C / C++ / MFC

#include <stdlib.h>
#include <iostream>
#include <time.h>

using namespace std;

/*
 * 
 */
int main(int argc, char** argv) {
    
    time_t start;
    time_t end;
    double timeDifference;
    int a = 1500;
    int b = 23;
    int integerDivision;
    float c = 1500.0000;
    float d = 23.0000;
    float floatDivision;
    
    cout <<"Beginning divisions...";
    
    time (&start);
    for(int i = 0; i < 100000; ++i)
    {
        integerDivision = a/b;
    }
    time (&end);
    
 timeDifference = difftime(end, start);
    
    cout << "The time to divide 100,000 integers is: " << timeDifference << endl;
     
    return (EXIT_SUCCESS);
}
</time.h></iostream></stdlib.h>

//////////////////     n!/(n-k)!(k!)   ///////////////
k= 2;
n=3;
y=0;
i=n-k;
Total = 0;
for (y=0; y<(n-i);y++)
{
    for (x=y; x<(i+k);x++)
    {
        Total++;
    }
    i--;
}