knapSack recursice

loiane · loiane · commit fd0f1d3b9fbd · 2016-03-26T15:41:23.000-03:00
diff --git a/chapter11/06-KnapSackProblemRecursive.html b/chapter11/06-KnapSackProblemRecursive.html
@@ -5,6 +5,6 @@
     <title></title>
 </head>
 <body>
-
+<script src="06-KnapSackProblemRecursive.js"></script>
 </body>
 </html>
diff --git a/chapter11/06-KnapSackProblemRecursive.js b/chapter11/06-KnapSackProblemRecursive.js
@@ -0,0 +1,22 @@
+function knapSack(capacity, weights, values, n) {
+
+    if (n == 0 || capacity == 0){
+        return 0;
+    }
+
+    if (weights[n-1] > capacity){
+        return knapSack(capacity, weights, values, n-1);
+
+    } else {
+        var a = values[n-1] + knapSack(capacity-weights[n-1], weights, values, n-1),
+            b = knapSack(capacity, weights, values, n-1);
+        return (a > b) ? a : b;
+    }
+}
+
+var values = [3,4,5],
+    weights = [2,3,4],
+    capacity = 5,
+    n = values.length;
+
+console.log(knapSack(capacity, weights, values, n));
