How should I practice Replace Every Nth Consonant?

Start by reading the full statement, solve the visible examples, then compare the pattern against related ZipRecruiter online assessment problems in FastPrep.

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FastPrep tags this as a ZipRecruiter online assessment coding practice problem when the problem catalog has that company and stage context.

Replace Every Nth Consonant

ZipRecruiter● EasyFULLTIMENEW GRADOA

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Problem statement

You are given a string message and a positive integer n. Scan consonant letters in message order, ignoring vowels and nonletters.

Replace every nth consonant with the next consonant in the sequence bcdfghjklmnpqrstvwxyz. Preserve case, and wrap z to b. Leave every other character unchanged.

Function

replaceEveryNthConsonant(message: String, n: int) → String

Examples

Example 1

message = "CodeSignal"n = 3return = "CodeTignam"

S is the third consonant and becomes T; l is the sixth consonant and becomes m.

Example 2

message = "xyz"n = 2return = "xzz"

y is the second consonant and advances to z.

Constraints

0 <= message.length <= 100000
1 <= n <= 100000