A class is an organisation of data and functions which operate on them. Data structures are called data members and the functions are called member functions, The combination of data members and member functions constitute a data object or simply an object.

The SFL (Standard Function Library) is an open source portable function library for C/C++ programs. Written by iMatix, the SFL provides about 450 functions for compression, encryption, encoding, datatype conversion and formatting, dates, times, calendars, internet programming (MIME, CGI) and many more.

This C++ program is tour of knight on 64 square of chess board. The goal is to place a knight on an empty chess board and then move the knight to each of the remaining 63 squares while only visiting each square once. If on visiting the last square the knight is able to hop to the square on which it first started it is known as a closed tour (and so the knight could resume the exact same sequence of moves to complete another tour) while if the knight is unable to hop to the original square, it is known as an open tour.

This is a C++ implementation of various sorting algorithms. The list of algorithms include Bubble Sort, Heap Sort, Selection Sort, Insertion Sort, Quick Sort, Merge Sort and Shell Sort. A brief description of each sorting algorithm is listed below along with their complexity.