11. Container With Most Water

C++:

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