mirror of
https://github.com/krahets/hello-algo.git
synced 2024-12-27 00:26:28 +08:00
35 lines
774 B
JavaScript
35 lines
774 B
JavaScript
|
/**
|
|||
|
* File: max_capacity.js
|
|||
|
* Created Time: 2023-09-02
|
|||
|
* Author: Justin (xiefahit@gmail.com)
|
|||
|
*/
|
|||
|
|
|||
|
/* 最大容量:貪婪 */
|
|||
|
function maxCapacity(ht) {
|
|||
|
// 初始化 i, j,使其分列陣列兩端
|
|||
|
let i = 0,
|
|||
|
j = ht.length - 1;
|
|||
|
// 初始最大容量為 0
|
|||
|
let res = 0;
|
|||
|
// 迴圈貪婪選擇,直至兩板相遇
|
|||
|
while (i < j) {
|
|||
|
// 更新最大容量
|
|||
|
const cap = Math.min(ht[i], ht[j]) * (j - i);
|
|||
|
res = Math.max(res, cap);
|
|||
|
// 向內移動短板
|
|||
|
if (ht[i] < ht[j]) {
|
|||
|
i += 1;
|
|||
|
} else {
|
|||
|
j -= 1;
|
|||
|
}
|
|||
|
}
|
|||
|
return res;
|
|||
|
}
|
|||
|
|
|||
|
/* Driver Code */
|
|||
|
const ht = [3, 8, 5, 2, 7, 7, 3, 4];
|
|||
|
|
|||
|
// 貪婪演算法
|
|||
|
const res = maxCapacity(ht);
|
|||
|
console.log(`最大容量為 ${res}`);
|