mirror of
https://github.com/krahets/hello-algo.git
synced 2025-11-01 03:24:24 +08:00
954c45864b
* docs: add Japanese documents (`ja/docs`) * docs: add Japanese documents (`ja/codes`) * docs: add Japanese documents * Remove pythontutor blocks in ja/ * Add an empty at the end of each markdown file. * Add the missing figures (use the English version temporarily). * Add index.md for Japanese version. * Add index.html for Japanese version. * Add missing index.assets * Fix backtracking_algorithm.md for Japanese version. * Add avatar_eltociear.jpg. Fix image links on the Japanese landing page. * Add the Japanese banner. --------- Co-authored-by: krahets <krahets@163.com>
38 lines
1.0 KiB
Java
38 lines
1.0 KiB
Java
/**
|
|
* File: max_capacity.java
|
|
* Created Time: 2023-07-21
|
|
* Author: krahets (krahets@163.com)
|
|
*/
|
|
|
|
package chapter_greedy;
|
|
|
|
public class max_capacity {
|
|
/* 最大容量：貪欲法 */
|
|
static int maxCapacity(int[] ht) {
|
|
// i、j を初期化し、配列の両端で分割させる
|
|
int i = 0, j = ht.length - 1;
|
|
// 初期最大容量は 0
|
|
int res = 0;
|
|
// 2つの板が出会うまで貪欲選択をループ
|
|
while (i < j) {
|
|
// 最大容量を更新
|
|
int cap = Math.min(ht[i], ht[j]) * (j - i);
|
|
res = Math.max(res, cap);
|
|
// より短い板を内側に移動
|
|
if (ht[i] < ht[j]) {
|
|
i++;
|
|
} else {
|
|
j--;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
int[] ht = { 3, 8, 5, 2, 7, 7, 3, 4 };
|
|
|
|
// 貪欲アルゴリズム
|
|
int res = maxCapacity(ht);
|
|
System.out.println("最大容量は " + res + " です");
|
|
}
|
|
} |