Day 365/365: 1 year of continuous effort #365dayschallenge #viral #trending #trendingshorts #code

Day 365/365 of the LeetCode Daily Coding Challenge! 🎉 I finally hit a 1-YEAR STREAK!Today we are solving LeetCode 3120: Count the Number of Special Characters I.The goal is to find how many letters appear in BOTH lowercase and uppercase within a given string.Instead of heavy hash maps, I used an ultra-optimized Bitset approach (std::bitset26) in C++ to keep memory usage at $O(1)$ and time complexity at $O(N)$.Consistency pays off. 365 days of showing up every single day, no matter what. If you're on your coding journey, keep grinding—you've got this! 💪Like, share, and subscribe for more clean code solutions! 🎯🏷️

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