26 Containers library [containers]

26.3 Sequence containers [sequences]

26.3.11 Class template vector [vector]

26.3.11.2 vector constructors, copy, and assignment [vector.cons]

explicit vector(const Allocator&);

1
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Effects: Constructs an empty vector, using the specified allocator.

2
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Complexity: Constant.

explicit vector(size_type n, const Allocator& = Allocator());

3
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Effects: Constructs a vector with n default-inserted elements using the specified allocator.

4
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Requires: T shall be DefaultInsertable into *this.

5
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Complexity: Linear in n.

vector(size_type n, const T& value, const Allocator& = Allocator());

6
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Effects: Constructs a vector with n copies of value, using the specified allocator.

7
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Requires: T shall be CopyInsertable into *this.

8
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Complexity: Linear in n.

template <class InputIterator> vector(InputIterator first, InputIterator last, const Allocator& = Allocator());

9
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Effects: Constructs a vector equal to the range [first, last), using the specified allocator.

10
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Complexity: Makes only N calls to the copy constructor of T (where N is the distance between first and last) and no reallocations if iterators first and last are of forward, bidirectional, or random access categories. It makes order N calls to the copy constructor of T and order logN reallocations if they are just input iterators.