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Leetcode-Container With Most Water

Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, 0). Find two lines, which together with x-axis forms a container, such that the container contains the most water.

Note: You may not slant the container.

Analysis:

 

Solution:

 1 public class Solution { 2     public int maxArea(int[] height) { 3         int max = 0; 4         int head = 0; 5         int end = height.length-1; 6         7         while (head<end){ 8             int left = height[head]; 9             int right = height[end];10             int vol = (end-head)*Math.min(left,right);11             if (vol>max) max = vol;12 13             if (left<=right)14                 while (head<end && left>=height[head]) head++;15             else 16                 while (head< end && right>=height[end]) end--;17         }18         19         return max;   20         21     }22 }

 

Leetcode-Container With Most Water