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/* timer.c - simple example of timing a piece of code */

/* c89 timer.c -o timer */

#include <stdio.h>
#include <sys/types.h>
#include <time.h>

{ int i;
  time_t t1,t2;

  (void) time(&t1);
   for (i=1;i<=300;++i) printf("%d %d %d\n",i, i*i, i*i*i);
   (void) time(&t2);
   printf("\nTime to do 300 squares and cubes= %d seconds\n", (int) t2-t1);
Fri May 20 13:40:49 BST 1994