Sliding Window avoids recalculating counts for every substring. Maintaining a running count reduces the time complexity to O (n). 📊 Complexity Analysis Time Complexity: O (n) Space Complexity: O (1) ...
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In other words, check if any substring of s2 is an anagram of s1. 🛠️ Solution Breakdown 1️⃣ Frequency Tracking: We first create a frequency map (cntr) of all characters in s1 using Python's Counter ...
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