vectors and C++11

What the heck I thought I could use the new for statement like this. In my book it says it works but it fails for me. What am I missing?

Code:

---

#include <iostream>
#include <vector>
#include <stdexcept>
#include <iomanip>

using namespace std;

void inputVector(const vector<int> &array)
{
    for( int &item : items) //ERROR undeclared "items"
        cin>>item;
   
}
void outputVector(vector<int> &array)
{
    for(int item : items)  //ERROR undeclared "items"
        cout<< item <<" ";
    cout << endl;

}
int main(int argc, const char * argv[])
{

    vector<int> integers1(4);
    vector<int> integer2(5);
   
    cout<<"Enter some numbers"<<integers1.size() <<endl;
   
    inputVector(integers1);
    inputVector(integer2);
   
    outputVector(integers1);
    outputVector(integer2);
   
   
    return 0;
}

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Isn't the error message clear enough? There is no variable named "items" (there is only one named "array"). You have also another error in your code, regarding vectors' const-qualifiers.

maybe it is because your vector is called array and not items?

and how do you plan to modify const vector?

Ok i moved the const to the output, I knew better then that.

To be honest this code is completely honest this code is pretty much plagiarized. I like to take the code from my textbook and play with it. I get a better understanding of what its really doing. Thats why I am confused. I know I didn't declare items anywhere but my book didn't either. I'll go back and stare at it some more.

Works... Not sure why the textbook said otherwise. Thanks for the help!!!

Code:

---

#include <iostream>
#include <vector>
#include <stdexcept>
#include <iomanip>

using namespace std;

void inputVector(vector<int> &array)
{
    for( int &item : array)
        cin>>item;
   
}
void outputVector(const vector<int> &array)
{
    for(int item : array)
        cout<< item <<" ";
    cout << endl;

}
int main(int argc, const char * argv[])
{

    vector<int> integers1(4);
    vector<int> integer2(5);
   
    cout<<"Enter some numbers "<<integers1.size() <<endl;
   
    inputVector(integers1);
    inputVector(integer2);
   
    outputVector(integers1);
    outputVector(integer2);
   
   
    return 0;
}

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A non-vector comment.
Couldn't the message for getting the user to input be something like this:

Code:

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cout << "Enter " << integers1.size() << " numbers" << endl;

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Note also that you could use '\n' instead of std::endl. (std::endl vs “\n”)