Added C++ solution for Array Rotation using Reversal Algorithm

Beginner Level 📁/Array Rotation/solution.cpp

@@ -0,0 +1,53 @@
+#include <iostream>
+using namespace std;
+
+// Function to reverse an array from index start to end
+void reverseArray(int arr[], int start, int end) {
+    while (start < end) {
+        swap(arr[start], arr[end]);
+        start++;
+        end--;
+    }
+}
+
+// Function to rotate the array to the left by d positions using the reversal algorithm
+void rotateArray(int arr[], int d, int n) {
+    // Step 1: Reverse the first 'd' elements
+    reverseArray(arr, 0, d-1);
+
+    // Step 2: Reverse the remaining 'n-d' elements
+    reverseArray(arr, d, n-1);
+
+    // Step 3: Reverse the entire array
+    reverseArray(arr, 0, n-1);
+}
+
+// Utility function to print the array
+void printArray(int arr[], int n) {
+    for (int i = 0; i < n; i++)
+        cout << arr[i] << " ";
+    cout << endl;
+}
+
+int main() {
+    int n, d;
+    cout << "Enter the size of the array: ";
+    cin >> n;
+
+    int arr[n];
+    cout << "Enter array elements: ";
+    for (int i = 0; i < n; i++)
+        cin >> arr[i];
+
+    cout << "Enter the number of positions to rotate: ";
+    cin >> d;
+
+    // Rotate the array by 'd' positions
+    rotateArray(arr, d, n);
+
+    // Print the rotated array
+    cout << "Rotated array: ";
+    printArray(arr, n);
+
+    return 0;
+}

Beginner Level 📁/data.json

@@ -141,6 +141,9 @@
     "name": "Ramanpreet Kaur",
     "githubUsername": "1998ramanpreet"
   },
-
+  {
+    "name": "Sivendra B",
+    "githubUsername": "Astordnomer"
+  },
 ]