Find the Difference
Try to solve the Find the Difference problem.
We'll cover the following
Statement
Given two strings, str1
and str2
, find the index of the extra character that is present in only one of the strings.
Note: If multiple instances of the extra character exist, return the index of the first occurrence of the character in the longer string.
Constraints:
-
str1.length
,str2.length
- Either
str2.length
str1.length + 1
, or,str1.length
str2.length + 1
- The strings consist of lowercase English letters.
Examples
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