Welcome to Biweekly Contest 54! Feel free to share and post your contest experience here!

You can also view the rankings for the contest here.

Links to the individual problems are included below:

Check if All the Integers in a Range Are Covered (3 points)

Find the Student that Will Replace the Chalk (4 points)

Largest Magic Square (5 points)

Minimum Cost to Change the Final Value of Expression (6 points)