add code of search element in rotated and sorted array

Author: msdeep14

Diff for: a.out

@@ -0,0 +1,36 @@
+// https://www.geeksforgeeks.org/search-an-element-in-a-sorted-and-pivoted-array/
+
+#include <bits/stdc++.h>
+using namespace std;
+
+int searchElement(int arr[], int n, int x){
+	int l = 0;
+	int r = n-1;
+	while(l <= r){
+		int mid = l + (r-l)/2;
+		if(x == arr[mid])
+			return mid;
+		else if(arr[l] <= arr[mid]){
+			if(x >= arr[l] && x <= arr[mid])
+				r = mid-1;
+			else 
+				l = mid+1;
+		}
+		else{
+			if(x >= arr[mid] && x <= arr[r])
+				l = mid+1;
+			else 
+				r = mid-1;
+		}
+	}
+	return -1;
+}
+
+int main(){
+	int arr[] = {4,5,6,7,0,1,2};
+	int n = sizeof(arr)/sizeof(arr[0]);
+	int x = 4;
+	int res = searchElement(arr,n,x);
+	cout << "element at index :: " << res << endl;
+	return 0;
+}