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| README.md | ||
First Recurring Character
Write a program that outputs the first recurring character in a string.
Input Description
A string of alphabetical characters. Example:
ABCDEBC
Output Description
The first recurring character from the input. From the above example:
B
Note
What is exactly the definition of 'first recurring character'?
- It is the character that recurs first (B in the series ABBA)
Examples
ABCDEBC ➞ B
ABBA ➞ B