try: return last_extremum_index except UnboundLocalError: return None
Returns: int or None: The index of the last local extremum. If no local extremum is found, returns None. """ # Iterate over the array from the second element to the second last element for i in range(1, len(arr) - 1): if find_max and arr[i] > arr[i-1] and arr[i] > arr[i+1]: # Found a local maximum, update and continue last_extremum_index = i elif not find_max and arr[i] < arr[i-1] and arr[i] < arr[i+1]: # Found a local minimum, update and continue last_extremum_index = i index of ek chalis ki last local
# Example usage: arr = [3, 1, 4, 1, 5, 9, 2, 6] last_max_index = find_last_local_extremum(arr) last_min_index = find_last_local_extremum(arr, find_max=False) find_max (bool): If True, find the last local
Parameters: arr (list): The input array. find_max (bool): If True, find the last local maximum; otherwise, find the last local minimum. find_max (bool): If True