pr23013.cpp

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////////////////////////////////////////
// File Name: pr23013.cpp
////////////////////////////////////////
#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>

////////////////////////////////////////
// The function to be called by
// for_each().
////////////////////////////////////////
void show_val(int val)
{
    std::cout << val << std::endl;
}

////////////////////////////////////////
// The main() function.
////////////////////////////////////////
int main()
{
    // Create the vector object.
    std::vector<int> intVector1;

    // Populate the vector.
    for (int x=0; x<5; ++x)
        intVector1.push_back(x);

    // Display the contents of the vector.
    std::cout << "Contents of vector1: " << std::endl;
    std::for_each(intVector1.begin(),
        intVector1.end(), show_val);
    std::cout << std::endl;

    // Calculate and display sum.
    int result = std::accumulate(intVector1.begin(),
        intVector1.end(), 5);
    std::cout << "Result = " << result;

    return 0;
}