QUESTION
Question
Evaluation of postfix expression in c
ANSWERS:
Program Explanation
- Define header file <stdio.h> for io operations.
- Define int array st with 20 elements.
- Define int variable t and initialize its value to -1.
- Define function push with parameter int a.
- Initialize every element of t in st by a.
- Define function pop.
- Return the incremented value of t of st.
- Define main function.
- Define character array exp with 20 elements.
- Define character pointer variable e.
- Define int variables