Extract Marathon Runner Bib Numbers
Extract Marathon Runner Bib Numbers
EasyStrings0% accepted
Arjun manages the Mumbai Marathon's checkpoint system. Runner data is stored in format 'BibNumber-RunnerName-Checkpoint' (e.g., '1005-Arjun-5'). He needs to extract bib numbers for result tracking and participant identification.
Approach
Given runner entry strings in format 'BibNumber-RunnerName-Checkpoint', extract and return the bib numbers.
Input
["1005-Arjun-5", "1003-Priya-3", "1001-Ravi-1"]
Output
["1005","1003","1001"]
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