Mountain Array Leetcode
class Solution:
def peakIndexInMountainArray(self, arr: List[int]) -> int:
start = 0
end = len(arr)-1
while (start < end):
mid = start + (end-start)//2
if (arr[mid]>arr[mid+1]):
end = mid
else: start = mid+1
return start
Prabhu Kiran Konda