DATARUN
⭐ 0
LEVEL 1/5
DSA / DATA STRUCTURES

RUN THE DATA.
BEAT THE CLOCK.

You're a data runner. Move through a tiny obstacle course, then prove you understood what just happened. Every level teaches one DSA idea through play.

01 — PLAYMake the right move in a 20-second mini challenge.
02 — UNLOCKClear the run to unlock a DSA decision.
03 — LEARNAnswer one question and get the exact reason why.
DATA STRUCTURES
Queue Rush
RUN SCORE
Play well. Learn fast.
0 pts
🏁

RUN COMPLETE.

WHAT YOU ACTUALLY LEARNED

• Queue = first in, first out (FIFO)
• Stack = last in, first out (LIFO)
• Binary search works by repeatedly cutting the search space in half
• A priority queue serves the highest-priority item first
• Big-O describes how an algorithm's work grows as input grows