Internal Solution | CSES/Tasks & Deadlines

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.

cpinitiative / usaco-guide