DIY: String to Integer (atoi)
Understand how to implement a string to integer conversion function in Elixir that handles leading spaces, optional + or - signs, and invalid inputs. This lesson helps you practice parsing and validating string input, preparing you for related coding interview problems.
We'll cover the following...
We'll cover the following...
Problem statement
In this coding exercise, you are given a string. You have to convert this string to a 32-bit signed integer. The string may have a leading whitespace. The first non-whitespace character in the string may or may not be numeric.
-
If it isn’t numeric, it may be a
+or-sign, which will determine if the final result is negative or positive, ...