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Count Hills and Valleys in an Array

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	`1`	`+Link: https://leetcode.com/problems/count-hills-and-valleys-in-an-array/`
	`2`	`+Language: C#`
	`3`	`+`
	`4`	`+`
	`5`	`+`
	`6`	`+`
	`7`	`+`
	`8`	`+`
	`9`	`+`
	`10`	`+public class Solution {`
	`11`	`+ public int CountHillValley(int[] nums)`
	`12`	`+ {`
	`13`	`+ int counter = 0;`
	`14`	`+ int temp = 0;`
	`15`	`+ List<int> list = new List<int>();`
	`16`	`+`
	`17`	`+ for (int i = 0; i < nums.Length; i++)`
	`18`	`+ {`
	`19`	`+ if (nums[i] != temp)`
	`20`	`+ {`
	`21`	`+ list.Add(nums[i]);`
	`22`	`+ temp = nums[i];`
	`23`	`+ }`
	`24`	`+ }`
	`25`	`+`
	`26`	`+ for (int i = 1; i < list.Count - 1; i++)`
	`27`	`+ {`
	`28`	`+ if ((list[i] > list[i - 1] && list[i] > list[i + 1]) \|\|`
	`29`	`+ (list[i] < list[i - 1] && list[i] < list[i + 1]))`
	`30`	`+ counter++;`
	`31`	`+ }`
	`32`	`+`
	`33`	`+ return counter;`
	`34`	`+ }`
	`35`	`+}`

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