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Which of the following data structure is used to convert postfix expression to infix expression?

(a) Stack

(b) Queue

(c) Linked List

(d) Heap

My query is from Application of Stacks in section Application of Stacks of Data Structures & Algorithms I

This question was addressed to me in a national level competition.

1 Answer

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Best answer
Correct option is (a) Stack

Best explanation: To convert the postfix expression into infix expression we need stack. We need stack to maintain the intermediate infix expressions. We use stack to hold operands.

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