Find Peak Element

class Solution {public:    int findPeakElement(vector<int>& nums)     {        int low=0;        int high=nums.size()-1;        while(low<high)        {            int mid=low+(high-low)/2;            if(nums[mid]>nums[mid+1])                high=mid;            else                low=mid+1;        }                return low;    }};