Fix 2D array passed to Arrays.fill()

[ChenOst]

Arrays.fill() accepts single dimensional arrays, so fill one row at a time.

Fixes #2009

Describe your change:

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

References

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.
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[prashantdoshi28]

Hi @ChenOst , can you please check PR #2027 as it contains code change for same issue. Please do needful.

[ChenOst]

Hi @ChenOst , can you please check PR #2027 as it contains code change for same issue. Please do needful.

Hey, I have updated the PR to not fill the matrix,
but seem to fail on Prettier check, any advice?