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Data Structures & Algorithms In Go

Solution Review: Infix-to-Prefix Conversion

Explore the process of converting infix expressions to prefix notation using stacks in Go. Learn to reverse the infix string, swap parentheses, convert to postfix, and reverse again to achieve prefix form while understanding the underlying algorithm and its O(n) time complexity.

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Solution

  1. We reverse the given infix expression.
  2. We replace ( with ), and ) with ( in the reversed expression.
  3. Now, we apply infix to postfix subroutines that we’ve already discussed.
  4. We reverse the generated postfix expression. This will give
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