A subsequence in an array is a group of numbers that retain their sequence order, but may not be consecutively placed. For example, [1, 3, 4] is a subsequence of [1, 2, 3, 4] and [2, 4] is also a v...

This is a notes on how to exploit buffer overflow bugs on an application called Vulnserver which has no functional use other than act as an exploit target for understanding the impact on buffer ove...

A function is required that accepts a non-empty array of unique integers and a target sum integer as input. If any two integers in the input array add up to the target sum, the function should retu...

Big-O notation is a method of communicating the upper limit of the running time complexity of an algorithm; it is basically a way to illustrate how the runtime of an algorithm increases as the size...

Cyber security is an ever-important concern for businesses of all sizes, from small startups to established corporations. Ensuring the security of your network, systems, and data is essential in th...