How should I practice Check Alphabetical Order 🌸?

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Problem · String

Check Alphabetical Order 🌸

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● Easy

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Problem statement

The input consists of a string - inputString, representing the given string.

Print '0' if the given string is in alphabetical order. If not print the index of the character where it is out of alphabetical order.

Function

checkAlphabeticalOrder(inputString: String) → int

Examples

Example 1

inputString = "abc"return = 0

The given string "abc" is in alphabetical order, so the output is '0'.

Example 2

inputString = "asd"return = 2

The given string "asd" is not in alphabetical order, and the character at index '2' is where it is out of order.

Constraints

Unknown for now