for_each algorithm

Okay, so my homework assignment states, "use the for_each algorithm to print out the contents of a vector of doubles using the display function." Here is what i have, but how do i get it to send a double to display when all i have is a vector of doubles?

Thanks

Code:

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#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

void display (double n);

int main()
{
        vector<double> numbers;
       
        for_each(numbers.begin(), numbers.end(), display(/*what goes here*/));

        return 0;
}

void display (double n)
{
        cout << n << endl;
}

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Nothing goes in there. Its assumed the current value in the for_each statement is the parameter of the function:

Code:

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for_each(numbers.begin(), numbers.end(), display);

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isn't that cute...thank you very much