The best programmers are not marginally better than merely good ones. They are an order-of-magnitude better, measured by whatever standard: conceptual creativity, speed, ingenuity of design, or problem-solving ability. Randall E. Stross
Infix notation is the notation commonly used in arithmetical and logical formulae and statements. Postfix also known as Reverse Polish Notation is a notational system where the operation or function follows the arguments.
Write a program convert from Postfix notation to infix notation using the stack.
Postfix: 5 3 + 12 * 3 /
Infix (5 + 3) * 12 / 3
Postfix Expression: abc*+ Infix Expression: (a+(b*c))