kotlin-coding-challenges

Is substring

Instructions

Given two strings implement a function which determines whether the characters in the second string is a substring of the characters in the first string (check if second string exists as continuous/unbroken chain of characters the first string).

Challenge

Solution

Limitations

Don’t use String.contains method.

Examples

isSubstring("go home", "ome") // true

isSubstring("go home", "me") // true

isSubstring("go home", "abc") // false

Hints

Hint 1

Use double pointer or recursion

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