盛水最多的容器

class Solution {
public:int maxArea(vector<int>& height) {int l=0,r=height.size()-1;int ans=0;while(l<r){int area=min(height[l],height[r])*(r-l);ans=max(area,ans);if(height[l]<=height[r]){l++;}else{--r;}}return ans;}
};