#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include "common.h"
#include "structs.h"
#include "dfs.h"

int main(int argc, char * argv[]){
  struct data * d;
  struct front_item * b;

  if(argc!=2){
    printf("Wrong number of arguments!\n");
    printf("Example usage: %s data_file\n",argv[0]);
    return 0;
  }

  d = input(argv[1]);

  /* srand() and qsort data  */
  srand(time(NULL));
  qsort(d->items, d->N, sizeof(struct item), cmp_items_random);

  clock_t t = clock();
  b = dfs(d);

  t = clock() - t;
  printf("%f,%d\n",((float)t)/CLOCKS_PER_SEC,len_front(b));

  print_front(b);

  free_front(b);
  free_data(d);

  return 0;
}