How should I practice String Compression Problem?

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

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Problem · String

String Compression Problem

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● Easy

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Problem statement

Given a string input, replace each maximal consecutive run of the same character with that character followed by the run length.

Return the complete run-length encoded string, even when it is longer than input.

Function

compressString(input: String) → String

Examples

Example 1

input = "abaasass"return = "a1b1a2s1a1s2"

The consecutive runs are a, b, aa, s, a, and ss. Writing each run as its character followed by its length produces a1b1a2s1a1s2.

Problem statement

Function

Examples

Example 1

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