Solved L-2997 Medium

Solved L-2370 in cpp and java

Added solution to L-1137 Tribonacci

Adding old arrears practice files

Updated gitignore to ignore .vscode directory

Added gitignore file

Added codes for basic binary search applications

Stream tokenisation using stringstream and strtok

Learned how to find all the occurance of smaller string in a bigger one.

Added Code to use getline function to take input

Daily code challenge Simplify Path

Implemented MergeSort

Updated .gitignore for extensionless files

Initial commit