Addd 2 more Question in Arrays

Author: ASHUTOSH-KUMAR-RAO

.vscode/settings.json

@@ -20,6 +20,7 @@
   },
   "peacock.color": "#ff3d00",
   "files.associations": {
-    "iostream": "cpp"
+    "iostream": "cpp",
+    "algorithm": "cpp"
   }
 }

Arrays/Unique-Element.cpp

@@ -0,0 +1,29 @@
+
+// Find Uniqe Element in Array :-
+
+#include <iostream>
+
+using namespace std;
+
+int uniqueElement(int arr[], int size)
+{
+
+    int unique = 0;
+
+    for (int i = 0; i < size; i++)
+    {
+        unique = unique ^ arr[i]; // Jaab bhi hum XOR operator use krte hai to Same Value ko 0 kaar deta hai ,kyuki XOR operator ki property yehi hoti haiw
+    }
+    return unique;
+}
+
+int main()
+{
+    int arr[] = {4, 6, 6, 7, 4};
+    int size = 5;
+
+    int result = uniqueElement(arr, size);
+    cout << "The uniqe Element is : " << result << endl;
+
+    return 0;
+}

Arrays/Unique-Element.exe

@@ -0,0 +1,48 @@
+
+// ! Alternate and Swap Question :-
+
+#include <iostream>
+
+using namespace std;
+
+void swapAlternate(int arr[], int size)
+{
+    // for (int i = 0; i < size - 1; i+=2) //! Simply Swap and Alternate
+    for (int i = 0; i < size - 1; i += 3) // todo Wap for Swapping the every 3rd element
+    {
+
+        int temp = arr[i];
+        arr[i] = arr[i + 1];
+        arr[i + 1] = temp;
+    }
+}
+
+void printArray(int arr[], int size)
+{
+    for (int i = 0; i < size; i++)
+    {
+
+        cout << arr[i] << " ";
+    }
+
+    cout << endl;
+}
+
+int main()
+{
+    int arr[] = {1, 2, 3, 4, 5, 6};
+    int size = 6;
+
+    cout << "Printing the Arrya Before Swap and alternate ";
+
+    printArray(arr, size);
+
+    swapAlternate(arr, size);
+
+    cout << "Printing The Array After Swap and Alternate ";
+    printArray(arr, size);
+
+    swapAlternate(arr, size);
+
+    return 0;
+}