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41 lines
917 B
Kotlin
41 lines
917 B
Kotlin
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/**
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* File: max_capacity.kt
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* Created Time: 2024-01-25
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* Author: curtishd (1023632660@qq.com)
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*/
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package chapter_greedy
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import kotlin.math.max
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import kotlin.math.min
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/* 最大容量:貪婪 */
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fun maxCapacity(ht: IntArray): Int {
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// 初始化 i, j,使其分列陣列兩端
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var i = 0
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var j = ht.size - 1
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// 初始最大容量為 0
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var res = 0
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// 迴圈貪婪選擇,直至兩板相遇
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while (i < j) {
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// 更新最大容量
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val cap = (min(ht[i].toDouble(), ht[j].toDouble()) * (j - i)).toInt()
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res = max(res.toDouble(), cap.toDouble()).toInt()
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// 向內移動短板
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if (ht[i] < ht[j]) {
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i++
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} else {
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j--
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}
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}
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return res
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}
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/* Driver Code */
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fun main() {
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val ht = intArrayOf(3, 8, 5, 2, 7, 7, 3, 4)
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// 貪婪演算法
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val res = maxCapacity(ht)
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println("最大容量為 $res")
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}
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