if we encounter operator then we will do the following,
Pseudo Code:
C++ Implementation:
Output