// The Interesting Lab
One round a day. Keep the streak.
Type the daily snippet as fast and clean as you can.
Medium · +120 XP
Draw one path from 1 to the end that fills every square.
Varies daily · +80 XP
Predict what this code prints. Two tries — first counts double.
Find the real defect. Two tries — first counts double.
Hard · +150 XP
Rank the operations by runtime — fastest to slowest.
Medium · +130 XP
Assemble the SQL that turns these rows into that table.
Crown every row, column and color — no two crowns touching.
Medium · +80 XP
Guess the five-letter developer term in six tries.
Medium · +100 XP
