TicTacToe is a game where two players to put Xs and Os in compartments of a matrix. This is a C++ project.

A square matrix (usually positive integers) with the sum of each row, column, and both main diagonals being the same is called a magic square. This is a C++ project.

An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. This is a C++ project.