Rotate Array

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Rotate an array of n elements to the right by k steps.

For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,4].

#include<iostream>
using namespace std;

//转置思想
void Reverse(int *&nums, int first, int end)
{
	for (; first < end; first++,end--){
		int temp    = nums[first];
		nums[first] = nums[end];
		nums[end]   = temp;
	}
}

void rotate(int nums[], int n, int k) {
	//k = k%n;//左旋转
	k = n - (k%n);//右旋转
	Reverse(nums, 0, k - 1);
	Reverse(nums, k, n - 1);
	Reverse(nums, 0, n - 1);
}

Rotate Array

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原文地址：http://blog.csdn.net/li_chihang/article/details/44015141