Check ith bit issue400

[Kamini8707]

Issue number if any:-

Fixes #400

✅ Contribution Checklist (make sure all are checked)

• Code file added (.cpp, .java, .py, etc.)
• [X ] Markdown file added with:
  • [X ] Problem statement
  • [X ] Example input/output
  • [X ] Generic logic
  • [X ] Time & space complexity

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📝 Type of Addition (check any one)

• [X ] DSA problem addition
• Fix mistakes in existing codebase
• Add better solutions
• Make docs better

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📊 Last check (make sure all are checked

• [X ] Have you checked that this problem isn't already in the codebase?🔍
• [X ] Did you cross-check that your code/explanation is right?

🏢 Your Organization?

• [X ] GsSOC'25

[github-actions]

Thanks for creating a PR for your Issue! ☺️

We'll review it as soon as possible.
In the meantime, please double-check the file changes and ensure that all commits are accurate.

If there are any unresolved review comments, feel free to resolve them. 🙌🏼

[shivamm-verma]

Unnecessary files and directories. please fix it. @Kamini8707