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rotate in cpp Code Example
rotate in cpp 
vector<int> v{1,2,3,4,5,6,7,8,9};

int rot = 2;
//rotate left
rotate(v.begin(), v.begin() + rot, v.end()); //vector: 3 4 5 6 7 8 9 1 2
//rotate right
rotate(v.begin(), v.begin()+v.size()-rot, v.end()); //vector: 8 9 1 2 3 4 5 6 7
rotate in cpp 
#include<iostream>
using namespace std;
void leftRotateByOne(int arr[], int n)
{
	int temp = arr[0];
	for (int i = 0; i < n - 1; i++)
	{
		arr[i] = arr[i + 1];
	}
	arr[n - 1] = temp;
}
void leftRotate(int arr[], int d, int n)
{
	for (int i = 0; i < d; i++)
	{
		leftRotateByOne(arr,n);
	}
}
void print(int arr[],int n)
{
	for (int i = 0; i < n; i++)
	{
		cout << arr[i] << " ";
	}
	cout << endl;
}
void main()
{
	int arr[] = { 1,2,3,4,5,6,7 };
	int n = sizeof(arr) / sizeof(arr[0]);
	// function calling.
	leftRotate(arr, 2, n);
	print(arr, n);
}
Source: codejudge.blogspot.com



Cpp

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
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