String-6 | 8. String to Integer (atoi) | 🔥 Beginner, Medium & Advanced Level!
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3 Months DSA for Placements! 🚀 Beginner to Advanced Playlist
🔍 Leetcode 8: String to Integer (atoi) - Step-by-Step Solution! 🔍
🚀 In this video, we break down the String to Integer (atoi) problem from Leetcode (#8) and implement a step-by-step approach to convert a string into an integer while handling all edge cases efficiently.
✅ Approach:
1️⃣ Trim leading whitespaces – Ignore any spaces at the beginning.
2️⃣ Check the sign – Determine if the number is positive or negative.
3️⃣ Convert digits – Read characters until a non-digit is found.
4️⃣ Handle integer overflow – Clamp values within the 32-bit signed integer range (-2³¹ to 2³¹ - 1).
5️⃣ Return the final integer – Ensuring all constraints are met.
📌 What You’ll Learn:
✔️ Problem statement & examples
✔️ Step-by-step coding walkthrough
✔️ Time & space complexity analysis
✔️ Handling tricky edge cases like non-numeric characters & overflow
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💬 Got questions? Drop a comment below, and let’s discuss! 🚀
🔖 Hashtags:
#Leetcode #StringToInteger #Atoi #CodingInterview #DataStructures #Algorithms #Leetcode8 #Python #Java #CPlusPlus #DSA #SoftwareEngineering #CodingChallenge #InterviewPreparation #Programming #StringParsing #EfficientCoding #EdgeCasesHandled
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