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C++ vector size() function

❮ Vector Functions

Example

Find out the size of a vector:

vector<string> cars = {"Volvo", "BMW", "Ford", "Mazda"};
cout << cars.size();
Try it Yourself »

Definition and Usage

The size() function returns the number of elements in a vector.

Syntax

vector.size();

Parameter Values

None.

Technical Details

Returns: The number of elements in a vector.

Related Pages

Read more about vectors in our Vector Tutorial.

❮ Vector Functions

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