ex3p3.c

#include <stdio.h>
#include <time.h>

#define N 15000
int a[N][N];

void main() {
  int i,j;
  clock_t t1,t2;


  /* Begin measurement */
  t1 = clock();
  for (i=0;i<N;i++)
    for (j=0;j<N;j++)
      a[i][j]=(i+j)/2;
  t2 = clock();
  /* End measurement */



  for (i=0;i<N;i+=10000) for (j=0;j<N;j+=10000) printf("%d ",a[i][j]);
  printf("\n");

  double tcpu = (double) (t2 -t1) / CLOCKS_PER_SEC;
  printf("Time: %f\n", tcpu);


}