11. Container With Most Water

    int maxArea(vector<int>& height) {
        int i=0,j=height.size()-1;
        int ans=0;
        while(i<j){
            int mins=min(height[i],height[j]);
            ans=max(ans,(j-i)*mins);
            while(height[i]<=mins && i<j)
                i++;
            while(height[j]<=mins && i<j)
                j--;
        }
        return ans;
    }