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给你 n 个非负整数 a1,a2,...,an,每个数代表坐标中的一个点 (i, ai) 。在坐标内画 n 条垂直线,垂直线 i 的两个端点分别为 (i, ai) 和 (i, 0)。找出其中的两条线,使得它们与 x 轴共同构成的容器可以容纳最多的水。 说明:你不能倾斜容器,且 n 的值至少为 2。 图中垂直线代表输入数组 [1,8,6,2,5,4,8,3,7]。在此情况下,容器能够容纳水(表示为蓝色部分)的最大值为 49。 示例: 输入:[1,8,6,2,5,4,8,3,7] 输出:49
双指针法
/** * 双指针法 */ var maxArea = function(height) { let maxArea = 0; //#1 遍历数组 for (let i = 0, j = height.length - 1; i < j;) { //#2 取数 let h1 = height[i]; let h2 = height[j]; //#3 计算面积 let area = (h1 > h2 ? h2 : h1) * (j - i); if (area > maxArea) maxArea = area; //#4 进位 h1 > h2 ? j-- : i++; } return maxArea; };
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题目描述
算法
答案
The text was updated successfully, but these errors were encountered: