Project Euler main

#include <iostream>
#include <ctime>
#include "problem12.h"

using namespace std;

int main()
{
    clock_t begin = clock();
    run();
    clock_t end = clock();
    double elapsed_secs = double(end-begin) / CLOCKS_PER_SEC;
    cout << endl << "ELAPSED TIME: " << elapsed_secs << " s." << endl;
    return 0;
}