Infix to prefix program in c

The first step in this algorithm is to push a left parenthesis on the stack and to add a corresponding right parenthesis at the end of the infix expression.

The algorithm is repeated until the stack is empty. Ask a question Contribute an article Questions Articles. Posted By :- Vinnu. Login or Register to comment. Related Articles Showing Month and Year only in Bootstrap Datepicker. With a good debugger, you can execute your program line by line and see where it is deviating from what you expect. This is an essential tool if you are going to do any programming. Further reading: How to debug small programs — NathanOliver.

I'm so sorry if I sound stupid and desperate, but I am. Add a comment. Active Oldest Votes. Improve this answer. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Step 3.

If the character is an operand, put it into the output stack. Step 4. If the character is an operator and the operator's stack is empty, push the operator into the operators' stack.

Step 5. If the operator's stack is not empty, there may be the following possibilities. Never pop out ' ' or ' ' whatever may be the precedence level of scanned character. Step 6:Reverse again the postfix notation we obtain. Now we find the postfix expression of the reversed infix notation. Evaluation of the Prefix Expression Till now we have Discuss how to convert infix to prefix.

But We should also know how to evaluate that prefix expression. Below is the source code for C Program to convert infix to prefix using stack and evaluate prefix expression which is successfully compiled and run on Windows System to produce desired output as shown below :.

If you found any error or any queries related to the above program or any questions or reviews , you wanna to ask from us ,you may Contact Us through our contact Page or you can also comment below in the comment section.

We will try our best to reach up to you in short interval.