14.cpp

// C++ program to rotate an array by
// d elements
#include <bits/stdc++.h>
using namespace std;

/*Function to left Rotate arr[] of
size n by 1*/
void leftRotatebyOne(int arr[], int n)
{
	int temp = arr[0], i;
	for (i = 0; i < n - 1; i++)
		arr[i] = arr[i + 1];

	arr[n-1] = temp;
}

/*Function to left rotate arr[] of size n by d*/
void leftRotate(int arr[], int d, int n)
{
	for (int i = 0; i < d; i++)
		leftRotatebyOne(arr, n);
}

/* utility function to print an array */
void printArray(int arr[], int n)
{
	for (int i = 0; i < n; i++)
		cout << arr[i] << " ";
}

/* Driver program to test above functions */
int main()
{
	int arr[] = { 1, 2, 3, 4, 5, 6, 7 };
	int n = sizeof(arr) / sizeof(arr[0]);

	// Function calling
	leftRotate(arr, 2, n);
	printArray(arr, n);

	return 0;
}