From e3b2aa77c288edb7ace39c04935297e18f072a6a Mon Sep 17 00:00:00 2001
From: Hiruni Rangana <89925969+HiruniRangana@users.noreply.github.com>
Date: Thu, 21 Oct 2021 22:06:18 +0530
Subject: [PATCH] Added  Binary Search in CPP

---
 CPP/Binary Search.cpp | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 CPP/Binary Search.cpp

diff --git a/CPP/Binary Search.cpp b/CPP/Binary Search.cpp
new file mode 100644
index 0000000..e0ca48c
--- /dev/null
+++ b/CPP/Binary Search.cpp	
@@ -0,0 +1,35 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int binarySearch(int arr[], int l, int r, int x)
+{
+	if (r >= l) {
+		int mid = l + (r - l) / 2;
+
+		if (arr[mid] == x)
+			return mid;
+
+
+		if (arr[mid] > x)
+			return binarySearch(arr, l, mid - 1, x);
+
+		// Else the element can only be present in right subarray
+		return binarySearch(arr, mid + 1, r, x);
+	}
+
+	// We reach here when element is not present in array
+	return -1;
+}
+
+int main(void)
+{
+	int arr[] = { 2, 3, 4, 10, 40 };
+	int x = 10;
+	int n = sizeof(arr) / sizeof(arr[0]);
+	int result = binarySearch(arr, 0, n - 1, x);
+	(result == -1) ? cout << "Element is not present in array"
+				: cout << "Element is present at index " << result;
+	return 0;
+}
+
+// Code by HiruniRangana