In infix notation, we need parentheses to show which part of the expression to solve first. In postfix notation, the order of operations is already clear, so we don’t need parentheses.
Postfix conversion implemented with a stack and a simple queue implemented with a single-linked list
As aforementioned, this is a dual-program with both a queue and a postfix function built in. They are not built using each other, they're two separate classes that happen to be in the same overarching ...
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