mirror of
https://github.com/krahets/hello-algo.git
synced 2024-12-27 09:26:28 +08:00
39 lines
824 B
Swift
39 lines
824 B
Swift
|
/**
|
|||
|
* File: max_capacity.swift
|
|||
|
* Created Time: 2023-09-03
|
|||
|
* Author: nuomi1 (nuomi1@qq.com)
|
|||
|
*/
|
|||
|
|
|||
|
/* 最大容量:贪心 */
|
|||
|
func maxCapacity(ht: [Int]) -> Int {
|
|||
|
// 初始化 i, j 分列数组两端
|
|||
|
var i = 0, j = ht.count - 1
|
|||
|
// 初始最大容量为 0
|
|||
|
var res = 0
|
|||
|
// 循环贪心选择,直至两板相遇
|
|||
|
while i < j {
|
|||
|
// 更新最大容量
|
|||
|
let cap = min(ht[i], ht[j]) * (j - i)
|
|||
|
res = max(res, cap)
|
|||
|
// 向内移动短板
|
|||
|
if ht[i] < ht[j] {
|
|||
|
i += 1
|
|||
|
} else {
|
|||
|
j -= 1
|
|||
|
}
|
|||
|
}
|
|||
|
return res
|
|||
|
}
|
|||
|
|
|||
|
@main
|
|||
|
enum MaxCapacity {
|
|||
|
/* Driver Code */
|
|||
|
static func main() {
|
|||
|
let ht = [3, 8, 5, 2, 7, 7, 3, 4]
|
|||
|
|
|||
|
// 贪心算法
|
|||
|
let res = maxCapacity(ht: ht)
|
|||
|
print("最大容量为 \(res)")
|
|||
|
}
|
|||
|
}
|