Скачать или смотреть 🔥 Day 23 of Solving 455 problems | Why Most Coders Fail at Strings | Striver A2Z

🔥 Day 23 of my 45 Days of Code Challenge is here!


Today, we’re stepping into Step 5: Strings (Medium Problems) — one of the most important topics for coding interviews. Strings test not only your logic but also your ability to optimize memory and handle edge cases 🚀.

⚡ Day 23 Plan (Step 5 — Strings: Medium Problems)

⏱️ Timestamps


01:32:00 – Maximum Nesting Depth of Parentheses ⬆️⬇️
01:42:00 – Roman Number to Integer and Vice Versa 🔢↔️🔤
01:55:00 – Implement Atoi (String to Integer) 🔡➡️🔢
02:10:00 – Count Number of Substrings 🔍
02:25:00 – Sum of Beauty of All Substrings ✨
02:40:00 – Reverse Every Word in a String 🪞

🎯 Outcomes by EOD
✅ Covered all Easy + Medium level String problems from Striver’s A2Z Sheet
✅ Strengthened fundamentals of string manipulation (rotation, prefix, palindrome, frequency-based problems)
✅ Built confidence in handling substring and parsing-based problems
🔜 Tomorrow → Step 6 begins: Linked List (Basic & Medium Problems) 🔗

💡 Strings are a must-master topic for interviews. They’re the foundation for problems in hashing, DP, and even advanced algorithms. Today’s practice will set the tone for more complex problems ahead.

👉 Code along, practice dry runs, and let’s make Binary Search our strongest weapon 💪
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