Create rotating an array.c

rotating an array.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+void rev(int arr[], int start, int end)
+{
+   int temp;
+   while (start < end)
+   {
+      temp = arr[start];
+      arr[start] = arr[end];
+      arr[end] = temp;
+      start++;
+      end--;
+   }
+}
+int main()
+{
+   int arr[] = { 1, 2, 3, 4, 5, };
+   int n = 5;
+   int d = 2;
+   int i;
+   printf("The initial array is :\n");
+   for ( i = 0; i < n; i++)
+      printf("%d ", arr[i]);
+   rev(arr, 0, d - 1);
+   rev(arr, d, n - 1);
+   rev(arr, 0, n - 1);
+   printf("\nThe left reversed array by %d elements is:\n",d);
+   for ( i = 0; i < n; i++)
+      printf("%d ", arr[i]);
+   return 0;
+}
+//output
+The initial array is :
+1 2 3 4 5
+The left reversed array by 2 elements is:
+3 4 5 1 2