Title screen

Meridian personnel files

Choose your mentor

Pick a signal on the left to read its teaching profile. Your mentor helps you think through a room — never solves it for you.

Mentor profile

The Archivist

You've seen this shape before.

Methodical and pattern-minded. Draws the line between this problem and one you've already solved.

Difficulty level

▮▮▮▮▮Easy

After a successful run

Up to 4 short questionsYour code has already passed. These are quick questions to check that the solution makes sense to you.

Changing mentor starts a fresh room conversation. Your saved work, progress, and demonstrated understanding remain with you.

This mentor is assigned to your next room.