2026/9/30 9:35:06
2026.9.28
84 柱状图中最大的矩形class Solution:def largestRectangleArea(self, heights: list[int]) -> int:nlen(heights)left[-1]*nright[n]*nst[]for i,h in enumerate(heights):while st and h<heights[st[-1]]:st.pop()if st:left[i]st[-1]st.append(i)st.clear()for i in …