Update usaco-737.mdx

[lems9520138]

Place an "x" in the corresponding checkbox if it is done or does not apply to this pull request.

• [x ] I have tested my code.
• [x ] I have added my solution according to the steps here.
• [ x] I have followed the code conventions mentioned here.
  • I understand that if it is clear that I have not attempted to follow these conventions, my PR will be closed.
  • If changes are requested, I will re-request a review after addressing them.
• [x ] I have linked this PR to any issues that it closes.

[lems9520138]

i said colors a BIT to much so idk if that got confusing

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. Please address the requested changes and re-request reviews. Thank you for your contribution!

[eysbutno]

mostly good, just some writing stuff

[pleth9]

forgot to approve earlier