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DIY: Basic Calculator III

Explore how to implement a function that evaluates arithmetic expressions containing positive integers, operators, and parentheses. Learn to handle operator precedence, integer division, and ensure valid results using C++. This lesson prepares you for coding problems involving expression evaluation commonly asked in technical interviews.

Problem statement

You are given a string s containing only positive integers, operators ('+', '-', '*', '/'), and parentheses '()'. The intermediate results of the given expression string are in the range [-2312^{31} ...