From 80b7a8116d821aeae489086a403a6cdfd64d801a Mon Sep 17 00:00:00 2001
From: Alexandre Jesus <adbjesus@gmail.com>
Date: Fri, 16 Sep 2016 01:15:07 +0100
Subject: Add time measure

---
 include/structs.h | 4 ++++
 src/common.c      | 6 +++++-
 src/dfs.c         | 1 +
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/structs.h b/include/structs.h
index cb1bca9..3b5c550 100644
--- a/include/structs.h
+++ b/include/structs.h
@@ -1,5 +1,8 @@
 #ifndef _STRUCTS_H
 #define _STRUCTS_H
+
+#include <time.h>
+
 struct item {
 	double p;
 	double w;
@@ -16,5 +19,6 @@ struct front_item {
 	struct item i;
 	struct front_item * next;
 	struct front_item * prev;
+  clock_t time;
 };
 #endif
diff --git a/src/common.c b/src/common.c
index 92bd467..d6f1eb3 100644
--- a/src/common.c
+++ b/src/common.c
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <math.h>
+#include <time.h>
 #include "structs.h"
 #include "common.h"
 
@@ -47,8 +48,10 @@ void print_data(struct data * d){
 }
 
 void print_front(struct front_item * b){
+  struct front_item * beg = b;
 	while(b!=NULL){
-		printf("%.02f\t%.02f\n",b->i.p,b->i.w);
+    clock_t t = b->time - beg->time;
+		printf("%.02f,\t%.02f,\t%f\n", b->i.p, b->i.w, ((double)t)/CLOCKS_PER_SEC);
 		b = b->next;
 	}
 }
@@ -73,6 +76,7 @@ struct front_item * new_front_item(double p, double w, struct front_item * prev,
 	f->i.w = w;
 	f->next = next;
 	f->prev = prev;
+  f->time = clock();
 
 	return f;
 }
diff --git a/src/dfs.c b/src/dfs.c
index 3f34001..bdf2b7e 100644
--- a/src/dfs.c
+++ b/src/dfs.c
@@ -14,6 +14,7 @@ struct front_item * rec(struct data * d, int i, struct item * it) {
   struct front_item * f1 = rec(d, i+1, it);
   it->p -= d->items[i].p;
   it->w -= d->items[i].w;
+
   // Go right (do not select item)
   struct front_item * f2 = rec(d, i+1, it);
 
-- 
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