Write a function that returns the number of bits that are “on” (set to 1) in a byte. How can you make this function as fast as possible?
int countBits(unsigned char aByte)
{
{
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This site features a collection of common technical interview questions gathered by a group of programmers who have been through, and given, lots of technical interviews. There is an emphasis on C++ and game programming technical interviews, but most of the questions are relevant to any technical interview.
In C++, what is the difference between the access modifiers private and protected?
Write a fast routine for multiplying an unsigned integer by 7. Then write a fast routine for dividing an unsigned integer by 7.
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Programming Interviews Exposed
This book teaches you critical interviewing skills such as how to ask effective questions, how to best approach a problem, and what to do when you get stuck. Integrated throughout the book are problems
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When (and why) should a destructor be declared as virtual?
Write a function that will reverse a string in-place. Assume that the string is null-terminated.
void reverseString(char *aString)
{
{
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