Created array_rotation.cpp

CPP/array_rotation.cpp

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+/*
+ Problem Statement : Given an array, its lenght and k, right rotate the
+                     array by k units and print the resultant array
+*/
+
+#include<bits/stdc++.h>
+using namespace std;
+
+// Function to rotate the array
+
+void rotate(int arr[], int n, int k) {
+    k %= n;
+    for (int i = 0; i < n; i++) {
+        if (i < k) {
+            cout << arr[n + i - k] << " ";
+        }
+        else {
+            cout << (arr[i - k]) << " ";
+        }
+    }
+    cout << "\n";
+}
+
+// Main function
+
+int main() {
+
+    int n, k;
+    cout << "Enter the size of the array : " << "\n";
+    cin >> n;
+    int arr[n];
+    cout << "Enter the array elements : " << "\n";
+    for (int i = 0; i < n; i++) cin >> arr[i];
+    cout << "Enter the degree of rotation : " << "\n";
+    cin >> k;
+    cout << "The resultant array after rotation is : ";
+    rotate(arr, n, k);
+
+    return 0;
+}