Buildings with an Ocean View

class Solution:
    def findBuildings(self, heights: List[int]) -> List[int]:

        last = len(heights) - 1
        heights.append(-1)
        result = [-1]

        while last >= 0:
            if heights[last] > heights[result[-1]]:
                result.append(last)
            last -= 1

        return result[::-1][:-1]