Stack
stack is empty
bottom
←top
A stack is a pile of plates. You add to the top, and you take from the top. The bottom plate is trapped until everything above it is gone.
step 01/11
- comparing
- moving
- found it
stack is empty
A stack is a pile of plates. You add to the top, and you take from the top. The bottom plate is trapped until everything above it is gone.
step 01/11