DIY: String to Integer (atoi)
Solve the interview question "String to Integer (atoi)" in this lesson.
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, respectively. You ...