Chapter 7: Problem 39

To store a value in a vector that does not have a starting size, or that is already full, use the ________________ member function.

Short Answer

Expert verified

Answer: The member function is called "push_back".

Step by step solution

Understand the concept of a vector

A vector is a dynamic array that can automatically resize itself when required. It manages the storage space automatically and can expand and contract as needed.

Identify the member function used to store values in a vector

The member function used to store a value in a vector when it does not have a starting size or when it's already full is called "push_back". The push_back function adds a new element at the end of the vector, after its current last element, and then resizes the vector to accommodate the new element.

Describe how to use the push_back function

To use the push_back function, simply call it on the vector object and pass the value to be added as an argument. For example, let "vec" be a vector of integers, and suppose we want to add the integer "x" to it. Then, the code will be: ```cpp vec.push_back(x); ``` With these steps, the answer to the exercise is the "push_back" member function.

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To store a value in a vector that does not have a starting size, or that is already full, use the ________________ member function.

Short Answer

Step by step solution

Understand the concept of a vector

Identify the member function used to store values in a vector

Describe how to use the push_back function

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