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Grokking the Coding Interview Patterns in C++

Find the Difference

Explore how to identify the index of the extra character in two strings of different lengths by applying bitwise manipulation techniques. This lesson helps you understand efficient string comparison methods relevant for coding interviews and practice implementing solutions in a hands-on coding environment.

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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:

  • 0≤0
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