Create BinaryKnapsack.js

Added the js code for Binary Knapsack or 0/1 Knapsack Problem.

Author: anurag-sharma17

Diff for: Dynamic-Programming/BinaryKnapsack.js

@@ -0,0 +1,30 @@
+function knapSack(W, wt, val, n) {
+    // Create a 2D DP array to store the maximum value for each subproblem
+    let dp = Array.from({ length: n + 1 }, () => Array(W + 1).fill(0));
+
+    // Build table dp[][] in bottom-up manner
+    for (let i = 0; i <= n; i++) {
+        for (let w = 0; w <= W; w++) {
+            if (i === 0 || w === 0) {
+                dp[i][w] = 0;
+            } else if (wt[i - 1] <= w) {
+                dp[i][w] = Math.max(
+                    val[i - 1] + dp[i - 1][w - wt[i - 1]],
+                    dp[i - 1][w]
+                );
+            } else {
+                dp[i][w] = dp[i - 1][w];
+            }
+        }
+    }
+
+    return dp[n][W];
+}
+
+// Driver code
+const val = [60, 100, 120];
+const wt = [10, 20, 30];
+const W = 50;
+const n = val.length;
+
+console.log("Maximum value in Knapsack =", knapSack(W, wt, val, n));