What is the iunknown interface?
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Why do we need runtime polymorphism in c++?
In what situations do you have to use initialization list rather than assignment in constructors?
if i want cin 12345678910 and cout abcdefghij. so how can i create the program?. example : if i key in 8910 so the answer is ghij.
What is ctime c++?
Why is null pointer used?
What is multithreading and what is its use?Whats are multithreading techniques used in C++?
What are the uses of c++ in the real world?
What is the difference between a type-specific template friend class and a general template friend class?
Which bitwise operator is used to check whether a particular bit is on or off?
Write a function to perform the substraction of two numbers. Eg: char N1="123", N2="478", N3=-355(N1-N2).
Where Malloc(), Calloc(), and realloc() does get memory?
What is atoi?
STL 
