Competitive codes solutions

[champgourav007]

Description

• I have provided the solution of the codefroces problem B_Borze.

Prooof

Fixes #(issue_no)

Replace issue_no with the issue number which is fixed in this PR

Type of change

Checklist:

• [ x] My code follows the style guidelines(Clean Code) of this project
• [ x] I have performed a self-review of my own code
• [ x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have created a helpful and easy to understand README.md
• [ ] I have made corresponding changes to the documentation
• [x ] My changes generate no new warnings
• [x ] I have added tests/screenshots(if any) that prove my fix is effective or that my feature works