Category: c / c++

Linux is a powerful Operating System and the C programming language plays a very important role under Linux (compared to Windows).  Most of the Linux kernels are written in …

Introduction You probably came across the term ‘Tail Recursion’ or ‘Tail Recursive’ before. You even have written a piece of Tail Recursive functions/algorithms without knowing it. So, what is …

Question: Implement integer square root for int sqrt(int x) There are many ways to compute the integer square root. But if you don’t bother, you can always cheat the compilers …

Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Note: For the purpose of this problem, we define empty string as valid …

Question: Given an array and a element, remove all instances of that value in place and return the new length. The order of elements can be changed and it …