How do you decide which integer type to use?
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Which uses less memory? a) struct astruct { int x; float y; int v; }; b) union aunion { int x; float v; }; c) char array[10];
What are the two types of comments?
Differentiate between an external iterator and an internal iterator?
Can we remove an element in a single linked list without traversing? Lets suppose the link list is like this 1 2 3 4 5 6 We need to remove 4 from this list (without traversing from beginning) and the final link list shud be 1 2 3 5 6 only thing we know is the pointer to element "4". How can we remove "4" and link "3" to "5"?
Write a c++ code that will calculate the roots of a quadratic equation a2+ bx+c=0 Hint: d = sqrt (b2-4ac), and the roots are: x1 = (€“b + d)/2a and x2 = (€“b €“ d)/2a (use sqrt function from cmath.h )?
Explain the difference between using macro and inline functions?
Explain what is polymorphism in c++?
Which coding certification is best?
What are the advantages of inheritance in c++?
What is the output of the following program? Why?
When is a template better solution than a base class??
How can we check whether the contents of two structure variables are same or not?