int largestRectangleArea(vector
{
int result = 0;
stack
heights.insert(heights.begin(), 0);
heights.push_back(0);
st.push(0);
for (int i = 1; i < heights.size(); i++)
{
if (heights[i] > heights[st.top()])
{
st.push(i);
}
else if (heights[i] == heights[st.top()])
{
st.pop();
st.push(i);
}
else
{
while (!st.empty() && heights[i] < heights[st.top()])
{
int mid = st.top();
st.pop();
if (st.empty() != true)
{
int left = st.top();
int right = i;
int w = right - left - 1;
int h = heights[mid];
result = max(result, w * h);
}
}
st.push(i);
}
}
return result;
}
标签:int,top,LC84,heights,柱状图,result,st,push,Day53 From: https://www.cnblogs.com/Mingzijiang/p/17279694.html