Leetcode solutions Updation to the repository

[SOHUM24]

Update The repository with a let-code solutions

[ User also Need to solve and have let-code solutions for DSA CPP queestions. ]
[ To Improve the Grip Over the DSA I will provide With the solutions I am able to provide ]

Questions on Leet code I will Provide

[ I will Provide Solutions of the questions 1-500 ]
[ Will keep on regulary uploading pull requests on new questions every week ]

Sources

[ I will be uploading my solutions as well as open source solutions on the repository ]
[ Will Upload letcode.com solutions regularly ]

Looking for for you to approve this change so i can create a pull request and you verify the changes for the good of the learners.