Find Peak Element?

int FindPeakElement(int[] nums)

int left = 0, right = nums.Length - 1;

while (left < right)

int mid = (left + right) / 2;

if (nums[mid] > nums[mid + 1])

right = mid;

else

left = mid + 1;

return left;

Explanation:

Binary search comparing mid element with right neighbor to find peak.