Deadline：xx/yy/2018 23:59 "Read before submission"

Requirements :

1.Implement infix to prefix transformation

2.Implement infix to postfix transformation

Bonus :

1. postfix to infix

2.prefix to infix

3.prefix to postfix

4. . . . . .

Program Example

Reference

Implement infix2postfix step by step

Infix/Postfix/Prefix Transformations