Infix to Postfix Conversion in C Program using Stack2 min read

Stack is very useful for storing data in the manner of the stack. It s useful when comes to the conversion of arithmetic expressions in high-level programming languages into machine-readable form. There are some complicated arithmetic expressions such as (A+B)*C(D/(E+D)). This form can be converted into polish notation using stack.

Infix and Postfix Expression

Infix expression contains the operator at the middle of the operands such as A+B. Whereas Postfix expression the operator goes to the end of the expression such as AB+.

Let us go through an example in the C program.


Infix to Postfix Conversion in C Program using Stack

Output: Run 1

infix to postfix output

Output: Run 2

infix to postfix output

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