#include <stdio.h>
#include <math.h>
#include <time.h>
main()
{
int i,j;
float k,l;
double cpu_time,actual_time,IO_INT_time;
double x,y;
clock_t start,end;
time_t s,e;
start=clock();
i=0;
time(&s);
for(i=0;i<=1500;i++)
{
for(j=0;j<=1500;j++)
{
k=(float)(i+j)/(j+1);
l=(float)k-1;
printf("%f,%f\n",k,l);
}}
end=clock();
time(&e);
actual_time=(double)(e-s);
cpu_time=((double)(end - start)) / CLOCKS_PER_SEC;
IO_INT_time=((double)(actual_time - cpu_time));
printf("\nTotal Time Elapsed = %4.2f sec.; CPU Time = %4.2f sec.; I/O Time = %4.2f sec.\n",actual_time,cpu_time,IO_INT_time);
printf("\n I/O share = %4.2f \%; CPU share = %4.2f \% \n",IO_INT_time*100/actual_time,cpu_time*100/actual_time);
}