From 6c620091ec068c31e4ed5e7e480b5abdd2329b0f Mon Sep 17 00:00:00 2001
From: Alexandre Jesus <adbjesus@gmail.com>
Date: Fri, 23 Sep 2016 09:34:49 +0100
Subject: Add random heuristic method

---
 src/main/random_heuristic.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 src/main/random_heuristic.c

(limited to 'src/main')

diff --git a/src/main/random_heuristic.c b/src/main/random_heuristic.c
new file mode 100644
index 0000000..9f3c683
--- /dev/null
+++ b/src/main/random_heuristic.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+#include "common.h"
+#include "structs.h"
+#include "random_heuristic.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_ratio);
+
+  clock_t t = clock();
+  b = random_heuristic(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;
+}
-- 
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