Create UniquePermutation.cpp

UniquePermutation.cpp

@@ -0,0 +1,48 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+
+ // } Driver Code Ends
+//User function Template for C++
+
+class Solution {
+  public:
+    vector<vector<int>> uniquePerms(vector<int> arr ,int n) {
+        // code here
+        vector<vector<int>>ans;
+        sort(arr.begin(),arr.end());
+          do 
+          {
+        ans.push_back(arr);
+        } while (next_permutation(arr.begin(),arr.end()));
+        return ans;
+    }
+};
+
+
+
+int main() {
+    int t;
+    cin >> t;
+    while (t--) {
+        int n;
+
+        cin>>n;
+        vector<int> arr(n);
+
+        for(int i=0 ; i<n ; i++)
+            cin>>arr[i];
+
+        Solution ob;
+        vector<vector<int>> res = ob.uniquePerms(arr,n);
+        for(int i=0; i<res.size(); i++)
+        {
+            for(int j=0; j<n; j++)
+            {
+                cout<<res[i][j]<<" ";
+            }
+            cout<<"\n";
+        }
+    }
+    return 0;
+}