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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.
合理性解释:当左端线段L小于右端线段R时,我们把L右移,这时舍弃的是L与右端其他线段(R-1, R-2, ...)组成的木桶,这些木桶是没必要判断的,因为这些木桶的容积肯定都没有L和R组成的木桶容积大。
public class Solution { public int maxArea(int[] height) { int len=height.length; if(len<2){ return 0; } int area=0; int l=0; int r=len-1; while(l<r){ if(height[l]<height[r]){ int v=(r-l)*height[l]; if(v>area){ area=v; } l++; } else{ int v=(r-l)*height[r]; if(v>area){ area=v; } r--; } } return area; } }
LeetCode-Container With Most Water
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原文地址:http://www.cnblogs.com/incrediblechangshuo/p/5309408.html