Deque
front · served firstback · joins here
- nobody waiting
A deque — 'deck' — is a queue that opens at both ends. You can add or remove at the front or the back, whichever suits you.
step 01/9
- moving
A deque — 'deck' — is a queue that opens at both ends. You can add or remove at the front or the back, whichever suits you.
step 01/9