Created
July 21, 2025 12:55
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Given an array of parts where each part is { name, arrivalDays, assemblyHours }, return the minimum total hours needed to finish assembling all parts, starting from hour 0.
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| def minimum_assembly_time(parts) | |
| parts | |
| .map { |part| part.merge(arrival_hours: part[:arrival_days] * 24) } | |
| .sort_by { |part| [part[:arrival_hours], part[:assembly_hours]] } | |
| .reduce(0) { |time, part| [time, part[:arrival_hours]].max + part[:assembly_hours] } | |
| end |
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