DIY: Basic Calculator
Explore how to build a basic calculator that can evaluate simple arithmetic expressions with addition, subtraction, and parentheses. This lesson helps you understand parsing and evaluation techniques without relying on built-in functions, strengthening your problem-solving skills for coding interviews.
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 - operators and ...