Answer the following statements true (T) or false (F)

Nonmodifying sequence algorithms do not change the elements in the containers they
1. work on.
The runtime for insertion at any position into a vector is O(1). Explain what ‘runtime
2. is O(1)’ means.
Insertion into an STL list takes O(1) time at any position in the list. What does ‘
3. takes O(1) time’ mean?
4. A failing find() operation on an STL set returns a null pointer value.
STL ranges [first, last) are always ‘half-open’ – from the first element to a
5. designation for one past the last element.

1. True
2. False
3. True
4. False
5. True.