diff --git a/Standard Template Library/Removing_Duplicate_Using_Set.cpp b/Standard Template Library/Removing_Duplicate_Using_Set.cpp
new file mode 100644
index 0000000..aa423fc
--- /dev/null
+++ b/Standard Template Library/Removing_Duplicate_Using_Set.cpp	
@@ -0,0 +1,12 @@
+//https://practice.geeksforgeeks.org/problems/remove-duplicate-elements-from-sorted-array/1/?track=ppc-arrays&batchId=221
+
+//Given a sorted array A of size N. The function remove_duplicate takes two arguments . The first argument is the sorted array A[ ] and the second argument is 'N' the size of the array and returns the size of the new converted array A[ ] with no duplicate element.
+
+//solution
+int remove_duplicate(int A[],int N)
+{
+ set<int> v(A, A+N);
+ copy(v.begin(), v.end(), A);
+
+return v.size();
+}
\ No newline at end of file