How should I practice Build a Combined People Schedule?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Google onsite interview problems in FastPrep.

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Build a Combined People Schedule

Google● MediumFULLTIMEONSITE INTERVIEW

Problem statement

Each half-open schedule entry is [name,start,end], with integer times written as decimal strings.

The problem statement continues

Pro

Examples

Example 1

roster = [["Mary","10","40"],["John","30","50"],["Peter","50","80"],["Crystal","100","150"],["Jane","120","180"]]return = [["10","30","Mary"],["30","40","Mary,John"],["40","50","John"],["50","80","Peter"],["80","100",""],["100","120","Crystal"],["120","150","Crystal,Jane"],["150","180","Jane"]]

The result splits at every start or end and includes the 80-to-100 gap.

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