Create MetaBinarySearch.java

MetaBinarySearch.java

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+public class MetaBinarySearch {
+
+    // Function to perform Meta Binary Search
+    public static int metaBinarySearch(int[] arr, int target) {
+        int n = arr.length;
+        int left = 0;
+        int right = n - 1;
+
+        // Calculate the number of bits required for the maximum index
+        int maxBits = (int) Math.ceil(Math.log(n) / Math.log(2));
+
+        // Iterate over the bit length
+        for (int i = maxBits - 1; i >= 0; i--) {
+            int mid = left + (1 << i);
+
+            // Check if mid index is within bounds
+            if (mid < n && arr[mid] <= target) {
+                left = mid; // move to the right half if condition is true
+            }
+        }
+
+        // Check if we have found the target
+        if (arr[left] == target) {
+            return left;
+        }
+
+        // If target not found
+        return -1;
+    }
+
+    // Main function to test the Meta Binary Search
+    public static void main(String[] args) {
+        int[] sortedArray = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21};
+        int target = 13;
+
+        int result = metaBinarySearch(sortedArray, target);
+        if (result != -1) {
+            System.out.println("Target element " + target + " found at index: " + result);
+        } else {
+            System.out.println("Target element " + target + " not found in the array.");
+        }
+    }
+}