Available question text
Simulate the OS Alt+Tab behavior: given a sequence of window events (open, close, and Alt+Tab/Shift+Alt+Tab cycles), maintain the most-recently-used ordering and current focus as windows are opened, closed, and cycled through, handling wrap-around and removals. The core challenge is correct state management and efficient updates to the MRU ordering under many operations.
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Leetcode 3237. Alt and Tab Simulation
Reported May 11, 2026 · 1 source report
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Source snapshot: Nov 12, 2026
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