Why postfix is better

Related Articles. Table of Contents. Save Article. Improve Article. Like Article. Postfix : An expression is called the postfix expression if the operator appears in the expression after the operands.

Simply of the form operand1 operand2 operator. Simply of the form operator operand1 operand2. Conversion of Postfix expression directly to Prefix without going through the process of converting them first to Infix and then to Prefix is much better in terms of computation and better understanding the expression Computers evaluate using Postfix expression.

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Is postfix the reverse of Prefix? A postfix expression is merely the reverse of the prefix expression. Which is better, Prefix or Postfix? Postfix is better, and one of the main reasons is Memory efficiency. What is the other name for a postfix expression? What is the difference between infix and postfix? Why are parentheses not required in postfix and prefix expressions? Which data structure is used in infix, postfix and prefix conversion?

Stack is used in infix, postfix and prefix conversion. Tags: coding ninjas Infix conversation Postfix conversation Prefix converstation. Coding Ninjas September 6, Search for:. Also see How to Ask — gnat. Because prefix and postfix expressions can often be processed by a trivial stack-based algorithm, and they never require parentheses, order of operations or associativity rules for disambiguation. It's not hard to find websites explaining this in great detail. Add a comment. Active Oldest Votes.

The most important of these are: much easier to translate to a format that is suitable for direct execution. Either format can trivially be turned into a tree for further processing, and postfix can be directly translated to code if you use a stack-based processor or virtual machine entirely unambiguous. Improve this answer. Jules Jules Basile Starynkevitch Basile Starynkevitch Sign up or log in Sign up using Google.

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