90% Developers Fail This! 😳 vector vs list | Why Your Code is Slow?

90% developers is C++ interview question mein fail ho jaate hain 😳
vector fast hota hai… lekin kuch cases mein yeh slow kyun ho jata hai?

In this video, we break down:

Difference between vector and list in C++
Why middle insertion in vector is slow (O(n))
How list avoids shifting using pointers
Real interview trap most candidates miss

💡 Key Insight:
Vector is fast due to cache locality, but costly when frequent insertions happen in the middle.

🎯 When to use:

vector → fast access, cache-friendly
list → frequent insert/delete with iterator

🚀 Perfect for:

C++ interviews
System programming
Performance optimization

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Видео 90% Developers Fail This! 😳 vector vs list | Why Your Code is Slow? канала Interview Expert