N-queens problem solved

[kaushalendra-pandey]

Description

Write here what you have changed

Issue No.- #

Type issue number after hash(#)

Checklist

• [ ] Yes, this task assigned to me.
• [ # ] My code follows the style guidelines(Clean Code) of this project
• [ #] I have performed a self-review of my own code
• [ #] My Filename is in camelCase format
• [# ] I have added Problem statement, Problem link in file.

[aayushi-droid]

missing issue number