3. Write computer programs for the following in Ubuntu Terminal in the form of .cpp file and compile and run and attach both code and output for each of the following:- (A) Generate 300 hardsphere particles of size within a simulation box (cell) of size 10 ensuring that there are no overlaps (B) Write a program that randomly selects a single particle among these 300 particles

(C) Write a program for the trial move of a particle. Maximum displacement is defined as delta.

(Molecular Dynamic Simulation Question.)