@@ -0,0 +1,50 @@
+#include<iostream>
+#include<conio.h>
+#include<stdlib.h>
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int hello()
+{
+vector<int>arr(100);
+int n;
+cin>>n;
+for(int i=0;i<n;i++)
+{
+cin>>arr[i];
+}
+int target;
+cin>>target;
+int low=0,high=n-1;
+while(low<=high)
+{
+int mid=low+(high-low)/2;
+if(arr[mid]==target)return mid;
+if(arr[mid]>=arr[low])
+{
+if(target>=arr[low]&&target<arr[mid])
+high=mid-1;
+else
+low=mid+1;
+}
+else
+{
+if(target>arr[mid]&&target<=arr[high])
+low=mid+1;
+else
+high=mid-1;
+}
+}
+
+}
+
+main()
+{
+cout<<hello();
+
+
+return 0;
+}
+
+