Available question text
Given a string representing a sequence of bottles ('a' for aluminum, 'b' for glass, 'c' for plastic) on a conveyor belt and an integer k, determine the minimum number of minutes required to collect at least k items of each type by picking from either end of the belt. Return -1 if impossible.
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Amazon
Minimum Time to Collect Items from Conveyor Belt
Reported Jan 10, 2025 · 1 source report
JUNIOR
Source snapshot: Nov 12, 2026
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