Question

The expression in postfix notation corresponding to the prefix notation ++A*B+CD*+EFG is

Answer 1

 

To convert prefix to postfix –

1. Read input from right to left
2. If(operand) push onto stack
3. If (operator) pop operand 2, pop operand 1
4. Write expression in this order operand 1 operand 2 operator 
5. Push above expression onto the stack.
6. Repeat the above steps until end of prefix expression.