Alert Using Same Key-Card Three or More Times in a One Hour Period: coding question

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Given name/time pairs, find all workers who used their keycard three or more times within any 60-minute window by grouping times per name, converting HH:MM to minutes and checking sorted timestamps for such a window, and return the unique names sorted alphabetically.

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Leetcode 1604. Alert Using Same Key-Card Three or More Times in a One Hour Period
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Alert Using Same Key-Card Three or More Times in a One Hour Period

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Alert Using Same Key-Card Three or More Times in a One Hour Period

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