#include <iostream>
#include <algorithm>

int main()
{
 
    //int i, j;
    int sum = 0;
    const int num = 36;
    int*  myDataX = new int[num];
    int*  myDataY = new int[num];
    float value = 0;
 
 
 
    for (int a = 0; a < num; a++)
    {
        myDataX[a] = a;
        myDataY[a] = a;
    }
 
    for (int i = 0; i < num; i++)
    {
        float x = myDataX[i];
 
        for (int j = 0; j < num; j++)
        {
            float y = myDataY[j];
            value = x + y;
            sum += value;
        }
 
    }
    
    std::cout << "sum: " << sum << std::endl;

    sum = (std::accumulate(myDataX, myDataX + num, 0.f) + std::accumulate(myDataY, myDataY + num, 0.f)) * num;
 
    std::cout << "sum: " << sum << std::endl;
    
    return 0;
}