Merge pull request #16 from Sam-bhav-20/main

issue resolved of removing duplicates from an array

Author: Nikhil-2002

removingDuplicates/removeDupFromArray.cpp

@@ -0,0 +1,37 @@
+#include <bits/stdc++.h>
+using namespace std;
+#define int long long
+#define MOD 1e9 + 7
+const long long N=10000005;
+
+
+main()
+{
+    //Declare an array size;
+    int n;
+    cout<<"Size of an array: ";
+    cin>>n;
+
+    //declare a set also as inserting into sets as it will remove the duplicates
+
+    //declare an array of size n
+
+    int a[n];
+
+    //unordered set for better time complexity
+    unordered_set<int> sam;
+    cout<<"Elements of an array: ";
+    for(int i=0;i<n;i++)
+    {
+        cin>>a[i];
+        sam.insert(a[i]);
+    }
+    
+    cout<<"Array without duplicates: ";
+
+    for(int it:sam)
+    {
+        cout<<it<<" ";
+    }
+    cout<<endl;
+}