Leetcode 11. Container With Most Water

 public class Solution {  
   public int MaxArea(int[] height) {  
     if (height == null)  
     {  
       return 0;  
     }  
     int start = 0;  
     int end = height.Length - 1;  
     int max = 0;  
     while (start < end)  
     {  
       int current = (end - start) * Math.Min(height[start], height[end]);  
       max = Math.Max(max, current);  
       if (height[start] < height[end] && end > start + 1)  
       {  
         start++;  
         continue;  
       }  
       if (height[start] > height[end] && end - 1 > start)  
       {  
         end--;  
         continue;  
       }  
       start++;  
       end--;  
     }  
     return max;  
   }  
 }