Deque Complexity of Operations
| Deque Operation |
Runtime Complexity |
| |
Actual |
Requirement |
PopFront(), PopBack(),
Clear()
Front(),
Back()
Empty(),
Size()
bracket operator []
|
Θ(1)
|
O(1)
|
|
PushFront(t), PushBack(t)
|
Amortized Θ(1)
|
Amortized O(1)
|
|
assignment operator =
|
Θ(n), n = Size()
|
O(n), n = Size()
|
Constructors, Destructor
|
Θ(n), n = Size()
|
O(n), n = Size()
|
|
Display(os,ofc)
|
Θ(n), n = Size()
|
|
|
Dump(os)
|
Θ(n), n = Size()
|
|
Note that Θ(1) and O(1) are equivalent
|