Solve this task in cpp only by using the concepts of object oriented Programming(only).and use file handling to store data and explain each step in comments

(C) Your task is to read these text files and store the data in a graph structure, and then use this data to print Euler Circuit and Euler path if exist. For example, consider the following graphs, 3 2 4 The given graph has Euler Circuit as {1, 0, 3, 4, 0, 2, 1}. d N a b