Add Project Euler problem 800 solution 1

[MaximSmolskiy]

Describe your change:

Add Project Euler problem 800 solution 1:

• Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Documentation change?

Checklist:

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized.
• I know that pull requests will not be merged if they fail the automated tests.
• This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• All new Python files are placed inside an existing directory.
• All filenames are in all lowercase characters with no spaces or dashes.
• All functions and variable names follow Python naming conventions.
• All function parameters and return values are annotated with Python type hints.
• All functions have doctests that pass the automated testing.
• All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
• If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

[MaximSmolskiy]

@dhruvmanila Can you please update scripts/project_euler_answers.json file with answers for new problems?

[dhruvmanila]

@dhruvmanila Can you please update scripts/project_euler_answers.json file with answers for new problems?

#8593

[dhruvmanila]

@MaximSmolskiy You'll have to rebase the PR to the latest master.

[MaximSmolskiy]

@MaximSmolskiy You'll have to rebase the PR to the latest master.

@dhruvmanila Done