Dsa
Stack
Medium
Postfix Expression Evaluator
You need to evaluate a postfix expression given in the form of a string. The expression will consist of integers and operators (+, -, *, /). Your task is to compute the result of the expression using a stack to handle the operations. The input will be a single line of a valid postfix expression. The output should be the computed integer result.
Example input:
2 3 + 4 *
Output:
20
Key concepts
stackevaluationpostfix
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