A constant-space linear-time algorithm for deleting all but the 10 most recent files in a directory

· Raymond Chen · May 14, 2026, 6:50 p.m.
Code Old New Thing algorithms data-structures File Management programming techniques
Summary
This blog post discusses a constant-space linear-time algorithm designed for efficiently deleting all but the ten most recent files in a directory. It emphasizes the use of familiar data structures and techniques to achieve this task.
Read full post on devblogs.microsoft.com →
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