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hello-algo/codes/swift/chapter_greedy/max_capacity.swift
T
Yudong Jin f68bbb0d59 Update the book based on the revised second edition (#1014)
* Revised the book

* Update the book with the second revised edition

* Revise base on the manuscript of the first edition
2023-12-28 18:06:09 +08:00

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832 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,使其分列数组两端
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)")
}
}