DIY: Basic Calculator
Understand how to implement a basic calculator that evaluates simple mathematical expressions containing addition, subtraction, and parentheses. Learn to handle string input, ignore spaces, and return the correct integer result, preparing for coding interview problems involving expression parsing.
We'll cover the following...
We'll cover the following...
Problem statement
In this challenge, you have to implement a very basic calculator that evaluates a simple expression string. The calculator should handle the + and ...