Question: 5. Write a C++ program to evaluate the value of an arithmetic expression in Reverse Polish Notation (known as postfix expression). Valid operators are +,
5. Write a C++ program to evaluate the value of an arithmetic expression in Reverse Polish Notation (known as postfix expression). Valid operators are +, -, *,/. Each operand may be an integer or another expression. Example: .Input: 2", "1""+", "3", "*", Output: 9: Explanation: ((2+1))*3-9 .Input: ("4", "13", "5", "", Output: 6: Explanation: (4+(13/5)-6
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